Job takeoff
Garage conversion takeoff
Turn a garage into a room: the new wall and window across the door opening, the floor raised and insulated over a damp-proof membrane, the old walls lined and insulated, the ceiling, the boarding and the finishes, with the footing and any lintel listed and never sized.
A takeoff is the trade word for the shopping list a job produces — every material, and how much of each, worked out by its own cited calculator.
- 9Measurements in
- 25Trades out
Choose the build-up
Each layer changes the materials below; the dimensions stay the same.
Calculators behind the other choices:
Calculators behind the other choices:
Compare one layer at these dimensions, with the rest of the build-up held as you have it:
Give the job once
Every figure on the right follows these, in the units you choose.
Been given a quote for this job?
Paste it into the garage conversion quote check: each line is read against these same calculators — what it leaves out, what it adds, and what to ask.
Check the quoteEvery trade, from those dimensions
then change a dimension, and each line shows what moved.
| Trade | Quantity | |
|---|---|---|
Inner leaf blocks, under the windowConcrete CMU Block Counter & Grout Infill CalculatorBlocks for the inside leaf under the window, across the whole opening (the whole wall where it has no window), laid solid with no cell grouted. The working's mortar line is the joint volume only, not an order: the mortar for the blocks is listed as work.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. Change any other figure on the Concrete CMU Block Counter & Grout Infill Calculator | 34 blocks | |
Inner leaf blocks, beside the windowConcrete CMU Block Counter & Grout Infill CalculatorBlocks for the inside leaf either side of the window, from the cill up to the lintel over the old door, counted as one run as wide as the opening less the window.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. Change any other figure on the Concrete CMU Block Counter & Grout Infill Calculator | 17 blocks | |
Facing bricks, under the windowBrick CalculatorBricks for the outside leaf under the window, across the whole opening (the whole wall where it has no window), at the brick and joint the sizes above set. The working gives the bricks' mortar in bags.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. | 212 bricks | |
Facing bricks, beside the windowBrick CalculatorBricks for the outside leaf either side of the window, from the cill to the lintel, toothed into the old piers.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. | 106 bricks | |
Wall ties across the cavityBrick Veneer Wall Tie Density CalculatorTies between the leaves over the new wall's net area, at the calculator's US spacing of one tie to 0.25 m² (2.67 sq ft). A British cavity wall's ties follow a spacing of their own, and extra ties up the sides of the window are in neither figure.
Why this quantity?
Resting on
Change any other figure on the Brick Veneer Wall Tie Density Calculator | 16 ties | |
Weep holes along the baseCavity Wall Weep Hole Spacing CalculatorWeeps along the foot of the outer leaf, above the damp-proof course, at the calculator's opening spacing. A cavity tray over the window turns water out through weeps of its own.
Why this quantity?
Resting on
Change any other figure on the Cavity Wall Weep Hole Spacing Calculator | 5 weep holes | |
Cavity insulation in the new wallFoam Board Insulation CalculatorRigid board over the new wall's net area, fixed to the inner leaf as it rises, at the calculator's opening sheet and cutting allowance. The thickness is the one the energy calculation for the room asks for, which the page does not choose.
Why this quantity?
Resting on
The cutting waste: the calculator's working figure, a trade convention. Change any other figure on the Foam Board Insulation Calculator | 2 sheets (4x8 ft) | |
Flashing tape round the windowWindow Opening Flashing Membrane CalculatorSelf-adhered flashing round the one window, sill, jambs and head, with the calculator's run-past at each corner and its allowances. A window set in a masonry cavity against closers, as a British one is, is sealed to them instead, and the row can be left out.
Why this quantity?
Resting on
The waste allowance: the calculator's working figure, a trade convention. Change any other figure on the Window Opening Flashing Membrane Calculator | 23.1 ft | |
Floor insulation boardFoam Board Insulation CalculatorRigid board over the whole floor, on the membrane, at the calculator's opening sheet and cutting allowance, whether it lies under a screed or is cut between sleepers (battens). The thickness is the energy calculation's.
Why this quantity?
Resting on
The cutting waste: the calculator's working figure, a trade convention. Change any other figure on the Foam Board Insulation Calculator | 7 sheets (4x8 ft) | |
Studs lining the old wallsFraming Stud CalculatorStuds at the calculator's opening centres along the old walls, standing clear of the masonry to take the insulation. Head and sole plates, about twice the length in timber, are not in the count.
Why this quantity?
Resting on
| 22 studs | |
Insulation between the lining studsInsulation Batt CalculatorBatts between the new studs over the lined walls, the length by the room height, at the calculator's opening pack and allowance.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. | 3 packages | |
Insulation between the ceiling joistsInsulation Batt CalculatorBatts over the whole ceiling, between the joists, at the calculator's opening pack. Where a bedroom is over the garage the ceiling is a fire and sound separation first, and its build-up is set for that.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. | 2 packages | |
Sockets (outlets) round the roomOutlet Spacing CalculatorThe fewest outlets the US general rule allows, that no point along a wall is more than 6 ft (1.8 m) from one, treating the room's perimeter as one wall space; each door starts a new space, which can add one. The UK sets no such count, and the sockets are where the room's use puts them.
Why this quantity?
Resting on
| 5 outlets (minimum) | |
Plasterboard (drywall) on the wallsDrywall CalculatorBoard for the four walls, the lined old walls, the new wall's inner leaf and the wall to the house, less the doors and the window at the calculator's opening sizes.
Why this quantity?
Resting on
The waste factor: the calculator's working figure, a trade convention. | 15 sheets (4x8 ft) | |
Plasterboard (drywall) on the ceilingCeiling Plasterboard (Gypsum Board) Sheet CalculatorBoard for the ceiling, the floor area, at the calculator's opening sheet and allowance.
Why this quantity?
Resting on
The waste allowance: the calculator's working figure, a trade convention. Change any other figure on the Ceiling Plasterboard (Gypsum Board) Sheet Calculator | 7 sheets | |
Joint compoundDrywall Joint Compound CalculatorCompound for taping and filling the boarded walls and ceiling, with each door off at 1.95 m² (21 sq ft) and the window at 1.4 m² (15 sq ft).
Why this quantity?
Resting on
The pan and sanding loss: the calculator's working figure, a trade convention. Change any other figure on the Drywall Joint Compound Calculator | 2 x 4.5 gal boxes | |
Mist coat or primer on the wallsPaint CalculatorOne sealing coat over the new walls, less the doors and the window, before the finish: a thinned mist coat on new plaster, a drywall primer on taped board.
Why this quantity?
Resting on
| 1.03 gal | |
Mist coat or primer on the ceilingCeiling Paint CalculatorOne sealing coat over the new ceiling before its finish coats.
Why this quantity?
Resting on
| 0.45 gal | |
Wall paintPaint CalculatorTwo finish coats over the same walls.
Why this quantity?
Resting on
| 2.06 gal | |
Ceiling paintCeiling Paint CalculatorTwo finish coats over the ceiling.
Why this quantity?
Resting on
| 0.9 gal | |
UnderlayLaminate/Vinyl Plank Floor Underlayment Roll CalculatorUnderlay over the raised floor at the calculator's opening roll.
Why this quantity?
Resting on
Change any other figure on the Laminate/Vinyl Plank Floor Underlayment Roll Calculator | 2 rolls | |
Laminate or vinyl plankLVP, Laminate & Engineered Floor CalculatorPacks for the floor at the calculator's opening pack coverage and a simple lay.
Why this quantity?
Resting on
The layout waste: the calculator's working figure, a trade convention. Change any other figure on the LVP, Laminate & Engineered Floor Calculator | 9 packs | |
Threshold stripsFloor Transition Strip CalculatorA strip at each door, where the new floor meets the house's, at the calculator's opening door width. With the floor raised to the house's level it is a finish strip; a step left between the two is a detail for the designer.
Why this quantity?
Resting on
The waste allowance: the calculator's working figure, a trade convention. Change any other figure on the Floor Transition Strip Calculator | 3.15 ft | |
Skirting (baseboard)Baseboard & Trim CalculatorThe room's perimeter less its doorways, in stock lengths with the calculator's cutting allowance, fixed after the floor.
Why this quantity?
Resting on
The cutting waste: the calculator's working figure, a trade convention. | 58.35 linear ft | |
Skip (dumpster) for the strip-out and the footingSkip & Dumpster Size CalculatorSized on an allowance, not a measurement: a layer 150 mm (6 in) deep over the floor, for the old door and what was fixed to the walls, the offcuts, and the spoil from the footing trench, whose size the page never sets.
Why this quantity?
Resting on
Change any other figure on the Skip & Dumpster Size Calculator | 3.28 yd³ | |
Inner leaf blocks, under the windowConcrete CMU Block Counter & Grout Infill CalculatorBlocks for the inside leaf under the window, across the whole opening (the whole wall where it has no window), laid solid with no cell grouted. The working's mortar line is the joint volume only, not an order: the mortar for the blocks is listed as work.
Why this quantity? | 27 blocks | |
Inner leaf blocks, beside the windowConcrete CMU Block Counter & Grout Infill CalculatorBlocks for the inside leaf either side of the window, from the cill up to the lintel over the old door, counted as one run as wide as the opening less the window.
Why this quantity? | 14 blocks | |
Facing bricks, under the windowBrick CalculatorBricks for the outside leaf under the window, across the whole opening (the whole wall where it has no window), at the brick and joint the sizes above set. The working gives the bricks' mortar in bags.
Why this quantity? | 165 bricks | |
Facing bricks, beside the windowBrick CalculatorBricks for the outside leaf either side of the window, from the cill to the lintel, toothed into the old piers.
Why this quantity? | 83 bricks | |
Wall ties across the cavityBrick Veneer Wall Tie Density CalculatorTies between the leaves over the new wall's net area, at the calculator's US spacing of one tie to 0.25 m² (2.67 sq ft). A British cavity wall's ties follow a spacing of their own, and extra ties up the sides of the window are in neither figure.
Why this quantity? | 16 ties | |
Weep holes along the baseCavity Wall Weep Hole Spacing CalculatorWeeps along the foot of the outer leaf, above the damp-proof course, at the calculator's opening spacing. A cavity tray over the window turns water out through weeps of its own.
Why this quantity? | 5 weep holes | |
Cavity insulation in the new wallFoam Board Insulation CalculatorRigid board over the new wall's net area, fixed to the inner leaf as it rises, at the calculator's opening sheet and cutting allowance. The thickness is the one the energy calculation for the room asks for, which the page does not choose.
Why this quantity? | 2 sheets (2400x1200 mm) | |
Flashing tape round the windowWindow Opening Flashing Membrane CalculatorSelf-adhered flashing round the one window, sill, jambs and head, with the calculator's run-past at each corner and its allowances. A window set in a masonry cavity against closers, as a British one is, is sealed to them instead, and the row can be left out.
Why this quantity? | 6.93 m | |
Floor insulation boardFoam Board Insulation CalculatorRigid board over the whole floor, on the membrane, at the calculator's opening sheet and cutting allowance, whether it lies under a screed or is cut between sleepers (battens). The thickness is the energy calculation's.
Why this quantity? | 7 sheets (2400x1200 mm) | |
Studs lining the old wallsFraming Stud CalculatorStuds at the calculator's opening centres along the old walls, standing clear of the masonry to take the insulation. Head and sole plates, about twice the length in timber, are not in the count.
Why this quantity? | 22 studs | |
Insulation between the lining studsInsulation Batt CalculatorBatts between the new studs over the lined walls, the length by the room height, at the calculator's opening pack and allowance.
Why this quantity? | 3 packages | |
Insulation between the ceiling joistsInsulation Batt CalculatorBatts over the whole ceiling, between the joists, at the calculator's opening pack. Where a bedroom is over the garage the ceiling is a fire and sound separation first, and its build-up is set for that.
Why this quantity? | 2 packages | |
Sockets (outlets) round the roomOutlet Spacing CalculatorThe fewest outlets the US general rule allows, that no point along a wall is more than 6 ft (1.8 m) from one, treating the room's perimeter as one wall space; each door starts a new space, which can add one. The UK sets no such count, and the sockets are where the room's use puts them.
Why this quantity? | 5 outlets (minimum) | |
Plasterboard (drywall) on the wallsDrywall CalculatorBoard for the four walls, the lined old walls, the new wall's inner leaf and the wall to the house, less the doors and the window at the calculator's opening sizes.
Why this quantity? | 15 sheets (2400x1200 mm) | |
Plasterboard (drywall) on the ceilingCeiling Plasterboard (Gypsum Board) Sheet CalculatorBoard for the ceiling, the floor area, at the calculator's opening sheet and allowance.
Why this quantity? | 7 sheets | |
Joint compoundDrywall Joint Compound CalculatorCompound for taping and filling the boarded walls and ceiling, with each door off at 1.95 m² (21 sq ft) and the window at 1.4 m² (15 sq ft).
Why this quantity? | 35.75 kg | |
Mist coat or primer on the wallsPaint CalculatorOne sealing coat over the new walls, less the doors and the window, before the finish: a thinned mist coat on new plaster, a drywall primer on taped board.
Why this quantity? | 3.74 L | |
Mist coat or primer on the ceilingCeiling Paint CalculatorOne sealing coat over the new ceiling before its finish coats.
Why this quantity? | 1.65 L | |
Wall paintPaint CalculatorTwo finish coats over the same walls.
Why this quantity? | 7.49 L | |
Ceiling paintCeiling Paint CalculatorTwo finish coats over the ceiling.
Why this quantity? | 3.3 L | |
UnderlayLaminate/Vinyl Plank Floor Underlayment Roll CalculatorUnderlay over the raised floor at the calculator's opening roll.
Why this quantity? | 2 rolls | |
Laminate or vinyl plankLVP, Laminate & Engineered Floor CalculatorPacks for the floor at the calculator's opening pack coverage and a simple lay.
Why this quantity? | 9 packs | |
Threshold stripsFloor Transition Strip CalculatorA strip at each door, where the new floor meets the house's, at the calculator's opening door width. With the floor raised to the house's level it is a finish strip; a step left between the two is a detail for the designer.
Why this quantity? | 0.945 m | |
Skirting (baseboard)Baseboard & Trim CalculatorThe room's perimeter less its doorways, in stock lengths with the calculator's cutting allowance, fixed after the floor.
Why this quantity? | 17.71 m | |
Skip (dumpster) for the strip-out and the footingSkip & Dumpster Size CalculatorSized on an allowance, not a measurement: a layer 150 mm (6 in) deep over the floor, for the old door and what was fixed to the walls, the offcuts, and the spoil from the footing trench, whose size the page never sets.
Why this quantity? | 2.48 m³ |
Estimates, not a quote. Each row gives its base, the allowance on top, the adjusted figure and what to order; change an allowance on the row, or open its reasoning to see every figure it rests on. A trade's own page carries what it does not cover — open the one you are about to order against.
Labour and programme
Person-hours for the rows going in, from trade rules of thumb: a range for each piece of work, never a price.
- Inner leaf blocks, under the window2.9 h (1.9–5.4)
- Inner leaf blocks, beside the window1.4 h (0.9–2.7)
- Facing bricks, under the window7.2 h (4.7–15)
- Facing bricks, beside the window3.6 h (2.3–7.4)
- Cavity insulation in the new wall0.7 h (0.4–2.0)
- Flashing tape round the window4.0 h (1.0–8.0)
- Floor insulation board3.0 h (1.7–8.4)
- Studs lining the old walls4.7 h (2.6–9.4)
- Insulation between the lining studs2.1 h (1.0–4.6)
- Insulation between the ceiling joists1.7 h (0.8–3.7)
- Plasterboard (drywall) on the walls4.8 h (2.7–9.0)
- Plasterboard (drywall) on the ceiling2.2 h (1.3–4.2)
- Joint compound8.8 h (4.9–18)
- Wall paint6.9 h (3.8–15)
- Ceiling paint3.0 h (1.7–6.7)
- Laminate or vinyl plank4.7 h (2.5–9.2)
- Threshold strips0.5 h (0.3–1.0)
- Skirting (baseboard)3.2 h (1.8–7.1)
- Skip (dumpster) for the strip-out and the footing2.5 h (1.3–7.5)
About 68 person-hours in the rows that carry them, between 38 and 144.
Trade by trade
- Mason1 mason + 1 labourer1 day
- Labourer1 labourer1 day
- Glazier2 glaziershalf a day
- Carpenter2 carpentershalf a day
- Drywaller1 drywaller + 1 labourerhalf a day
- Taper1 taper + 1 labourerhalf a day
- Painter1 painter1 day
- Floor layer1 floor layerhalf a day
About 6 days, one trade after another at eight hours a day. Left out: drying and curing, deliveries, inspections, trades overlapping.
6 rows carry no hours of their own
- Wall ties across the cavity: counted with Facing bricks, under the window and Facing bricks, beside the window
- Weep holes along the base: counted with Facing bricks, under the window and Facing bricks, beside the window
- Sockets (outlets) round the room: Electrical work is not rated here: it is work for a registered electrician, and access (open new walls against an occupied house being rewired) changes its time several-fold.
- Mist coat or primer on the walls: counted with Wall paint and Ceiling paint
- Mist coat or primer on the ceiling: counted with Wall paint and Ceiling paint
- Underlay: counted with Laminate or vinyl plank
Labour and programme
Person-hours for the rows going in, from trade rules of thumb: a range for each piece of work, never a price.
- Inner leaf blocks, under the window2.3 h (1.5–4.3)
- Inner leaf blocks, beside the window1.2 h (0.8–2.2)
- Facing bricks, under the window5.6 h (3.6–12)
- Facing bricks, beside the window2.8 h (1.8–5.8)
- Cavity insulation in the new wall0.7 h (0.4–1.9)
- Flashing tape round the window4.0 h (1.0–8.0)
- Floor insulation board3.0 h (1.7–8.3)
- Studs lining the old walls4.7 h (2.5–9.4)
- Insulation between the lining studs2.0 h (1.0–4.5)
- Insulation between the ceiling joists1.7 h (0.8–3.6)
- Plasterboard (drywall) on the walls4.8 h (2.7–9.0)
- Plasterboard (drywall) on the ceiling2.2 h (1.3–4.2)
- Joint compound8.6 h (4.9–17)
- Wall paint6.7 h (3.7–15)
- Ceiling paint3.0 h (1.7–6.6)
- Laminate or vinyl plank4.6 h (2.5–9.1)
- Threshold strips0.5 h (0.3–0.9)
- Skirting (baseboard)3.2 h (1.8–7.1)
- Skip (dumpster) for the strip-out and the footing2.5 h (1.2–7.4)
About 64 person-hours in the rows that carry them, between 35 and 136.
Trade by trade
- Mason1 mason + 1 labourerhalf a day
- Labourer1 labourer1 day
- Glazier2 glaziershalf a day
- Carpenter2 carpentershalf a day
- Drywaller1 drywaller + 1 labourerhalf a day
- Taper1 taper + 1 labourerhalf a day
- Painter1 painter1 day
- Floor layer1 floor layerhalf a day
About 5½ days, one trade after another at eight hours a day. Left out: drying and curing, deliveries, inspections, trades overlapping.
6 rows carry no hours of their own
- Wall ties across the cavity: counted with Facing bricks, under the window and Facing bricks, beside the window
- Weep holes along the base: counted with Facing bricks, under the window and Facing bricks, beside the window
- Sockets (outlets) round the room: Electrical work is not rated here: it is work for a registered electrician, and access (open new walls against an occupied house being rewired) changes its time several-fold.
- Mist coat or primer on the walls: counted with Wall paint and Ceiling paint
- Mist coat or primer on the ceiling: counted with Wall paint and Ceiling paint
- Underlay: counted with Laminate or vinyl plank
Setups you have saved
The build-up, the dimensions and any allowance you changed — kept on this device, and reusable on any job. Your prices are not copied in: they stay in your price book, so a setup never holds a stale one.
How far does a budget go?
At your own prices, with this build-up unchanged.
About this job
Converting a garage is building a small extension inside walls that already stand. The door opening is walled up on a footing of its own, because the slab across it was laid to carry a car rather than a wall; the floor is raised and insulated to meet the house; and walls that were only ever meant to keep rain off a car are lined and insulated to the standard of a room somebody lives in. Most of the quantities are that lining and the new wall.
The new wall is counted the way it is built: the panel under the window across the whole opening, then the piers either side of the window up to the lintel over the old door, which the page takes as staying and carrying the wall above it. A window as wide as the opening leaves no piers, and a wall with no window is a single panel the full height, whatever the cill is set to. The bricks, the blocks, the ties and the cavity insulation all come off that net area, so the window is never bricked and then cut out on paper.
The floor is the decision that changes the job most, and the page counts only what both answers share. Over a damp-proof membrane lapped up to meet the walls' damp course, the floor is either insulation board under a screed or insulation between timber sleepers (battens) under a board deck. The insulation board is counted; the membrane, the screed, the sleepers and the deck are listed as work, because each follows the depth from the old slab up to the house's floor, which is the designer's figure.
The brick and block sizes follow the units. Metric opens on the 215 × 65 mm (about 8 1/2 × 2 1/2 in) brick and the 440 × 215 mm (about 17 3/8 × 8 1/2 in) block a British wall is built in; imperial opens on the US modular sizes the brick and block pages use, a 7 5/8 × 2 1/4 in (194 × 57 mm) brick and the 16 × 8 in block, whose face is 15 5/8 × 7 5/8 in (397 × 194 mm). The British sizes lay about 59 bricks and 10 blocks to the square metre (5.5 and 0.9 to the square foot) against 74 and 12 (6.9 and 1.1) for the US ones, so the build-up below names the size, and either can be chosen whichever units are showing.
How each line reads
- Base
- What the calculator gives for these dimensions, before anything is added.
- Allowance
- Cutting waste, a lap or spare stock — named, with where it comes from, and changeable on the row.
- Adjusted
- The base with its allowance on top.
- Order
- What to buy: the adjusted figure in whole boards, bags, rolls or lengths.
The order this happens in
Quantities do not tell you the sequence, and on this job the sequence is where the money goes wrong.
- Find out whether the conversion needs building control, or a permit, where you are, have the footing and any new lintel set by the designer, and trace the buried services before digging across the opening.
- Take out the garage door and its frame, strip what is fixed to the walls, and dig and cast the footing across the opening to the depth and width agreed.
- Build the new wall on its damp-proof course, tied into the piers either side, insulating the cavity as it rises, closing the cavity round the window and setting a lintel where the window needs one.
- Fit the window, then lay the damp-proof membrane over the slab, lapped up to meet the damp courses, and raise and insulate the floor to the house's level.
- Line the old walls with studs, run the first-fix cables and the heating pipe through them, then insulate between the studs and between the ceiling joists, and fix the vapour control layer on the warm side.
- Board the walls and the ceiling, tape and fill or skim, and let the room dry out before the first coat.
- Second fix: sockets, lights and the radiator; hang the door from the house, prime and paint, lay the floor and fit the skirting (baseboard) to it.
- Test the circuits, and have the completion inspection before the room is lived in.
What this takeoff does not cover
- The footing under the new wall and any lintel over its window. Whether each is needed, and its size, are for the designer and building control; both are listed as work with no quantity, and the page sizes neither.
- The brickwork and blockwork from the top of the new footing up to the old slab and the damp-proof course: those courses follow the footing depth the designer sets and are not counted. The brick and block rows start at the old slab.
- Whether the conversion needs planning permission or a permit where you are, including any condition on the house that keeps the garage for parking.
- The screed, or the sleepers (battens) and the board deck, that raise the floor. Each follows the depth from the old slab up to the house's floor, and is listed as work rather than measured.
- A slab lower than the ground outside, where the membrane, the damp courses and the new floor have to be detailed against water coming in; the page takes the slab as dry.
- Moving a gas or electricity meter, or the consumer unit (panel), that sits in the garage.
- The heating design: whether the boiler or heat pump can take another radiator, and the radiator's size, are listed as work and never sized here.
- Fire separation from the house and the way out of the new room, which building control sets for the room's use.
Quote check
Been given a quote for this job?
Paste it into the garage conversion quote check. Every line of it is read against these same calculators and your measurements. Quantities only, never prices.
What it leaves out
Every line this takeoff has that nothing on the quote reads as.
What it adds
Labour, removal, hire, fees — each named for what it is.
What to ask
One list of questions, ready to copy. Never a verdict.
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Frequently asked questions
- What does the garage conversion takeoff give for a typical job?
- Opened at Garage length, inside 5.5 m · Garage width, inside 3 m · Finished floor to ceiling 2.4 m · Garage door opening, width 2.4 m · Garage door opening, height 2.1 m · Window in the new wall, width 1.2 m · Wall under the window 1.05 m · Old walls to line and insulate 8.5 m · Doors into the room 1, it orders: Inner leaf blocks, under the window, 27 blocks; Inner leaf blocks, beside the window, 14 blocks; Facing bricks, under the window, 165 bricks; Facing bricks, beside the window, 83 bricks; Wall ties across the cavity, 16 ties; Weep holes along the base, 5 weep holes; Cavity insulation in the new wall, 2 sheets (2400x1200 mm); Flashing tape round the window, 6.93 m; Floor insulation board, 7 sheets (2400x1200 mm); Studs lining the old walls, 22 studs; Insulation between the lining studs, 3 packages; Insulation between the ceiling joists, 2 packages; Sockets (outlets) round the room, 5 outlets (minimum); Plasterboard (drywall) on the walls, 15 sheets (2400x1200 mm); Plasterboard (drywall) on the ceiling, 7 sheets; Joint compound, 35.8 kg; Mist coat or primer on the walls, 3.74 L; Mist coat or primer on the ceiling, 1.65 L; Wall paint, 7.49 L; Ceiling paint, 3.3 L; Underlay, 2 rolls; Laminate or vinyl plank, 9 packs; Threshold strips, 0.95 m; Skirting (baseboard), 17.7 m; Skip (dumpster) for the strip-out and the footing, 2.48 m³. Opened at Garage length, inside 18 ft · Garage width, inside 10 ft · Finished floor to ceiling 8 ft · Garage door opening, width 8 ft · Garage door opening, height 7 ft · Window in the new wall, width 4 ft · Wall under the window 3.5 ft · Old walls to line and insulate 28 ft · Doors into the room 1: Inner leaf blocks, under the window, 34 blocks; Inner leaf blocks, beside the window, 17 blocks; Facing bricks, under the window, 212 bricks; Facing bricks, beside the window, 106 bricks; Wall ties across the cavity, 16 ties; Weep holes along the base, 5 weep holes; Cavity insulation in the new wall, 2 sheets (4x8 ft); Flashing tape round the window, 23.1 ft; Floor insulation board, 7 sheets (4x8 ft); Studs lining the old walls, 22 studs; Insulation between the lining studs, 3 packages; Insulation between the ceiling joists, 2 packages; Sockets (outlets) round the room, 5 outlets (minimum); Plasterboard (drywall) on the walls, 15 sheets (4x8 ft); Plasterboard (drywall) on the ceiling, 7 sheets; Joint compound, 2 x 4.5 gal boxes; Mist coat or primer on the walls, 1.03 gal; Mist coat or primer on the ceiling, 0.45 gal; Wall paint, 2.06 gal; Ceiling paint, 0.9 gal; Underlay, 2 rolls; Laminate or vinyl plank, 9 packs; Threshold strips, 3.15 ft; Skirting (baseboard), 58.4 linear ft; Skip (dumpster) for the strip-out and the footing, 3.28 yd³. Every figure follows the dimensions you give it.
- Which calculators does the garage conversion takeoff run?
- 19 calculators, for 25 lines: Concrete CMU Block Counter & Grout Infill Calculator, Brick Calculator, Brick Veneer Wall Tie Density Calculator, Cavity Wall Weep Hole Spacing Calculator, Foam Board Insulation Calculator, Window Opening Flashing Membrane Calculator, Framing Stud Calculator, Insulation Batt Calculator, Outlet Spacing Calculator, Drywall Calculator, Ceiling Plasterboard (Gypsum Board) Sheet Calculator, Drywall Joint Compound Calculator, Paint Calculator, Ceiling Paint Calculator, Laminate/Vinyl Plank Floor Underlayment Roll Calculator, LVP, Laminate & Engineered Floor Calculator, Floor Transition Strip Calculator, Baseboard & Trim Calculator, Skip & Dumpster Size Calculator. Each has a page of its own with its formula and its sources; the takeoff runs them all on one set of dimensions.
- What does the garage conversion takeoff leave out?
- 8 things, each named on this page: The footing under the new wall and any lintel over its window; The brickwork and blockwork from the top of the new footing up to the old slab and the damp-proof course; Whether the conversion needs planning permission or a permit where you are, including any condition on the house that keeps the garage for parking; The screed, or the sleepers (battens) and the board deck, that raise the floor; A slab lower than the ground outside, where the membrane, the damp courses and the new floor have to be detailed against water coming in; the page takes the slab as dry; Moving a gas or electricity meter, or the consumer unit (panel), that sits in the garage; The heating design; Fire separation from the house and the way out of the new room, which building control sets for the room's use.
- Can I check a quote for this job against the takeoff?
- Yes. The garage conversion quote check reads a quote's lines against these same calculators and your measurements, and reports what it leaves out, what it adds and what to ask. It reads quantities, never prices.