Fictional demo. Computed live by the estimating engine from a template's default answers, default labour rates and dated catalogue allowances. It is not a real business, customer or supplier price.

Live demo

Detached garage

15.7 m² internal · £44,671.20 inc. VAT

Builder's view (internal)Customer's view

Example Builders Ltd (fictional)

Quotation DEMO-0001

Awaiting your response

Total including VAT

£44,671.20

£37,226.00 before VAT
VAT at 20% · VAT £7,445.20

This quotation sets out the work, the price and what is provisional. Please read the assumptions and exclusions before accepting.

What we will build

Detached garage: 6m × 3.5m (external), approximately 15.7 m² internal floor area.
Walls: insulated cavity wall, block inner leaf finished in facing brick.
Roof: pitched gable roof at 30° in concrete interlocking tile.
Foundations and floor: trench-fill foundations, concrete slab.
Windows and doors: 1 × garage door 2.4×2.1m, 1 × door 0.9×2.1m, 1 × window 0.9×0.9m.
Completed to: complete finish (standard specification).
Services: 4 power points, 2 light fittings, no heating.

Price breakdown

Preliminaries & site setup

Site set-up, welfare, protection and management

£793.51Excavation & foundations

Excavation, foundations and below-ground masonry

£3,790.13Floors

Ground floor construction, insulation and screed

£2,687.88External walls

External walls, insulation and outside finish

£10,418.62Roof

Roof structure, covering, fascias and guttering

£8,298.45Windows & external doors

Windows, external doors and rooflights

£3,213.71Drainage

Foul and surface water drainage

£1,494.44Electrical

Electrical installation

£544.88Scaffold & access

Scaffolding and access

£1,130.75Plant hire

Plant and equipment

£780.28Waste removal

Skips and waste removal

£2,433.43Deliveries

Material deliveries

£330.63Testing & certification

Testing and certification

£119.03Fees & approvals

Building control and approvals

£1,190.26Total before VAT£37,226.00VAT at 20%£7,445.20Total£44,671.20

Assumptions this price relies on

Garage floor: 150mm concrete slab, power-floated, uninsulated.
Foundations: trench fill 600mm wide × 1.0m deep in GEN1 concrete under all new external walls.
Ground floor: 150mm concrete slab on 150mm compacted hardcore.
External walls: facing brick outer skin, 100mm full-fill insulated cavity, 100mm block inner skin.
Gable roof at 30° on manufacturer-designed trusses, covered in concrete interlocking tile. Truss price is an allowance until the manufacturer quotes.
Rainwater to a new soakaway at least 5m from the building; a percolation test may be required by building control.
The existing consumer unit has spare capacity for the new circuits; if not, a new unit is extra.
No planning application fee, party wall surveyor or planning drawings are included. Permitted development or existing consent is assumed.
Work to comply with the building regulations applying in England; design by others where a design is required.

Not included

Planning application, drawings and party wall matters
Furniture, appliances and loose fittings
Landscaping and reinstatement beyond the working area
Anything found on opening up that could not be seen at survey
Driveway, hardstanding and dropped kerb

Programme, validity and payment

Estimated time on site: about 4 weeks, subject to weather, materials and approvals.
Payment in stages:
Deposit on acceptance 10% £4,467.12
Watertight shell 40% £17,868.48
First and second fix complete 30% £13,401.36
Completion and handover 20% £8,934.24
Payment: Each stage is invoiced when it is reached and is due within 7 days.

Example Builders Ltd (fictional) · 1 Example Street, Andover · 01234 567890 · hello@example.invalid

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Deposit on acceptance	10%	£4,467.12
Watertight shell	40%	£17,868.48
First and second fix complete	30%	£13,401.36
Completion and handover	20%	£8,934.24