Building estimates for extensions and new homes
Send us your drawings. We measure every item, price it at current UK rates and return a clear, itemised estimate within 3–5 working days.
- Prices from
- £120
- Turnaround
- 3–5 days
- Express
- 48 hours
- Coverage
- UK-wide
What we prepare
Estimates for builders and contractors working on residential projects, from single-storey extensions to new-build houses.
Every estimate includes
- An elemental summary with cost per m²
- Every item measured, with quantities and rates
- Assumptions and exclusions set out clearly
- A PDF with revision control, ready to share
- Material takeoffs
- Quantities for every item on your drawings, so you can order from your merchant with confidence.
- Cost estimates
- Labour, materials and plant priced at current UK rates, with an elemental summary and cost per m².
- Bills of quantities
- Itemised and measured generally to RICS NRM2, ready to send to subcontractors or your client.
- Tender pricing
- Priced schedules for tender returns, set out so every figure is easy to check.
How it works
- 1
Send your drawings and specification
Upload plans, sections, elevations and any specification through the form below, or email them. We confirm the scope and price within 24 hours.
- 2
We measure and price
We do a full takeoff from your drawings and price every item at current rates for your region.
- 3
You receive your estimate
An itemised PDF in 3–5 working days, or 48 hours with express. If you have any questions about it, we'll go through them with you directly.
See an example
A sample estimate for a single-storey rear extension, in the same format your project would be issued in.
It runs to seven pages: an elemental summary, every measured item with quantities and rates, and the assumptions and exclusions behind the figures.
Open the sample estimate (PDF)Single-storey rear extension
Estimate summary, Merseyside, Q4 2026 prices
- Total excl. VAT
- £46,451
- Cost per m²
- £2,853
- Floor area
- 16.28 m²
- Programme
- 10 weeks
| Ref | Element | £ |
|---|---|---|
| 1 | Preliminaries | 6,210 |
| 2 | Demolitions and alterations | 3,888 |
| 3 | Substructure | 4,545 |
| 4 | Ground floor | 1,743 |
| 5 | External walls | 6,370 |
| 6 | Roof | 6,347 |
| 7 | Windows and external doors | 5,820 |
| 8 | Internal finishes | 1,781 |
| 9 | Services | 2,200 |
| 10 | Drainage | 1,038 |
| 11 | External works | 450 |
| Construction cost | 40,393 | |
| Overheads, profit and contingency | 6,059 | |
| Estimate total excl. VAT | 46,451 |
Pricing
Typical starting prices. Send your drawings and we confirm the exact price before any work starts. Larger or unusual projects are quoted individually.
| Work | Scope | From |
|---|---|---|
| Material takeoff | Quantities only, for jobs you price yourself | £120 |
| Single-storey extension | Full measured estimate | £150 |
| Double-storey extension | Full measured estimate | £250 |
| New-build house | Full measured estimate, single dwelling | £450 |
Standard turnaround: 3–5 working days from receipt of full drawings.
Express: 48 hours, at an extra 50%.
Request a quote
Send your drawings and a few details. We reply within 24 hours with a price and a delivery date.
- hello@thego2guys.uk
- Phone
- 0151 662 1274
- Coverage
- UK-wide