Garden and Building Solutions is an established and experienced local extension builder in NN8. Please contact us for a free, no obligation quote a...
Experienced extension builder ready to quote for your work. Home Ryte Construction is the best extension builder in NN8. No obligation free quotes ...
Trusted and professional extension builder in NN8. Experienced in all extension buildering work and keeping within budget and on quote. Captain Sto...
From £87,472
Matt Shirley
Need to find an Extension Builder near you for all your extension buildering work?
Shirley Ceramics provides a local, trusted extension bui...
From £90,088
Richard Threadgold
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,976
Experienced extension builder ready to quote for your work. MINERAL STAR CONSTRUCTION LTD is the best extension builder in NN8. No obligation free ...

Costs range from £87,436 (Garden and Building Solutions based in NN10) to £90,088 (STRANDOR ROOFING LTD based in NN6), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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"Two storey extension" - NN9, job posted 10/05/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Wellingborough | £39 | £251 |
| Two Storey Extension near Rushden | £34 | £231 |
| Two Storey Extension near Kettering | £34 | £237 |
| Two Storey Extension near Northampton | £35 | £239 |
| Two Storey Extension near Corby | £30 | £214 |
| Two Storey Extension near Bedford | £45 | £278 |
| Two Storey Extension near South Bedfordshire | £45 | £278 |
| Two Storey Extension near Market Harborough | £31 | £217 |
| Two Storey Extension near Kempston | £44 | £273 |
| Two Storey Extension near Milton Keynes | £39 | £263 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,601

Two storey extension - £88,152

Build a timber frame extension - £26,101

Build a swimming pool - £81,101

Single storey extension - £57,027

Side return extension - £42,640

Install an RSJ - £2,301

Outbuilding - £10,101

Build a Mansard loft conversion - £52,101

Loft conversion - £34,700

Build a kitchen extension - £42,101

Hip to gable loft conversion - £42,101

Granny annexe - £87,101

Garden office - £10,101

Convert a Garage - £16,101

Garage - £18,601

Build a flat roof extension - £22,101

Build a dormer loft conversion - £42,101

Concrete foundations - £6,351

Convert a bungalow loft - £29,101

Convert a basement - £38,640