From £88,000
Wellingborough, NN8
Experienced extension builder ready to quote for your work. Home Ryte Construction is the best extension builder in Wellingborough. No obligation f...
From £90,088
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 Wellingborough. No oblig...
From £87,940
Trusted and professional extension builder in Wellingborough. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £87,436
Garden and Building Solutions is an established and experienced local extension builder in Wellingborough. Please contact us for a free, no obligat...
From £87,472
Need to find an Extension Builder near you for all your extension buildering work?
Shirley Ceramics provides a local, trusted extension bui...
From £88,060
Experienced extension builder ready to quote for your work. KMR CONSTRUCTION is the best extension builder in Wellingborough. No obligation free qu...
From £87,544
Experienced extension builder ready to quote for your work. L & D CONSTRUCTION SERVICE is the best extension builder in Wellingborough. No obligati...
From £87,316
Need to find an Extension Builder near you for all your extension buildering work?
A G Hicks Building Services provides a local, trusted ex...
From £87,868
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Costs range from £87,316 (A G Hicks Building Services based in NN3) 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 South Bedfordshire | £45 | £278 |
| Two Storey Extension near Bedford | £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 - £17,480

Two storey extension - £87,970

Build a timber frame extension - £25,980

Build a swimming pool - £80,980

Single storey extension - £54,600

Side return extension - £41,275

Install an RSJ - £2,180

Outbuilding - £9,980

Build a Mansard loft conversion - £51,980

Loft conversion - £33,563

Build a kitchen extension - £41,980

Hip to gable loft conversion - £41,980

Granny annexe - £86,980

Garden office - £9,980

Convert a Garage - £15,980

Garage - £18,480

Build a flat roof extension - £21,980

Build a dormer loft conversion - £41,980

Concrete foundations - £6,230

Convert a bungalow loft - £28,980

Convert a basement - £37,275