From £5,658
We have a great team behind us, we offer friendly, competitive and professional service. With years of experience among the trades, there's not muc...
From £6,114
Walsh Builders Ltd is an established and experienced local extension builder in NN2. Please contact us for a free, no obligation quote and competit...
From £5,866
Brickwork specialist with 30 years experience.
From repointing, small repairs up to building extensions and houses.
Stonework...
From £5,850
M Home Renovations is an established extension buildering business in NN2. We come highly recommended and provide competitive quotes for your work....
From £6,186
L.D.Design&Build means a holistic approach to building, one simple way of finding everything you need for your building project under the ‘same r...
From £6,122
Need an Extension Builder in NN2? DAB & K&G Building Services has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £5,938
Experienced extension builder ready to quote for your work. Reco life is the best extension builder in NN2. No obligation free quotes and many happ...
From £6,498
Samrai Associates was founded by Hars Samrai in Northampton in order to provide clients with a prompt and robust Architectural Service. Over time m...
From £6,178
Fountain Construction Ltd is an established and experienced local extension builder in NN2. Please contact us for a free, no obligation quote and c...
From £6,442
Relax... you have found a reliable extension builder in NN2. Wright Building is a friendly and reliable company based in NN2 who consider no job as...

Concrete foundations range from the £5,658 (Artizan Roofing based in NN2) to £6,498 (Samrai Associates Limited based in NN3) in NN2.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in NN2 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Northampton | £35 | £239 |
| Concrete Foundations near Wellingborough | £39 | £251 |
| Concrete Foundations near Daventry | £31 | £230 |
| Concrete Foundations near Kettering | £34 | £237 |
| Concrete Foundations near Rushden | £34 | £231 |
| Concrete Foundations near Market Harborough | £31 | £217 |
| Concrete Foundations near Milton Keynes | £39 | £263 |
| Concrete Foundations near Rugby | £31 | £224 |
| Concrete Foundations near Corby | £30 | £214 |
| Concrete Foundations near South Bedfordshire | £45 | £278 |
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 - £17,335

Two storey extension - £87,753

Build a timber frame extension - £25,835

Build a swimming pool - £80,835

Single storey extension - £51,704

Side return extension - £39,646

Install an RSJ - £2,035

Outbuilding - £9,835

Build a Mansard loft conversion - £51,835

Loft conversion - £32,205

Build a kitchen extension - £41,835

Hip to gable loft conversion - £41,835

Granny annexe - £86,835

Garden office - £9,835

Convert a Garage - £15,835

Garage - £18,335

Build a flat roof extension - £21,835

Build a dormer loft conversion - £41,835

Concrete foundations - £6,085

Convert a bungalow loft - £28,835

Convert a basement - £35,646