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Select your affordable St Neots extension builder
From £22,448
JP Building Limited are here to help customers who need an Extension Builder in St Neots. We offer a competitive rate to complete all your extensio...
From £22,144
A.S. OHM Electrics Ltd is a trusted extension builder serving customers in St Neots and the surrounding area. Contact us to today to get a competit...
From £22,256
ELITE BUILDING SERVICES LTD is an established extension buildering business in St Neots. We come highly recommended and provide competitive quotes ...
From £22,264
Relax... you have found a reliable extension builder in St Neots. Applewood Design and Build Ltd is a friendly and reliable company based in St Neo...
From £22,168
Relax... you have found a reliable extension builder in St Neots. Imogen Jack is a friendly and reliable company based in St Neots who consider no ...
From £22,136
Trusted and professional extension builder in St Neots. Experienced in all extension buildering work and keeping within budget and on quote. J. WAT...

A flat roof extension ranges from the cheapest of £22,136 (J. WATSON BUILDERS based in SG19) to the dearest of £22,448 (JP Building Limited based in PE19), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in St Neots by posting a job with HaMuch. We'll send it to extension builders in St Neots.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near St Neots | £51 | £318 |
| Build A Flat Roof Extension near Huntingdon | £38 | £284 |
| Build A Flat Roof Extension near Biggleswade | £41 | £268 |
| Build A Flat Roof Extension near Huntingdonshire | £36 | £290 |
| Build A Flat Roof Extension near South Bedfordshire | £45 | £278 |
| Build A Flat Roof Extension near Bedford | £45 | £278 |
| Build A Flat Roof Extension near Kempston | £44 | £273 |
| Build A Flat Roof Extension near South Cambridgeshire | £50 | £315 |
| Build A Flat Roof Extension near Rushden | £34 | £231 |
| Build A Flat Roof Extension near Cambridge | £41 | £275 |
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 - £17,736

Two storey extension - £88,354

Build a timber frame extension - £26,236

Build a swimming pool - £81,236

Single storey extension - £59,720

Side return extension - £44,155

Install an RSJ - £2,436

Outbuilding - £10,236

Build a Mansard loft conversion - £52,236

Loft conversion - £35,963

Build a kitchen extension - £42,236

Hip to gable loft conversion - £42,236

Granny annexe - £87,236

Garden office - £10,236

Convert a Garage - £16,236

Garage - £18,736

Build a flat roof extension - £22,236

Build a dormer loft conversion - £42,236

Concrete foundations - £6,486

Convert a bungalow loft - £29,236

Convert a basement - £40,155