From £6,050
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,402
Prestige Build Services LTD is a trusted extension builder serving customers in SN1 and the surrounding area. Contact us to today to get a competit...
From £5,786
Need an Extension Builder in SN1? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
From £6,346
MJ solutions is an established and experienced local extension builder in SN1. Please contact us for a free, no obligation quote and competitive r...
From £6,378
Relax... you have found a reliable extension builder in SN1. CHF CONSTRUCTION is a friendly and reliable company based in SN1 who consider no job a...
From £6,306
DSA CONSTRUCTION is an established extension buildering business in SN1. We come highly recommended and provide competitive quotes for your work.
From £6,114
Relax... you have found a reliable extension builder in SN1. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in SN1 who consi...
From £5,730
MR HOWELL are here to help customers who need an Extension Builder in SN1. We offer a competitive rate to complete all your extension buildering jo...
From £6,402
Need to find an Extension Builder near you for all your extension buildering work?
A S A BUILDING SERVICES LTD provides a local, trusted ex...
From £6,202
A D BUILDING SERVICES T/A is a trusted extension builder serving customers in SN1 and the surrounding area. Contact us to today to get a competitiv...

Concrete foundations range from the £5,730 (MR HOWELL based in SN3) to £6,402 (Prestige Build Services LTD based in SN5) in SN1.
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 SN1 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 Swindon | £38 | £238 |
| Concrete Foundations near Stratton St Margaret | £37 | £238 |
| Concrete Foundations near Thamesdown | £38 | £239 |
| Concrete Foundations near Calne | £29 | £225 |
| Concrete Foundations near Vale of White Horse | £36 | £271 |
| Concrete Foundations near North Wiltshire | £32 | £242 |
| Concrete Foundations near West Wiltshire | £32 | £242 |
| Concrete Foundations near Devizes | £32 | £242 |
| Concrete Foundations near Chippenham | £34 | £258 |
| Concrete Foundations near Witney | £32 | £244 |
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 - £17,422

Two storey extension - £87,882

Build a timber frame extension - £25,922

Build a swimming pool - £80,922

Single storey extension - £53,432

Side return extension - £40,618

Install an RSJ - £2,122

Outbuilding - £9,922

Build a Mansard loft conversion - £51,922

Loft conversion - £33,015

Build a kitchen extension - £41,922

Hip to gable loft conversion - £41,922

Granny annexe - £86,922

Garden office - £9,922

Convert a Garage - £15,922

Garage - £18,422

Build a flat roof extension - £21,922

Build a dormer loft conversion - £41,922

Concrete foundations - £6,172

Convert a bungalow loft - £28,922

Convert a basement - £36,618