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Relax... you have found a reliable extension builder in Banstead. GDW Construction is a friendly and reliable company based in Banstead who conside...
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Banstead. No obligation free qu...
From £7,450
Sebastian Banga
Member since August 2025
Banga decoration. Is Base in south London for number of year Banga decoration is a small company. Wich provide an excellent job to the custom...
John Mcdonagh
Watch our short video highlighting all our expertise and services here:
more than 10 y...
Gani Bush
Gb construction are here to help customers who need an Extension Builder in Banstead. We offer a competitive rate to complete all your extension b...
Relax... you have found a reliable extension builder in Banstead. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable co...
Trusted and professional extension builder in Banstead. Experienced in all extension buildering work and keeping within budget and on quote. J & D ...
Langston Builders is a trusted extension builder serving customers in Banstead and the surrounding area. Contact us to today to get a competitive q...

Concrete foundations range from the £6,298 (J&J Building Solutions based in SW16) to £7,450 (Banga Decoration based in CR7) in Banstead.
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 Banstead 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 Epsom | £44 | £275 |
| Concrete Foundations near Reigate & Banstead | £41 | £271 |
| Concrete Foundations near Tadworth | £41 | £271 |
| Concrete Foundations near Ewell | £44 | £275 |
| Concrete Foundations near Sutton | £43 | £274 |
| Concrete Foundations near Merton | £43 | £272 |
| Concrete Foundations near Caterham | £43 | £271 |
| Concrete Foundations near Reigate | £40 | £270 |
| Concrete Foundations near Redhill | £41 | £269 |
| Concrete Foundations near Croydon | £42 | £267 |
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 - £17,867

Two storey extension - £88,551

Build a timber frame extension - £26,367

Build a swimming pool - £81,367

Single storey extension - £62,344

Side return extension - £45,631

Install an RSJ - £2,567

Outbuilding - £10,367

Build a Mansard loft conversion - £52,367

Loft conversion - £37,193

Build a kitchen extension - £42,367

Hip to gable loft conversion - £42,367

Granny annexe - £87,367

Garden office - £10,367

Convert a Garage - £16,367

Garage - £18,867

Build a flat roof extension - £22,367

Build a dormer loft conversion - £42,367

Concrete foundations - £6,617

Convert a bungalow loft - £29,367

Convert a basement - £41,631