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Relax... you have found a reliable extension builder in West Molesey. GDW Construction is a friendly and reliable company based in West Molesey who...
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Andy Harris
Andy Harris Construction is an established and experienced local extension builder in West Molesey. Please contact us for a free, no obligation quo...
Jatinder Kahlon
Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...
Need to find an Extension Builder near you for all your extension buildering work?
Slick Construction Ltd provides a local, trusted extensi...
Building Vision London Ltd is a trusted extension builder serving customers in West Molesey and the surrounding area. Contact us to today to get a ...
Trusted and professional extension builder in West Molesey. Experienced in all extension buildering work and keeping within budget and on quote. TF...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in West Molesey by posting a job with HaMuch and we will send it to extension builders in West Molesey.
"Basement conversion" - TW2, job posted 05/04/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near West Molesey | £43 | £274 |
| Convert A Basement near Richmond Upon Thames | £43 | £274 |
| Convert A Basement near Esher | £43 | £274 |
| Convert A Basement near Sunbury-on-Thames | £43 | £273 |
| Convert A Basement near Walton-on-Thames | £43 | £277 |
| Convert A Basement near Elmbridge | £44 | £278 |
| Convert A Basement near Kingston Upon Thames | £43 | £271 |
| Convert A Basement near Hounslow | £43 | £272 |
| Convert A Basement near Ewell | £44 | £275 |
| Convert A Basement near New Haw | £43 | £273 |
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 - £17,878

Two storey extension - £88,568

Build a timber frame extension - £26,378

Build a swimming pool - £81,378

Single storey extension - £62,568

Side return extension - £45,757

Install an RSJ - £2,578

Outbuilding - £10,378

Build a Mansard loft conversion - £52,378

Loft conversion - £37,298

Build a kitchen extension - £42,378

Hip to gable loft conversion - £42,378

Granny annexe - £87,378

Garden office - £10,378

Convert a Garage - £16,378

Garage - £18,878

Build a flat roof extension - £22,378

Build a dormer loft conversion - £42,378

Concrete foundations - £6,628

Convert a bungalow loft - £29,378

Convert a basement - £41,757