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Need an Extension Builder in Heston? S.K Singh has been helping local clients (10 mile radius) with their extension buildering jobs for many years....
Nirvair Builders is an established extension buildering business in Heston. We come highly recommended and provide competitive quotes for your work...
Trusted and professional extension builder in Heston. Experienced in all extension buildering work and keeping within budget and on quote. DC Build...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Heston. Experienced in all extension buildering work and keeping within budget and on quote. SME Buil...
Need an Extension Builder in Heston? Ava Constructions & Decors Ltd has been helping local clients (10 mile radius) with their extension buildering...
Need to find an Extension Builder near you for all your extension buildering work?
Slick Construction Ltd provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Image Design & Consultants is a trusted extension builder serving customers in Heston and the surrounding area. Contact us to today to get a compet...
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 Heston by posting a job with HaMuch and we will send it to extension builders in Heston.
"Basement conversion" - TW2, job posted 04/05/26
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 - £17,654

Two storey extension - £88,230

Build a timber frame extension - £26,154

Build a swimming pool - £81,154

Single storey extension - £58,072

Side return extension - £43,228

Install an RSJ - £2,354

Outbuilding - £10,154

Build a Mansard loft conversion - £52,154

Loft conversion - £35,190

Build a kitchen extension - £42,154

Hip to gable loft conversion - £42,154

Granny annexe - £87,154

Garden office - £10,154

Convert a Garage - £16,154

Garage - £18,654

Build a flat roof extension - £22,154

Build a dormer loft conversion - £42,154

Concrete foundations - £6,404

Convert a bungalow loft - £29,154

Convert a basement - £39,228