From £36,060
Waltham Cross, EN8
Experienced extension builder ready to quote for your work. Isc Building And Maintenance is the best extension builder in EN8. No obligation free q...
From £36,330
Experienced extension builder ready to quote for your work. MERT BUILDERS is the best extension builder in EN8. No obligation free quotes and many ...
From £41,370
Hertfordshire, EN8
Roberts & Co is a family run business est.2009. We specialize in Kitchen extensions and Loft conversions, and cover Hertfordshire, Essex and Greate...
From £39,660
Trusted and professional extension builder in EN8. Experienced in all extension buildering work and keeping within budget and on quote. Jiggins & S...
From £41,820
Waltham Cross, EN8
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,280
Experienced extension builder ready to quote for your work. SBH Construction Group is the best extension builder in EN8. No obligation free quotes ...
From £40,470
Waltham Cross, EN8
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,910
Trusted and professional extension builder in EN8. Experienced in all extension buildering work and keeping within budget and on quote. QUAD BUILDI...
From £40,560
Herts Renovations is a trusted extension builder serving customers in EN8 and the surrounding area. Contact us to today to get a competitive quote ...
From £39,120
Trusted and professional extension builder in EN8. Experienced in all extension buildering work and keeping within budget and on quote. PM Heating ...

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 EN8 by posting a job with HaMuch and we will send it to extension builders in EN8.
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 - £17,710

Two storey extension - £88,314

Build a timber frame extension - £26,210

Build a swimming pool - £81,210

Single storey extension - £59,192

Side return extension - £43,858

Install an RSJ - £2,410

Outbuilding - £10,210

Build a Mansard loft conversion - £52,210

Loft conversion - £35,715

Build a kitchen extension - £42,210

Hip to gable loft conversion - £42,210

Granny annexe - £87,210

Garden office - £10,210

Convert a Garage - £16,210

Garage - £18,710

Build a flat roof extension - £22,210

Build a dormer loft conversion - £42,210

Concrete foundations - £6,460

Convert a bungalow loft - £29,210

Convert a basement - £39,858