We send your job to ALL WD19 extension builders
Available extension builders in WD19 reply
Select your affordable WD19 extension builder
Herts, WD19
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Sharp Building Ltd is an established and experienced local extension builder in WD19. Please contact us for a free, no obligation quote and competi...
AVENUE BUILDERS is an established extension buildering business in WD19. We come highly recommended and provide competitive quotes for your work.
Relax... you have found a reliable extension builder in WD19. C S C BUILDINGS LTD is a friendly and reliable company based in WD19 who consider no ...
Relax... you have found a reliable extension builder in WD19. Frame Brickwork is a friendly and reliable company based in WD19 who consider no job ...
Experienced extension builder ready to quote for your work. 1st Choice Builders UK is the best extension builder in WD19. No obligation free quotes...
T N Roofing is an established extension buildering business in WD19. We come highly recommended and provide competitive quotes for your work.
We specialise in constructing and the refurbishment of homes for discerning clients looking for quality, excellence and design in London and the Ho...
Trusted and professional extension builder in WD19. Experienced in all extension buildering work and keeping within budget and on quote. Design & B...
From £42,424
Trusted and professional extension builder in WD19. Experienced in all extension buildering work and keeping within budget and on quote. S2M VENTUR...

In WD19, prices for dormer loft conversions range from £42,208 (AVENUE BUILDERS based in WD23) to £44,760 (Design & Build Builders Ltd based in WD18), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in WD19. Post your job on HaMuch now and we'll put you in touch with available extension builders.
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 - £18,086

Two storey extension - £88,880

Build a timber frame extension - £26,586

Build a swimming pool - £81,586

Single storey extension - £66,728

Side return extension - £48,097

Install an RSJ - £2,786

Outbuilding - £10,586

Build a Mansard loft conversion - £52,586

Loft conversion - £39,248

Build a kitchen extension - £42,586

Hip to gable loft conversion - £42,586

Granny annexe - £87,586

Garden office - £10,586

Convert a Garage - £16,586

Garage - £19,086

Build a flat roof extension - £22,586

Build a dormer loft conversion - £42,586

Concrete foundations - £6,836

Convert a bungalow loft - £29,586

Convert a basement - £44,097