We send your job to ALL Sidcup extension builders
Available extension builders in Sidcup reply
Select your affordable Sidcup extension builder
Experienced extension builder ready to quote for your work. NA Brickwork is the best extension builder in Sidcup. No obligation free quotes and man...
Need to find an Extension Builder near you for all your extension buildering work?
Master Builders provides a local, trusted extension buil...
Curtis Archer
Relax... you have found a reliable extension builder in Sidcup. POVERSET BUILDING COMPANY is a friendly and reliable company based in Sidcup who co...
R Tredget & Son are here to help customers who need an Extension Builder in Sidcup. We offer a competitive rate to complete all your extension buil...
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Sidcup and the surrounding area. Contact us to today to get a c...
Lover Build is an established and experienced local extension builder in Sidcup. Please contact us for a free, no obligation quote and competitive ...
Need to find an Extension Builder near you for all your extension buildering work?
AMJAC CONSTRUCTION LTD provides a local, trusted extensi...
Pro-Tec Roofing & Building Services Ltd is an established and experienced local extension builder in Sidcup. Please contact us for a free, no oblig...
Experienced extension builder ready to quote for your work. Aumosa Ltd is the best extension builder in Sidcup. No obligation free quotes and many ...
Gary Woolcombe
I am an experienced builder, I jave been in the building game since I left college after doing a 2 year bricklaying apprenticeship.
I ha...

In Sidcup, prices for dormer loft conversions range from £41,872 (AMJAC CONSTRUCTION LTD based in SE9) to £42,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), 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 Sidcup. 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 - £17,669

Two storey extension - £88,253

Build a timber frame extension - £26,169

Build a swimming pool - £81,169

Single storey extension - £58,376

Side return extension - £43,399

Install an RSJ - £2,369

Outbuilding - £10,169

Build a Mansard loft conversion - £52,169

Loft conversion - £35,333

Build a kitchen extension - £42,169

Hip to gable loft conversion - £42,169

Granny annexe - £87,169

Garden office - £10,169

Convert a Garage - £16,169

Garage - £18,669

Build a flat roof extension - £22,169

Build a dormer loft conversion - £42,169

Concrete foundations - £6,419

Convert a bungalow loft - £29,169

Convert a basement - £39,399