R Tredget & Son are here to help customers who need an Extension Builder in Welling. We offer a competitive rate to complete all your extension bui...
Tommy House
Welling, DA16
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Welling and the surrounding area. Contact us to today to get a ...
Trusted and professional extension builder in Welling. Experienced in all extension buildering work and keeping within budget and on quote. AM Buil...
Philip Boateg
Need to find an Extension Builder near you for all your extension buildering work?
PFM General Building Services Ltd provides a local, trus...
Experienced extension builder ready to quote for your work. Liviu Toma is the best extension builder in Welling. No obligation free quotes and many...
Welling Kent, DA16
Lover Build is an established and experienced local extension builder in Welling. Please contact us for a free, no obligation quote and competitive...
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
Need to find an Extension Builder near you for all your extension buildering work?
AMJAC CONSTRUCTION LTD provides a local, trusted extensi...
Pedro
Need an Extension Builder in Welling? Danni Building Services Ltd has been helping local clients (10 mile radius) with their extension buildering j...
Pro-Tec Roofing & Building Services Ltd is an established and experienced local extension builder in Welling. Please contact us for a free, no obli...

Costs range from £87,808 (AMJAC CONSTRUCTION LTD based in SE9) to £88,924 (HOUSE BUILDING SERVICES LIMITED based in DA16), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Welling.
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 - £17,746

Two storey extension - £88,368

Build a timber frame extension - £26,246

Build a swimming pool - £81,246

Single storey extension - £59,912

Side return extension - £44,263

Install an RSJ - £2,446

Outbuilding - £10,246

Build a Mansard loft conversion - £52,246

Loft conversion - £36,053

Build a kitchen extension - £42,246

Hip to gable loft conversion - £42,246

Granny annexe - £87,246

Garden office - £10,246

Convert a Garage - £16,246

Garage - £18,746

Build a flat roof extension - £22,246

Build a dormer loft conversion - £42,246

Concrete foundations - £6,496

Convert a bungalow loft - £29,246

Convert a basement - £40,263