From £16,328
West Wickam, BR4
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,024
John Smith Builders is a trusted extension builder serving customers in BR4 and the surrounding area. Contact us to today to get a competitive quot...
From £16,520
West Wickham, BR4
We do it all....With over 30 years experience in home developments and improvements we offer you the very best home building service. W...
From £16,424
Experienced extension builder ready to quote for your work. S G W is the best extension builder in BR4. No obligation free quotes and many happy cu...
From £16,040
West Wickam, BR4
Need an Extension Builder in BR4? LEXA BUILDING SERVICES LTD has been helping local clients (10 mile radius) with their extension buildering jobs f...
From £16,056
Experienced extension builder ready to quote for your work. SB Finishing is the best extension builder in BR4. No obligation free quotes and many h...
From £16,056
Welcome to A & A Roofing SolutionsWe are a professional family-run team experienced in all aspects of roofing, ranging from complete new ro...
From £15,976
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £15,888
Kent, BR4
EXCELL BUILDING is a trusted extension builder serving customers in BR4 and the surrounding area. Contact us to today to get a competitive quote fo...
From £16,344
Mardle Developments Ltd is a Bromley based family company who established themselves in 1998 and became incorporated in 2007.We carry out a...

Garage conversions in BR4 typically range from £15,888 (EXCELL BUILDING based in BR4) to £16,520 (Gables & Co based in BR4), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in BR4 who will be happy to help.
"Garage conversion" - WEST WICKAM
"Garage conversion (already connected to main house) into an additional bedroom/living space." - BR4
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 - £17,666

Two storey extension - £88,248

Build a timber frame extension - £26,166

Build a swimming pool - £81,166

Single storey extension - £58,312

Side return extension - £43,363

Install an RSJ - £2,366

Outbuilding - £10,166

Build a Mansard loft conversion - £52,166

Loft conversion - £35,303

Build a kitchen extension - £42,166

Hip to gable loft conversion - £42,166

Granny annexe - £87,166

Garden office - £10,166

Convert a Garage - £16,166

Garage - £18,666

Build a flat roof extension - £22,166

Build a dormer loft conversion - £42,166

Concrete foundations - £6,416

Convert a bungalow loft - £29,166

Convert a basement - £39,363