We send your job to ALL Belgravia extension builders
Available extension builders in Belgravia reply
Select your affordable Belgravia extension builder
QA's Pointing Brick Repair
Relax... you have found a reliable extension builder in Belgravia. QA's Pointing and Brick Repair is a friendly and reliable company based in Belgr...
Relax... you have found a reliable extension builder in Belgravia. M & A UK Ltd is a friendly and reliable company based in Belgravia who consider ...
Jay Reid
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Belgravia. No obligation f...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Belgravia and the surrounding area. Contact us to today to g...
London Construction is an established and experienced local extension builder in Belgravia. Please contact us for a free, no obligation quote and c...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Belgravia. We offer a competitive rate to complete all your extensi...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Belgravia. No obligation fre...
JK Doors is a trusted extension builder serving customers in Belgravia and the surrounding area. Contact us to today to get a competitive quote for...
JM Building Services is a trusted extension builder serving customers in Belgravia and the surrounding area. Contact us to today to get a competiti...

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 Belgravia by posting a job with HaMuch and we will send it to extension builders in Belgravia.
"Basement conversion" - LAMBETH, job posted 05/02/25
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 - £17,926

Two storey extension - £88,638

Build a timber frame extension - £26,426

Build a swimming pool - £81,426

Single storey extension - £63,512

Side return extension - £46,288

Install an RSJ - £2,626

Outbuilding - £10,426

Build a Mansard loft conversion - £52,426

Loft conversion - £37,740

Build a kitchen extension - £42,426

Hip to gable loft conversion - £42,426

Granny annexe - £87,426

Garden office - £10,426

Convert a Garage - £16,426

Garage - £18,926

Build a flat roof extension - £22,426

Build a dormer loft conversion - £42,426

Concrete foundations - £6,676

Convert a bungalow loft - £29,426

Convert a basement - £42,288