We send your job to ALL Lambeth extension builders
Available extension builders in Lambeth reply
Select your affordable Lambeth extension builder
JK Doors is a trusted extension builder serving customers in Lambeth and the surrounding area. Contact us to today to get a competitive quote for e...
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
QA's Pointing Brick Repair
Relax... you have found a reliable extension builder in Lambeth. QA's Pointing and Brick Repair is a friendly and reliable company based in Lambeth...
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Lambeth. No obligation free quotes a...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Lambeth. No obligation fre...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Lambeth and the surrounding area. Contact us to today to get...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Lambeth. We offer a competitive rate to complete all your extension...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Lambeth. No obligation free ...
JM Building Services is a trusted extension builder serving customers in Lambeth and the surrounding area. Contact us to today to get a competitive...
Trusted and professional extension builder in Lambeth. Experienced in all extension buildering work and keeping within budget and on quote. Vidanov...

In Lambeth, prices for dormer loft conversions range from £41,976 (A to Z Builders Ltd based in SW1P) to £42,376 (CK Constructions & Development Ltd based in WC1N), 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 Lambeth. 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 - £17,658

Two storey extension - £88,238

Build a timber frame extension - £26,158

Build a swimming pool - £81,158

Single storey extension - £58,168

Side return extension - £43,282

Install an RSJ - £2,358

Outbuilding - £10,158

Build a Mansard loft conversion - £52,158

Loft conversion - £35,235

Build a kitchen extension - £42,158

Hip to gable loft conversion - £42,158

Granny annexe - £87,158

Garden office - £10,158

Convert a Garage - £16,158

Garage - £18,658

Build a flat roof extension - £22,158

Build a dormer loft conversion - £42,158

Concrete foundations - £6,408

Convert a bungalow loft - £29,158

Convert a basement - £39,282