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The Perfectionist
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Camberwell. No obligation free quote...
"To divide a room" - SW2, job posted 08/07/25
D & G Building & Decorating
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Camberwell. No obligation ...
"Basement conversion" - LAMBETH, job posted 02/05/25
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Camberwell. No obligation fr...
"Extension to lower ground area." - SW9, job posted 28/03/25
Vidanov Building Services
Camberwell, SE5
Trusted and professional extension builder in Camberwell. Experienced in all extension buildering work and keeping within budget and on quote. Vida...
"Two storey extension" - HERNE HILL, job posted 12/01/25
DUWIX BUILDING MAINTENANCE
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in Camberwell. We offer a competitive rate to complete all your...
Building and Plastering Solution
Peter Cesma
Camberwell London, SE5
Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services. Public liabil...
Home Tranformers Ltd
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...
Ask Building
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...
AAA Design Decorators
AAA Design Decorators are here to help customers who need an Extension Builder in Camberwell. We offer a competitive rate to complete all your exte...
AGRI CONSTRUCTION
Need to find an Extension Builder near you for all your extension buildering work?
AGRI CONSTRUCTION provides a local, trusted extension bu...
BUILD TEAM
Need to find an Extension Builder near you for all your extension buildering work?
BUILD TEAM provides a local, trusted extension builderin...
£37/hr
£235/day
FRIERN BUILDING LTD
FRIERN BUILDING LTD is an established extension buildering business in Camberwell. We come highly recommended and provide competitive quotes for yo...
£76/hr
£756/day
Chris Ellis Project Service
Chris Ellis
Based in Camberwell south east London we provide a turnkey service for Domestic and Commercial construction Projects from conception to compl...
£41/hr
£260/day
Atelier 10
Atelier 10 are here to help customers who need an Extension Builder in Camberwell. We offer a competitive rate to complete all your extension build...
£41/hr
£253/day
James Hall Property Solutions Ltd
James Hall Property Solutions Ltd is a trusted extension builder serving customers in Camberwell and the surrounding area. Contact us to today to g...
£50/hr
£311/day
Oxus Construction
Need an Extension Builder in Camberwell? Oxus Construction has been helping local clients (5 mile radius) with their extension buildering jobs for ...
£41/hr
£258/day
Casa Of Peckham London
The Casa Shop is nestled in the heart of Peckham, London. Established in 1998, we are specialist suppliers and installers of Eco Wood-Burning and G...
£45/hr
£282/day
Finch Lockerbie
Relax... you have found a reliable extension builder in Camberwell. Finch Lockerbie is a friendly and reliable company based in Camberwell who cons...
£43/hr
£244/day
AL-KO Construction Ltd
Get an Extension Builder in Camberwell who you can trust. AL-KO Construction Ltd provide friendly and reliable extension buildering services to the...
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- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Camberwell. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Camberwell Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
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.

Build a timber frame extension - £26,272

Garden office - £10,272

Granny annexe - £87,272

Build a flat roof extension - £22,272

Convert a Garage - £16,272

Hip to gable loft conversion - £42,272

Convert a bungalow loft - £29,272

Build a dormer loft conversion - £42,272

Build a swimming pool - £81,272

Build a Mansard loft conversion - £52,272

Concrete foundations - £6,522

Underpin a building - £17,772

Two storey extension - £88,408

Convert a basement - £40,560

Side return extension - £44,560

Loft conversion - £36,300

Garage - £18,772

Single storey extension - £60,440

Outbuilding - £10,272

Install an RSJ - £2,472

Build a kitchen extension - £42,272
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