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AM Builder
Trusted and professional extension builder in SE7. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder ...
"Change mascerator as its overflowing, its behind a cabinet that would need to be o pened up" - SE18, job posted 21/09/26
Jmc buildets
Jay Christenson
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in SE7. No obligation free quotes and many h...
"Garden office" - WOOLWICH, job posted 19/03/26
JASPG Construction & Design
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
"Dormer loft conversion" - SE3, job posted 30/08/25
RLD Contractors Ltd
RLD Contractors Ltd is an established and experienced local extension builder in SE7. Please contact us for a free, no obligation quote and competi...
"Loft conversion" - SE3, job posted 18/03/24
£38/hr
£240/day
Trafalgar Building Company Limited
Trusted and professional extension builder in SE7. Experienced in all extension buildering work and keeping within budget and on quote. Trafalgar B...
"Loft conversion" - SE7, job posted 11/01/24
£44/hr
£278/day
TA LEE BUILDING SERVICES
TA LEE BUILDING SERVICES is an established extension buildering business in SE7. We come highly recommended and provide competitive quotes for your...
£44/hr
£284/day
Prestige Roofing Limited
Ricky Fuller
Experienced extension builder ready to quote for your work. Prestige Roofing Limited is the best extension builder in SE7. No obligation free quote...
£41/hr
£260/day
Dry Spell Builders
Dry Spell Builders are here to help customers who need an Extension Builder in SE7. We offer a competitive rate to complete all your extension buil...
£44/hr
£275/day
Storeyboard
Storeyboard work on projects of all sizes from outhouses and extensions to full renovations and commercial projects.We offer a complete and bespoke...
£43/hr
£266/day
Storeyboard
Experienced extension builder ready to quote for your work. Storeyboard is the best extension builder in SE7. No obligation free quotes and many ha...
£43/hr
£264/day
JobDone
Need to find an Extension Builder near you for all your extension buildering work?
JobDone provides a local, trusted extension buildering s...
£41/hr
£257/day
Nextbuild
Nextbuild was founded by a team who are passionate about design and construction. We have an eye for detail and a desire for perfection. With almos...
£42/hr
£262/day
Nextbuild
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£42/hr
£260/day
Sterling Pillar
Need to find an Extension Builder near you for all your extension buildering work?
Sterling Pillar provides a local, trusted extension buil...
£46/hr
£283/day
Therusso Limited
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£36/hr
£300/day
H2 Construction Ltd
Need an Extension Builder in SE7? H2 Construction Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many ...
Quickly find an Extension Builder in SE7
Use these steps to find Extension Builders in SE7 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SE7. 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 SE7 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 - £26,128
Garden office - £10,128
Granny annexe - £87,128
Build a flat roof extension - £22,128
Convert a Garage - £16,128
Hip to gable loft conversion - £42,128
Convert a bungalow loft - £29,128
Build a dormer loft conversion - £42,128
Build a swimming pool - £81,128
Build a Mansard loft conversion - £52,128
Concrete foundations - £6,378
Underpin a building - £17,628
Two storey extension - £88,192
Convert a basement - £38,940
Side return extension - £42,940
Loft conversion - £34,950
Garage - £18,628
Single storey extension - £57,560
Outbuilding - £10,128
Install an RSJ - £2,328
Build a kitchen extension - £42,128
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