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AM Builder
Trusted and professional extension builder in Blackheath. Experienced in all extension buildering work and keeping within budget and on quote. AM B...
"Convert a Garage" - SE13, job posted 14/09/26
Jmc buildets
Jay Christenson
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in Blackheath. No obligation free quotes and...
"Dormer loft conversion" - SE3, job posted 30/08/25
RLD Contractors Ltd
RLD Contractors Ltd is an established and experienced local extension builder in Blackheath. Please contact us for a free, no obligation quote and ...
"Loft conversion" - SE3, job posted 18/03/24
Rapid Bee Ltd
Rapid Bee Ltd is an established extension buildering business in Blackheath. We come highly recommended and provide competitive quotes for your wor...
"Loft conversion" - SE7, job posted 11/01/24
Hartigans Construction
Andy Hart
Need to find an Extension Builder near you for all your extension buildering work?
Hartigans Construction provides a local, trusted extensi...
S G Painting Contractor Ltd
Relax... you have found a reliable extension builder in Blackheath. S G Painting Contractor Ltd is a friendly and reliable company based in Blackhe...
JEM BUILDING CONTRACTORS LTD
Need to find an Extension Builder near you for all your extension buildering work?
JEM BUILDING CONTRACTORS LTD provides a local, trusted e...
£38/hr
£240/day
Trafalgar Building Company Limited
Trusted and professional extension builder in Blackheath. Experienced in all extension buildering work and keeping within budget and on quote. Traf...
£44/hr
£278/day
TA LEE BUILDING SERVICES
TA LEE BUILDING SERVICES is an established extension buildering business in Blackheath. We come highly recommended and provide competitive quotes f...
£46/hr
£288/day
GREENWICH CONSTRUCTION
Relax... you have found a reliable extension builder in Blackheath. GREENWICH CONSTRUCTION is a friendly and reliable company based in Blackheath w...
£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 Blackheath. No obligation fre...
£45/hr
£280/day
TP Building & Development Services Ltd
TP Building & Development Services Ltd is an established and experienced local extension builder in Blackheath. Please contact us for a free, no ob...
£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...
£37/hr
£235/day
QUAYSTONE CONSTRUCTION LIMITED
Need to find an Extension Builder near you for all your extension buildering work?
QUAYSTONE CONSTRUCTION LIMITED provides a local, trusted...
£36/hr
£300/day
H2 Construction Ltd
Need an Extension Builder in Blackheath? H2 Construction Ltd has been helping local clients (5 mile radius) with their extension buildering jobs fo...
£39/hr
£245/day
Color Revolution Limited
Color Revolution Ltd serving clients in London and surrounding areas providing highest standard renovation services for domestic clients.We are bu...
£41/hr
£255/day
Dule Vida Property Design Ltd
Dule Vida Property Design Ltd is a trusted extension builder serving customers in Blackheath and the surrounding area. Contact us to today to get a...
£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 Blackheath. No obligation free quotes and ...
£44/hr
£277/day
Demiri Builder Ltd
Our building services company Demiri Builder Ltd has 15 years’ experience in the industry. We have been helping customers in Lewisham and the sur...
Quickly find an Extension Builder in Blackheath
Use these steps to find Extension Builders in Blackheath for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Blackheath. 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 Blackheath 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 - £26,112
Garden office - £10,112
Granny annexe - £87,112
Build a flat roof extension - £22,112
Convert a Garage - £16,112
Hip to gable loft conversion - £42,112
Convert a bungalow loft - £29,112
Build a dormer loft conversion - £42,112
Build a swimming pool - £81,112
Build a Mansard loft conversion - £52,112
Concrete foundations - £6,362
Underpin a building - £17,612
Two storey extension - £88,168
Convert a basement - £38,760
Side return extension - £42,760
Loft conversion - £34,800
Garage - £18,612
Single storey extension - £57,240
Outbuilding - £10,112
Install an RSJ - £2,312
Build a kitchen extension - £42,112
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