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R Tredget & Son
Kent, DA15
R Tredget & Son are here to help customers who need an Extension Builder in DA15. We offer a competitive rate to complete all your extension builde...
"Loft conversion" - DA16, job posted 08/03/26
HOUSE BUILDING SERVICES LIMITED
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in DA15 and the surrounding area. Contact us to today to get a com...
"Outbuilding" - SIDCUP, job posted 12/11/25
Lover Build
Lover Build is an established and experienced local extension builder in DA15. Please contact us for a free, no obligation quote and competitive ra...
"Single storey extension" - DA15, job posted 20/05/25
AMJAC CONSTRUCTION LTD
Need to find an Extension Builder near you for all your extension buildering work?
AMJAC CONSTRUCTION LTD provides a local, trusted extensi...
"Underpinning" - BEXLEY, job posted 10/03/25
Pro-Tec Roofing & Building Services Ltd
KENT, DA15
Pro-Tec Roofing & Building Services Ltd is an established and experienced local extension builder in DA15. Please contact us for a free, no obligat...
"Dormer loft conversion" - SE9, job posted 24/02/25
Neris Building Solutions Ltd.
Neris Building Solutions specialising in building of loft conversions, home extensions and home refurbishments.
"RSJ installation - check if we need one installed" - ELTHAM, job posted 06/01/25
Direct Roofing
Sidcup, DA15
Direct Roofing is an established and experienced local extension builder in DA15. Please contact us for a free, no obligation quote and competitive...
"Side return extension" - DA16, job posted 05/10/24
PARAMOUNT CONSTRUCTION (UK)
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Kitchen extension" - WELLING, job posted 24/09/24
Altash Building Services
Experienced extension builder ready to quote for your work. Altash Building Services is the best extension builder in DA15. No obligation free quot...
Self employer
Darius Kudzevicius
Trusted and professional extension builder in DA15. Experienced in all extension buildering work and keeping within budget and on quote. Self emplo...
£41/hr
£257/day
Sunny Build Ltd
Sunny Build Ltd is an established and experienced local extension builder in DA15. Please contact us for a free, no obligation quote and competitiv...
£37/hr
£237/day
Inspired Building Projects Limited
Need an Extension Builder in DA15? Inspired Building Projects Limited has been helping local clients (10 mile radius) with their extension builderi...
£41/hr
£254/day
T L CONSTRUCTION
Trusted and professional extension builder in DA15. Experienced in all extension buildering work and keeping within budget and on quote. T L CONSTR...
£42/hr
£261/day
SE One Builders Ltd
Our building services company SE One Builders Ltd was established in 1992. Since then, we have been helping customers in Chislehurst and the surrou...
£43/hr
£272/day
TDR Property Maintenance
Tony Renouf
We are TDR Property Maintenance, a business that takes great pride in our work.
(Price Work Only)
Services We Cover:
...£38/hr
£236/day
Montrose Builders Ltd
Need an Extension Builder in DA15? Montrose Builders Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for m...
£40/hr
£252/day
Belmont Building Company Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Belmont Building Company Ltd provides a local, trusted e...
£47/hr
£291/day
BELMONT BUILDING COMPANY LTD
Trusted and professional extension builder in DA15. Experienced in all extension buildering work and keeping within budget and on quote. BELMONT BU...
£39/hr
£240/day
All Division Building Ltd - Refurbishment Specialists
Joe .
Experienced extension builder ready to quote for your work. All Division Building Ltd - Refurbishment Specialists is the best extension builder in ...
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Use these steps to find Extension Builders in DA15 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in DA15. 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 DA15 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 - £26,080
Garden office - £10,080
Granny annexe - £87,080
Build a flat roof extension - £22,080
Convert a Garage - £16,080
Hip to gable loft conversion - £42,080
Convert a bungalow loft - £29,080
Build a dormer loft conversion - £42,080
Build a swimming pool - £81,080
Build a Mansard loft conversion - £52,080
Concrete foundations - £6,330
Underpin a building - £17,580
Two storey extension - £88,120
Convert a basement - £38,400
Side return extension - £42,400
Loft conversion - £34,500
Garage - £18,580
Single storey extension - £56,600
Outbuilding - £10,080
Install an RSJ - £2,280
Build a kitchen extension - £42,080
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