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WT Construction Service Ltd
Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...
"Underpinning" - N20, job posted 01/03/26
Pavillion Building Services
Relax... you have found a reliable extension builder in N12. Pavillion Building Services is a friendly and reliable company based in N12 who consid...
"Loft conversion" - N20, job posted 11/01/24
Onyx Iv
Ivaylo Shkodrov
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.
Taylor Construction Services Ltd
Relax... you have found a reliable extension builder in N12. Taylor Construction Services Ltd is a friendly and reliable company based in N12 who c...
Raf's Building Service
Need to find an Extension Builder near you for all your extension buildering work?
Raf's Building Service provides a local, trusted extensi...
DS Construction
Trusted and professional extension builder in N12. Experienced in all extension buildering work and keeping within budget and on quote. DS Construc...
Odp Builders
Need an Extension Builder in N12? Odp Builders has been helping local clients (5 mile radius) with their extension buildering jobs for many years. ...
RF Building Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Homeworks Design & Build Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
D.J Coyle & Co.Ltd
Trusted and professional extension builder in N12. Experienced in all extension buildering work and keeping within budget and on quote. D.J Coyle &...
A Sparky Technical Building Services
Relax... you have found a reliable extension builder in N12. A Sparky Technical Building Services is a friendly and reliable company based in N12 w...
Mansarda Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Mansarda Ltd provides a local, trusted extension builder...
Chelebi Builders
Greater London, N12
Chelebi Builders is a bespoke Build & Design construction company based in North London. Our expertise range from Loft Conversions, Extensions, Hou...
I Builder
I Builder are a well established, reliable and trustworthy company with over twenty years' experience.We are based in Barnet covering Barne...
Gwe construction
Greater London, N12
Trusted and professional extension builder in N12. Experienced in all extension buildering work and keeping within budget and on quote. Gwe constru...
Renova PMC
Renova PMC - bespoke construction, interior designers
Urban Paint + Build
Urban Paint + Build is an established extension buildering business in N12. We come highly recommended and provide competitive quotes for your work...
£47/hr
£294/day
AK Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£38/hr
£243/day
E R Z Building & Repairs Ltd
Zenel Vishaj
We complete extensions to homes, flats, bungalows & apartments these include bedrooms in loft, bathrooms, kitchens, all reception rooms ...
£45/hr
£424/day
Artan Property Services Ltd
Artan Gashi
Trusted and professional extension builder in N12. Experienced in all extension buildering work and keeping within budget and on quote. Artan Prope...
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Use these steps to find Extension Builders in N12 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in N12. 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 N12 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 - £26,208
Garden office - £10,208
Granny annexe - £87,208
Build a flat roof extension - £22,208
Convert a Garage - £16,208
Hip to gable loft conversion - £42,208
Convert a bungalow loft - £29,208
Build a dormer loft conversion - £42,208
Build a swimming pool - £81,208
Build a Mansard loft conversion - £52,208
Concrete foundations - £6,458
Underpin a building - £17,708
Two storey extension - £88,312
Convert a basement - £39,840
Side return extension - £43,840
Loft conversion - £35,700
Garage - £18,708
Single storey extension - £59,160
Outbuilding - £10,208
Install an RSJ - £2,408
Build a kitchen extension - £42,208
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