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SJ Expert Building Services
Muswell Hill, N10
SJ Expert Building Services are here to help customers who need an Extension Builder in N10. We offer a competitive rate to complete all your exten...
"Underpin a building" - N10, job posted 26/08/26
Bellator Construction Ltd
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
"Small kitchen extension into garden." - N22, job posted 07/02/26
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...
"Basement conversion" - N6, job posted 16/10/23
Onyx Iv
Ivaylo Shkodrov
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.
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...
Elmfield Property Services
Need to find an Extension Builder near you for all your extension buildering work?
Elmfield Property Services provides a local, trusted ext...
A K Decoration & Building Serv
Need an Extension Builder in N10? A K Decoration & Building Serv has been helping local clients (5 mile radius) with their extension buildering job...
Chelebi Builders
Chelebi Builders is a bespoke Build & Design construction company based in North London. Our expertise range from Loft Conversions, Extensions, Hou...
Gwe construction
Trusted and professional extension builder in N10. 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 N10. We come highly recommended and provide competitive quotes for your work...
London Metropolitan Construction Ltd
London Metropolitan Construction Ltd is and property refurbishment and renovation company based and operating throughout London undertaking new bui...
AF Builders & Decorators Ltd
Our building services company AF Builders & Decorators Ltd has 20 years of experience in the industry. Since then we have been helping customers in...
£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 ...
£38/hr
£240/day
OAKWOOD CONSTRUCTION UK LTD
Need to find an Extension Builder near you for all your extension buildering work?
OAKWOOD CONSTRUCTION UK LTD provides a local, trusted ex...
£45/hr
£282/day
PLAN C - Design. Build. Create
Greater London, N10
Relax... you have found a reliable extension builder in N10. PLAN C - Design. Build. Create is a friendly and reliable company based in N10 who co...
£46/hr
£289/day
PLAN C - Design. Build. Create
We are builders with a difference.We are proud to be a family business. Brothers Pierre and Christian Carboni established PLAN C in 2011, having pr...
£46/hr
£288/day
N10 Building Contractors Ltd
Muswell Hill, N10
N10 Building Contractors Ltd are here to help customers who need an Extension Builder in N10. We offer a competitive rate to complete all your exte...
£41/hr
£253/day
Ally Electrical Services Ltd
Need an Extension Builder in N10? Ally Electrical Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs ...
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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 N10. 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 N10 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 - £26,160
Garden office - £10,160
Granny annexe - £87,160
Build a flat roof extension - £22,160
Convert a Garage - £16,160
Hip to gable loft conversion - £42,160
Convert a bungalow loft - £29,160
Build a dormer loft conversion - £42,160
Build a swimming pool - £81,160
Build a Mansard loft conversion - £52,160
Concrete foundations - £6,410
Underpin a building - £17,660
Two storey extension - £88,240
Convert a basement - £39,300
Side return extension - £43,300
Loft conversion - £35,250
Garage - £18,660
Single storey extension - £58,200
Outbuilding - £10,160
Install an RSJ - £2,360
Build a kitchen extension - £42,160
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