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DW Building
DW Building is a trusted extension builder serving customers in Enfield and the surrounding area. Contact us to today to get a competitive quote fo...
"Rear dormer loft extension to provide 2 bedrooms and 1 shower room on a semi-detached property in Enfield." - EN2, job posted 15/07/25
Colin Lynch Builders
Need an Extension Builder in Enfield? Colin Lynch Builders has been helping local clients (10 mile radius) with their extension buildering jobs for...
"Rear dormer loft extension to provide 2 bedrooms and 1 shower room on a semi-detached property in Enfield" - EN2, job posted 15/07/25
"Granny annexe" - EN3, job posted 08/03/25
£44/hr
£271/day
B&B London Construction Ltd
Arben Neza (Benny)
Enfield, EN1
We are focused on delivering high quality loft conversions, house extensions, full or partial house refurbishment, also maximising the full potent...
"Loft extension and ground floor extension" - EN2, job posted 04/12/23
£45/hr
£282/day
S E H BUILDERS LTD
Need to find an Extension Builder near you for all your extension buildering work?
S E H BUILDERS LTD provides a local, trusted extension b...
"Groundworkers construction" - N9, job posted 06/09/23
£51/hr
£316/day
United construction group
Relax... you have found a reliable extension builder in Enfield. United construction group is a friendly and reliable company based in Enfield who ...
£49/hr
£305/day
ICB Building and Civil Engineering
Experienced extension builder ready to quote for your work. ICB Building and Civil Engineering is the best extension builder in Enfield. No obligat...
£43/hr
£270/day
NexLevel Contractors Ltd
Nexlevel - An aspiring construction and refurbishment company situated in the London. As a family-run business that is meshed with love, we believe...
£49/hr
£304/day
AL Plumbing & Electrical
Experienced extension builder ready to quote for your work. AL Plumbing & Electrical is the best extension builder in Enfield. No obligation free q...
£46/hr
£293/day
Bzone Builders
Need an Extension Builder in Enfield? Bzone Builders has been helping local clients (10 mile radius) with their extension buildering jobs for many ...
£41/hr
£256/day
Firtree Building Services Ltd
Firtree Building Services Ltd is a trusted extension builder serving customers in Enfield and the surrounding area. Contact us to today to get a co...
£40/hr
£248/day
W-G LOFTS
W-G LOFTS have over 25 years experience in the construction industry we are based in ENFIELD covering all surrounding areasWe manage your l...
£45/hr
£280/day
The Orchid Group
The Orchid Group are here to help customers who need an Extension Builder in Enfield. We offer a competitive rate to complete all your extension bu...
£45/hr
£278/day
SweepSmart
SweepSmart is an established extension buildering business in Enfield. We come highly recommended and provide competitive quotes for your work.
...£39/hr
£248/day
A & R Design
We launched A & R Design as a small, local, family business back in 1996, building on the experience we both already had in design and decoration, ...
£45/hr
£281/day
A & R Design
Trusted and professional extension builder in Enfield. Experienced in all extension buildering work and keeping within budget and on quote. A & R D...
£47/hr
£300/day
Angelo Broccolo
Trusted and professional extension builder in Enfield. Experienced in all extension buildering work and keeping within budget and on quote. Angelo ...
£44/hr
£277/day
Nico Contractors Limited
Need an Extension Builder in Enfield? Nico Contractors Limited has been helping local clients (10 mile radius) with their extension buildering jobs...
£51/hr
£315/day
BHM Developments and Property Management Ltd
BHM Developments and Property Management Ltd is dedicated to providing you with the highest quality of building services available. We carry out ev...
£38/hr
£235/day
Coss Construction Ltd
Need an Extension Builder in Enfield? Coss Construction Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for...
Quickly find an Extension Builder in Enfield
Use these steps to find Extension Builders in Enfield for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Enfield. 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 Enfield Extension Builders or phone them directly - you’re in control!
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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 - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
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