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Propello
Ali Alagoz
Propello is an established and experienced local extension builder in N18. Please contact us for a free, no obligation quote and competitive rates...
"Single storey extension" - N17, job posted 28/09/26
MEGABUILD LTD
MEGABUILD LTD is a trusted extension builder serving customers in N18 and the surrounding area. Contact us to today to get a competitive quote for ...
"Groundworkers construction" - N9, job posted 06/09/23
Best Builders
Upper Edmonton, N18
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
GG CONSTRUCTION LTD
GG CONSTRUCTION LTD is a trusted extension builder serving customers in N18 and the surrounding area. Contact us to today to get a competitive quot...
The00Company Ltd
Homeowners look no further if you want a qualified extension builder to work in your home. The00Company Ltd are tidy and neat, providing a quality ...
Fine Loft Construction
Fine Loft Construction are here to help customers who need an Extension Builder in N18. We offer a competitive rate to complete all your extension ...
KJV CONSTRUCTION LTD
KJV CONSTRUCTION LTD is an established and experienced local extension builder in N18. Please contact us for a free, no obligation quote and compet...
Abarth Construction Ltd
We are an experienced team dedicated to designing property in a way that is both beautiful and practical. For most people buying a property is an e...
£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...
£48/hr
£301/day
PonariBuilders Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£47/hr
£301/day
K J B Loft Conversions & Extensions
K J B Loft Conversions & Extensions is a trusted extension builder serving customers in N18 and the surrounding area. Contact us to today to get a ...
£36/hr
£265/day
Acacia Gardens Ltd
Acacia Gardens Ltd are here to help customers who need an Extension Builder in N18. We offer a competitive rate to complete all your extension buil...
£48/hr
£299/day
PS Contractors
PS Contractors is an established and experienced local extension builder in N18. Please contact us for a free, no obligation quote and competitive ...
£48/hr
£297/day
Eckford Chong Design
Eckford Chong Design is an established and experienced local extension builder in N18. Please contact us for a free, no obligation quote and compet...
£41/hr
£262/day
Deltx Ltd
Deltx Building Services is a well established company based in North London. We take pride in high quality craftsmanship and professional installat...
£45/hr
£280/day
JMP Contractors & Engineers
JMP Contractors & Engineers are here to help customers who need an Extension Builder in N18. We offer a competitive rate to complete all your exten...
£44/hr
£275/day
R&S services Ltd
Experienced extension builder ready to quote for your work. R&S services Ltd is the best extension builder in N18. No obligation free quotes and ma...
£41/hr
£256/day
By Design London Ltd
By Design London Ltd are here to help customers who need an Extension Builder in N18. We offer a competitive rate to complete all your extension bu...
Quickly find an Extension Builder in N18
Use these steps to find Extension Builders in N18 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in N18. 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 N18 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 - £26,224
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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