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Best Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Loft and Teams Ltd
Sajmar Metali
Loft and Teams Ltd is an established extension buildering business in N9. We come highly recommended and provide competitive quotes for your work.<...
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...
From £29,168
B&B London Construction Ltd
Arben Neza (Benny)
We are focused on delivering high quality loft conversions, house extensions, full or partial house refurbishment, also maximising the full potent...
From £29,256
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...
From £29,528
United construction group
Relax... you have found a reliable extension builder in N9. United construction group is a friendly and reliable company based in N9 who consider n...
From £29,160
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...
From £29,408
PonariBuilders Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £29,408
K J B Loft Conversions & Extensions
K J B Loft Conversions & Extensions is a trusted extension builder serving customers in N9 and the surrounding area. Contact us to today to get a c...
Bungalow Loft Conversion Cost in N9
In N9, bungalow loft conversions range from the cheapest of £28,984 (Abarth Construction Ltd based in N18) to the dearest of £29,528 (United construction group based in EN3), but the best way to get accurate prices is to get quotes.
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Estimates for common extension builder jobs in N9;
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.
Underpin a building - £17,750
Two storey extension - £88,376
Build a timber frame extension - £26,250
Build a swimming pool - £81,250
Single storey extension - £60,008
Side return extension - £44,317
Install an RSJ - £2,450
Outbuilding - £10,250
Build a Mansard loft conversion - £52,250
Loft conversion - £36,098
Build a kitchen extension - £42,250
Hip to gable loft conversion - £42,250
Granny annexe - £87,250
Garden office - £10,250
Convert a Garage - £16,250
Garage - £18,750
Build a flat roof extension - £22,250
Build a dormer loft conversion - £42,250
Concrete foundations - £6,500
Convert a bungalow loft - £29,250
Convert a basement - £40,317