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Render
Experienced extension builder ready to quote for your work. Render is the best extension builder in IG2. No obligation free quotes and many happy c...
Decorating Building Service
Decorating Building Service are here to help customers who need an Extension Builder in IG2. We offer a competitive rate to complete all your exten...
From £35,400
Fedora and sons Ltd
MIHAI Martolea
Member since September 2026
Fedora and sons Ltd is a trusted extension builder serving customers in IG2 and the surrounding area. Contact us to today to get a competitive quot...
MD Building & Project Management Ltd
Need an Extension Builder in IG2? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension builder...
M & S Builders
M & S Builders is a trusted extension builder serving customers in IG2 and the surrounding area. Contact us to today to get a competitive quote for...
B J CULLEN BUILDERS
B J CULLEN BUILDERS are here to help customers who need an Extension Builder in IG2. We offer a competitive rate to complete all your extension bui...
Major Building Contractors Ltd
Relax... you have found a reliable extension builder in IG2. Major Building Contractors Ltd is a friendly and reliable company based in IG2 who con...
Sz Builders
Need to find an Extension Builder near you for all your extension buildering work?
Sz Builders provides a local, trusted extension builderi...
Jhon
Experienced extension builder ready to quote for your work. Jhon is the best extension builder in IG2. No obligation free quotes and many happy cus...
CREATIVE BUILDING SOLUTIONS
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Cheapest builders for loft conversion in IG2
Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in IG2 by posting your job to extension builders in IG2.
"Loft conversion" - SEVEN KINGS, job posted 01/01/70
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Estimates for common extension builder jobs in IG2;
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 - £17,671
Two storey extension - £88,257
Build a timber frame extension - £26,171
Build a swimming pool - £81,171
Single storey extension - £58,424
Side return extension - £43,426
Install an RSJ - £2,371
Outbuilding - £10,171
Build a Mansard loft conversion - £52,171
Loft conversion - £35,355
Build a kitchen extension - £42,171
Hip to gable loft conversion - £42,171
Granny annexe - £87,171
Garden office - £10,171
Convert a Garage - £16,171
Garage - £18,671
Build a flat roof extension - £22,171
Build a dormer loft conversion - £42,171
Concrete foundations - £6,421
Convert a bungalow loft - £29,171
Convert a basement - £39,426