From £35,700
Stratford, E15
Trusted and professional extension builder in E15. Experienced in all extension buildering work and keeping within budget and on quote. GNB Constru...
From £37,050
Sequoia Homes Ltd is a trusted extension builder serving customers in E15 and the surrounding area. Contact us to today to get a competitive quote ...
From £32,850
Stratford, E15
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £38,700
Matt Contractor are masters of high-end full refurbishments, conversions, kitchen design and extensions. Each customer is treated personally with a...
From £38,700
Somerset, E15
Need an Extension Builder in E15? Nicholas has been helping local clients (5 mile radius) with their extension buildering jobs for many years. Get ...
From £37,050
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £36,150
Stratford, E15
KAROL OMILIAN BUILDING SERVICE is a trusted extension builder serving customers in E15 and the surrounding area. Contact us to today to get a compe...
From £33,300
Hudson Bespoke Buildings is a trusted extension builder serving customers in E15 and the surrounding area. Contact us to today to get a competitive...
From £37,200
Need to find an Extension Builder near you for all your extension buildering work?
Plumberrubs provides a local, trusted extension builderi...
From £35,475
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in E15. No obligation free quotes and m...

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 E15 by posting your job to extension builders in E15.
"Loft conversion of a semi-detached house, E15 2AT Hip to Gable Conversion + Rear Dormer Bedroom / Bathroom combination Thus need plumbling and electricity" - E15, job posted 03/08/24
"Loft conversion" - E15, job posted 03/08/24
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 - £17,763

Two storey extension - £88,395

Build a timber frame extension - £26,263

Build a swimming pool - £81,263

Single storey extension - £60,264

Side return extension - £44,461

Install an RSJ - £2,463

Outbuilding - £10,263

Build a Mansard loft conversion - £52,263

Loft conversion - £36,218

Build a kitchen extension - £42,263

Hip to gable loft conversion - £42,263

Granny annexe - £87,263

Garden office - £10,263

Convert a Garage - £16,263

Garage - £18,763

Build a flat roof extension - £22,263

Build a dormer loft conversion - £42,263

Concrete foundations - £6,513

Convert a bungalow loft - £29,263

Convert a basement - £40,461