From £31,500
Chertsey, KT16
We are a company based in South London, with a strong will to work and to do the best job possible every tine we start a job (big or small) because...
From £36,525
Relax... you have found a reliable extension builder in KT16. London Rated Roofing is a friendly and reliable company based in KT16 who consider no...
From £30,675
Chertsey, KT16
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £33,825
Need to find an Extension Builder near you for all your extension buildering work?
GS Wood Building Services provides a local, trusted exte...
From £35,025
EcoWoodDesign are here to help customers who need an Extension Builder in KT16. We offer a competitive rate to complete all your extension builderi...
From £38,100
Kandy Build and Construction Ltd is an established extension buildering business in KT16. We come highly recommended and provide competitive quotes...
From £37,650
Need to find an Extension Builder near you for all your extension buildering work?
Tolwey provides a local, trusted extension buildering se...
From £34,500
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £34,500
General Building, Landscaping and Driveway Specialists. Some of the tasks we complete tasks such as refurbishments, extensions and conversions to d...
From £36,675
From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...

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 KT16 by posting your job to extension builders in KT16.
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 - £17,622

Two storey extension - £88,184

Build a timber frame extension - £26,122

Build a swimming pool - £81,122

Single storey extension - £57,448

Side return extension - £42,877

Install an RSJ - £2,322

Outbuilding - £10,122

Build a Mansard loft conversion - £52,122

Loft conversion - £34,898

Build a kitchen extension - £42,122

Hip to gable loft conversion - £42,122

Granny annexe - £87,122

Garden office - £10,122

Convert a Garage - £16,122

Garage - £18,622

Build a flat roof extension - £22,122

Build a dormer loft conversion - £42,122

Concrete foundations - £6,372

Convert a bungalow loft - £29,122

Convert a basement - £38,877