From £88,072
London, E17
Flow-Right Construction is an established extension buildering business in E17. We come highly recommended and provide competitive quotes for your ...
From £87,916
Italian Home Renovation are here to help customers who need an Extension Builder in E17. We offer a competitive rate to complete all your extension...
From £88,732
London, E17
Specialized in advising and implement the choices of the most demanding customers. From inerior design with also crafted tailored solutions and the...
From £88,072
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,204
London Airports Taxi are here to help customers who need an Extension Builder in E17. We offer a competitive rate to complete all your extension bu...
From £89,968
Walthamstow, E17
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £91,204
We are one of the leading specialists company in London and we believe in providing a wide range of services to many of our clients. We have extens...
From £88,096
Essex, E17
Gold & Berg are a London-based, international construction services company and are a leading builder in diverse market segments. The company has e...
From £88,324
Relax... you have found a reliable extension builder in E17. Amwell Construction Ltd is a friendly and reliable company based in E17 who consider n...

Costs range from £87,916 (Italian Home Renovation based in e17) to £91,204 (Iservices-uk Ltd based in E17), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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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 - £17,938

Two storey extension - £88,658

Build a timber frame extension - £26,438

Build a swimming pool - £81,438

Single storey extension - £63,768

Side return extension - £46,432

Install an RSJ - £2,638

Outbuilding - £10,438

Build a Mansard loft conversion - £52,438

Loft conversion - £37,860

Build a kitchen extension - £42,438

Hip to gable loft conversion - £42,438

Granny annexe - £87,438

Garden office - £10,438

Convert a Garage - £16,438

Garage - £18,938

Build a flat roof extension - £22,438

Build a dormer loft conversion - £42,438

Concrete foundations - £6,688

Convert a bungalow loft - £29,438

Convert a basement - £42,432