From £9,976
A to Z Builders Ltd are here to help customers who need an Extension Builder in Houses Of Parliament. We offer a competitive rate to complete all y...
From £10,256
F & F Building Services is an established extension buildering business in Houses Of Parliament. We come highly recommended and provide competitive...
From £9,992
Relax... you have found a reliable extension builder in Houses Of Parliament. London Projects Ltd is a friendly and reliable company based in House...
From £8,208
Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...
From £10,320
Cliden Construction (London) is a trusted extension builder serving customers in Houses Of Parliament and the surrounding area. Contact us to today...
From £10,336
Luxury Movement is an established extension buildering business in Houses Of Parliament. We come highly recommended and provide competitive quotes ...
From £10,504
Welcome to Adamko Interiors Ltd. We specialize in customized interior design solutions, prioritizing customer satisfaction and creating safe, comfo...
From £10,352
Experienced extension builder ready to quote for your work. Mayfair Design is the best extension builder in Houses Of Parliament. No obligation fre...
From £10,384
Experienced extension builder ready to quote for your work. Future Homes Design and Build is the best extension builder in Houses Of Parliament. No...
From £10,104
Trusted and professional extension builder in Houses Of Parliament. Experienced in all extension buildering work and keeping within budget and on q...

Garden offices range from the cheapest of £8,208 (London Design And Build based in SW1A) to the dearest of £10,504 (Adamko Dry Lining London based in WC2N), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Houses Of Parliament by posting a job with HaMuch. We'll send it to extension builders in Houses Of Parliament.
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 - £17,543

Two storey extension - £88,065

Build a timber frame extension - £26,043

Build a swimming pool - £81,043

Single storey extension - £55,864

Side return extension - £41,986

Install an RSJ - £2,243

Outbuilding - £10,043

Build a Mansard loft conversion - £52,043

Loft conversion - £34,155

Build a kitchen extension - £42,043

Hip to gable loft conversion - £42,043

Granny annexe - £87,043

Garden office - £10,043

Convert a Garage - £16,043

Garage - £18,543

Build a flat roof extension - £22,043

Build a dormer loft conversion - £42,043

Concrete foundations - £6,293

Convert a bungalow loft - £29,043

Convert a basement - £37,986