Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Morden. No obligation free quot...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Morden. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buil...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Homeowners look no further if you want a qualified extension builder to work in your home. LCD Pixel Construction Ltd are tidy and neat, providing ...
Trusted and professional extension builder in Morden. Experienced in all extension buildering work and keeping within budget and on quote. Sonik Bu...
Renaissance Timothy Brewer Ltd is an established extension buildering business in Morden. We come highly recommended and provide competitive quotes...
QSA Builders Ltd are here to help customers who need an Extension Builder in Morden. We offer a competitive rate to complete all your extension bui...
Langston Builders is a trusted extension builder serving customers in Morden and the surrounding area. Contact us to today to get a competitive quo...

Building a granny annexe ranges from £86,936 (Masters Property Services based in SM5) to £87,504 (CSJ Building Services based in SM1), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Morden by posting a job with HaMuch. We will send it to extension builders in Morden who will be happy to help you.
| Borough in London |
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| Granny Annexe in Morden |
| Granny Annexe in North Cheam |
| Granny Annexe in Merton |
| Granny Annexe in Sutton |
| Granny Annexe in Merton |
| Granny Annexe in Wimbledon |
| Granny Annexe in Worcester Park |
| Granny Annexe in Carshalton |
| Granny Annexe in New Malden |
| Granny Annexe in Belmont |
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 - £17,675

Two storey extension - £88,263

Build a timber frame extension - £26,175

Build a swimming pool - £81,175

Single storey extension - £58,504

Side return extension - £43,471

Install an RSJ - £2,375

Outbuilding - £10,175

Build a Mansard loft conversion - £52,175

Loft conversion - £35,393

Build a kitchen extension - £42,175

Hip to gable loft conversion - £42,175

Granny annexe - £87,175

Garden office - £10,175

Convert a Garage - £16,175

Garage - £18,675

Build a flat roof extension - £22,175

Build a dormer loft conversion - £42,175

Concrete foundations - £6,425

Convert a bungalow loft - £29,175

Convert a basement - £39,471