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Relax... you have found a reliable extension builder in Wealdstone. L H Builders is a friendly and reliable company based in Wealdstone who conside...
Need to find an Extension Builder near you for all your extension buildering work?
Fitz Building Services Limited provides a local, trusted...
EDGWARE BUILDER are here to help customers who need an Extension Builder in Wealdstone. We offer a competitive rate to complete all your extension ...
HARLEY BUILDING SERVICES LTD are here to help customers who need an Extension Builder in Wealdstone. We offer a competitive rate to complete all yo...
D Bradshaw Building Renovation is a trusted extension builder serving customers in Wealdstone and the surrounding area. Contact us to today to get ...
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in Wealdstone. Please contact us for a free, no obligation quote an...
Mario Prajar Building Services is an established and experienced local extension builder in Wealdstone. Please contact us for a free, no obligation...
RLC Construction are here to help customers who need an Extension Builder in Wealdstone. We offer a competitive rate to complete all your extension...
Relax... you have found a reliable extension builder in Wealdstone. Building Service and Support Ltd is a friendly and reliable company based in We...
Ciaran Feeney
Need to find an Extension Builder near you for all your extension buildering work?
COMPLETE CIVIL ENGINEERING provides a local, trusted ext...

Building a granny annexe ranges from £86,960 (HARLEY BUILDING SERVICES LTD based in NW9) to £87,440 (COMPLETE CIVIL ENGINEERING based in HA8), 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 Wealdstone by posting a job with HaMuch. We will send it to extension builders in Wealdstone who will be happy to help you.
| Borough in London |
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| Granny Annexe in Wealdstone |
| Granny Annexe in Harrow |
| Granny Annexe in Stanmore |
| Granny Annexe in Rayners Lane |
| Granny Annexe in Edgware |
| Granny Annexe in Wembley |
| Granny Annexe in Pinner |
| Granny Annexe in Colindale |
| Granny Annexe in Sudbury |
| Granny Annexe in Greenford |
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 - £17,646

Two storey extension - £88,218

Build a timber frame extension - £26,146

Build a swimming pool - £81,146

Single storey extension - £57,912

Side return extension - £43,138

Install an RSJ - £2,346

Outbuilding - £10,146

Build a Mansard loft conversion - £52,146

Loft conversion - £35,115

Build a kitchen extension - £42,146

Hip to gable loft conversion - £42,146

Granny annexe - £87,146

Garden office - £10,146

Convert a Garage - £16,146

Garage - £18,646

Build a flat roof extension - £22,146

Build a dormer loft conversion - £42,146

Concrete foundations - £6,396

Convert a bungalow loft - £29,146

Convert a basement - £39,138