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Lp Townsend Brickwork
Lee Townsend
Need to find an Extension Builder near you for all your extension buildering work?
Lp Townsend Brickwork provides a local, trusted extensio...
GDW Construction
Relax... you have found a reliable extension builder in London. GDW Construction is a friendly and reliable company based in London who consider no...
OAK HOUSE BESPOKE BUILDERS
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
SDS Constructions
Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
Optimus Build Solutions
Vasile Boghean
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
SC General Builders Ltd
SC General Builders Ltd are here to help customers who need an Extension Builder in London. We offer a competitive rate to complete all your extens...
Mandala Building Services
Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
J&J Building Solutions
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in London. No obligation free quot...
Bspec Ltd
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
Granny Annexe Cost in London
Building a granny annexe ranges from £86,920 (Lp Townsend Brickwork based in SL2) to £88,232 (Optimus Build Solutions based in Rm1), 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 London by posting a job with HaMuch. We will send it to extension builders in London who will be happy to help you.
- How much does a granny annexe cost to build in the UK?
- What is a granny annexe?
- How big can a granny annexe be?
- How to get planning permission for a granny annexe
- What is the granny annexe tax loophole?
- Does an annexe increase council tax?
- Do you need planning permission to convert a garage into a granny flat?
- Can you claim VAT back on a granny annexe?
- Can I let out my granny annexe?
- Does an annexe increase property value?
- Can a granny annexe be sold separately?
- Do you have to pay stamp duty on an annexe?
Get extension builder rates instantly
Estimates for common extension builder jobs in London;
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 - £17,926
Two storey extension - £88,638
Build a timber frame extension - £26,426
Build a swimming pool - £81,426
Single storey extension - £63,512
Side return extension - £46,288
Install an RSJ - £2,626
Outbuilding - £10,426
Build a Mansard loft conversion - £52,426
Loft conversion - £37,740
Build a kitchen extension - £42,426
Hip to gable loft conversion - £42,426
Granny annexe - £87,426
Garden office - £10,426
Convert a Garage - £16,426
Garage - £18,926
Build a flat roof extension - £22,426
Build a dormer loft conversion - £42,426
Concrete foundations - £6,676
Convert a bungalow loft - £29,426
Convert a basement - £42,288