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Pulton Properties
Walton-on-Thames, KT12
Trusted and professional extension builder in KT12. Experienced in all extension buildering work and keeping within budget and on quote. Pulton Pro...
S T Builders
S T Builders is an established extension buildering business in KT12. We come highly recommended and provide competitive quotes for your work.
...AMD Building Services
Experienced extension builder ready to quote for your work. AMD Building Services is the best extension builder in KT12. No obligation free quotes ...
From £87,208
G.M Dowling & Son
With over 50 years experience, G.M. Dowling & Son offer the highest standard in building services.The family run business, headed up by father and ...
From £87,080
H Vincent Roofing & New UPVC
Walton, KT12
Need an Extension Builder in KT12? H Vincent Roofing & New UPVC has been helping local clients (10 mile radius) with their extension buildering job...
From £87,408
Curtis Conversions Ltd
Curtis Conversions Ltd is an established and experienced local extension builder in KT12. Please contact us for a free, no obligation quote and com...
From £86,968
Built in Time Developments Ltd
Robert Ceausu
Need to find an Extension Builder near you for all your extension buildering work?
Built in Time Developments Ltd provides a local, trusted...
From £86,968
Surrey Hills Extend and Renovate Limited
Lee Taylor
At Surrey Hills Extend & Renovate we promise Quality and Craftsmanship. We take pride in delivering superior quality in every detail of our work, e...
From £87,240
TIMBERED BUILDING SERVICES
Walton-on-Thames, KT12
Trusted and professional extension builder in KT12. Experienced in all extension buildering work and keeping within budget and on quote. TIMBERED B...
From £87,152
DITTON CONSTRUCTION LIMITED
Brian Pearson
DITTON CONSTRUCTION LIMITED is an established extension buildering business in KT12. We come highly recommended and provide competitive quotes for ...
Granny Annexe Cost in KT12
Building a granny annexe ranges from £86,968 (Built in Time Developments Ltd based in KT8) to £87,408 (Curtis Conversions Ltd based in KT10), 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 KT12 by posting a job with HaMuch. We will send it to extension builders in KT12 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 KT12;
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 - £17,656
Two storey extension - £88,234
Build a timber frame extension - £26,156
Build a swimming pool - £81,156
Single storey extension - £58,120
Side return extension - £43,255
Install an RSJ - £2,356
Outbuilding - £10,156
Build a Mansard loft conversion - £52,156
Loft conversion - £35,213
Build a kitchen extension - £42,156
Hip to gable loft conversion - £42,156
Granny annexe - £87,156
Garden office - £10,156
Convert a Garage - £16,156
Garage - £18,656
Build a flat roof extension - £22,156
Build a dormer loft conversion - £42,156
Concrete foundations - £6,406
Convert a bungalow loft - £29,156
Convert a basement - £39,255