Build additional living space on your property in ST10

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in ST10?

Granny annexe cost in ST10 - Sort by rates or availability

Asl Contracts

From £86,952

(last active 19/09/26)

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

HMS Property

From £86,648

(last active 04/09/26)

We are a family run firm, established for 25,years

are work is first class

and we are here for any after care

only...

Amberwood Design

From £86,552

(last active 01/09/26)

Trusted and professional extension builder in ST10. Experienced in all extension buildering work and keeping within budget and on quote. Amberwood ...

B B ROOFCARE LTD

From £86,752

(last active 21/08/26)

B B ROOFCARE LTD is a trusted extension builder serving customers in ST10 and the surrounding area. Contact us to today to get a competitive quote ...

D & K BUILDING SERVICES T/A

From £87,096

(last active 21/08/26)

D & K BUILDING SERVICES T/A is an established and experienced local extension builder in ST10. Please contact us for a free, no obligation quote an...

SJF Building Contractors

From £86,736

(last active 21/08/26)

Experienced extension builder ready to quote for your work. SJF Building Contractors is the best extension builder in ST10. No obligation free quot...

A & R Ansell Builders

From £86,672

(last active 04/08/26)

A & R Ansell Builders is a trusted extension builder serving customers in ST10 and the surrounding area. Contact us to today to get a competitive q...

A SHAFI CONSTRUCTION

From £86,680

(last active 04/08/26)

A SHAFI CONSTRUCTION is an established and experienced local extension builder in ST10. Please contact us for a free, no obligation quote and compe...

ANDREWS CONSTRUCTION

From £86,984

(last active 16/07/26)

Experienced extension builder ready to quote for your work. ANDREWS CONSTRUCTION is the best extension builder in ST10. No obligation free quotes a...

DR Plaster

From £86,648

(last active 09/07/26)

Qualified in 'Construction in the built Environment' sub diploma. I've run.my own business ( DR Plaster) for 14 years. Always busy but always frien...

Granny Annexe Cost in ST10

Estimates for granny annexe near ST10

Building a granny annexe ranges from £86,552 (Amberwood Design based in SK11) to £87,096 (D & K BUILDING SERVICES T/A based in ST6), 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 ST10 by posting a job with HaMuch. We will send it to extension builders in ST10 who will be happy to help you.


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Estimates for common extension builder jobs in ST10;

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.

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