Build additional living space on your property in SS1

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 SS1?

Granny annexe cost in SS1 - Sort by rates or availability

CIA Construction Limited

From £86,880

(last active 02/10/26)

Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in SS1. No obligation free quote...

Ellis & James Builders Limited

From £87,360

(last active 02/10/26)

Need an Extension Builder in SS1? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering jo...

Thoroughbuild UK Services Ltd

From £87,008

(last active 02/10/26)

Over 35 years experience 

We are Gas Safe registered 

We are Verified

We pride ourselves on great custom...

M&J Brickwork Ltd

From £87,240

(last active 25/09/26)

M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...

Witton & Pearce Builders in Essex

From £87,176

(last active 19/09/26)

Witton & Pearce Builders in Essex is a trusted extension builder serving customers in SS1 and the surrounding area. Contact us to today to get a co...

Capital Roofing Ltd

From £86,456

(last active 19/09/26)

Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in SS1. No obligation free quotes and...

P OUGHTON BUILDING

From £87,272

(last active 19/09/26)

P OUGHTON BUILDING is an established and experienced local extension builder in SS1. Please contact us for a free, no obligation quote and competit...

Property Maintenance

From £87,160

(last active 19/09/26)

Property Maintenance are here to help customers who need an Extension Builder in SS1. We offer a competitive rate to complete all your extension bu...

S MEGSON CONSTRUCTION

From £86,056

(last active 19/09/26)

35 years in the trade can Lay bricks plaster roofing wall and floor tiling

JLS Building Services

From £86,720

(last active 04/09/26)

Need to find an Extension Builder near you for all your extension buildering work?

JLS Building Services provides a local, trusted extensio...

Granny Annexe Cost in SS1

Estimates for granny annexe near SS1

Building a granny annexe ranges from £86,056 (S MEGSON CONSTRUCTION based in CT5) to £87,360 (Ellis & James Builders Limited based in SS17), 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 SS1 by posting a job with HaMuch. We will send it to extension builders in SS1 who will be happy to help you.


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Estimates for common extension builder jobs in SS1;

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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