Build additional living space on your property in St Mary In The Marsh

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 St Mary In The Marsh?

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Granny annexe cost in St Mary In The Marsh

A-Pex Building

From £86,368

(last active 19/09/26)

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

A-Pex Building provides a local, trusted extension build...

Clint Construction

From £87,176

(last active 13/09/26)

Relax... you have found a reliable extension builder in St Mary In The Marsh. Clint Construction is a friendly and reliable company based in St Mar...

Fast Affordable Builders

From £87,096

(last active 13/08/26)

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

Fast Affordable Builders provides a local, trusted exten...

LEVEL CONSTRUCTION

From £86,816

(last active 09/08/26)

Relax... you have found a reliable extension builder in St Mary In The Marsh. LEVEL CONSTRUCTION is a friendly and reliable company based in St Ma...

THE EAST CLIFF BUILDING CO LTD

From £86,936

(last active 09/08/26)

Experienced extension builder ready to quote for your work. THE EAST CLIFF BUILDING CO LTD is the best extension builder in St Mary In The Marsh. N...

M LONG T/A MJ BUILDINGS

From £86,736

(last active 09/08/26)

Need an Extension Builder in St Mary In The Marsh? M LONG T/A MJ BUILDINGS has been helping local clients (20 mile radius) with their extension bui...

Cranwells Construction

From £86,936

(last active 29/07/26)

Cranwells Construction is a trusted extension builder serving customers in St Mary In The Marsh and the surrounding area. Contact us to today to ge...

The Sussex Bookcase Company

From £87,096

(last active 10/06/26)

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

The Sussex Bookcase Company provides a local, trusted ex...

Ljo Brickwork, Landscapes and General Building

From £86,744

(last active 04/06/26)

Relax... you have found a reliable extension builder in St Mary In The Marsh. Ljo Brickwork, Landscapes and General Building is a friendly and reli...

E&F Carpentry and Building Services

From £87,248

(last active 25/04/26)

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

Granny Annexe Cost in St Mary In The Marsh

Estimates for granny annexe near St Mary In The Marsh

Building a granny annexe ranges from £86,368 (A-Pex Building based in CT17) to £87,248 (E&F Carpentry and Building Services based in TN24), 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 St Mary In The Marsh by posting a job with HaMuch. We will send it to extension builders in St Mary In The Marsh who will be happy to help you.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Hythe£31£228
Granny Annexe near Ashford£36£256
Granny Annexe near Folkestone£31£233
Granny Annexe near Hastings£31£246
Granny Annexe near Dover£29£226
Granny Annexe near Canterbury£31£232
Granny Annexe near Faversham£34£235
Granny Annexe near Bexhill-on-Sea£31£243
Granny Annexe near Swale£35£241
Granny Annexe near Whitstable£28£214

Estimates for common extension builder jobs in St Mary In The Marsh;

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.

More extensions & conversions cost guides...