Build additional living space on your property in St Helens

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 Helens?

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Granny annexe cost in St Helens

KMC Brickwork

From £86,664

Need an Extension Builder in St Helens? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many...

M L R Building Services

From £86,608

Trusted and professional extension builder in St Helens. Experienced in all extension buildering work and keeping within budget and on quote. M L R...

G. Finnigan Builders

From £86,872

G. Finnigan Builders is an established extension buildering business in St Helens. We come highly recommended and provide competitive quotes for yo...

Leabra Construction North West Ltd

From £86,880

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

Leabra Construction North West Ltd provides a local, tru...

MJ Barker & Son

From £86,224

MJ Barker & Son is an established extension buildering business in St Helens. We come highly recommended and provide competitive quotes for your wo...

Allan Rowe Property Services

From £87,032

Hello, I am Allan. I have run Allan Rowe Property Services since September 2014. I am based in Newton Le Willows and provide a wide range of proper...

HIGHTOWN CONSTRUCTION LTD

From £86,896

HIGHTOWN CONSTRUCTION LTD is an established extension buildering business in St Helens. We come highly recommended and provide competitive quotes f...

Higher End Construction Limited

From £86,800

Higher End Construction Limited is an established extension buildering business in St Helens. We come highly recommended and provide competitive qu...

Maintenance Point

From £86,864

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

Maintenance Point provides a local, trusted extension bu...

Warrington Builders

From £86,824

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 Helens

Estimates for granny annexe near St Helens

Building a granny annexe ranges from £86,224 (MJ Barker & Son based in WA11) to £87,032 (Allan Rowe Property Services based in WA12), 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 Helens by posting a job with HaMuch. We will send it to extension builders in St Helens who will be happy to help you.


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Location in UKHourly RateDaily Rate
Granny Annexe near St Helens£31£224
Granny Annexe near Prescot£31£223
Granny Annexe near Knowsley£31£222
Granny Annexe near Newton-le-Willows£31£221
Granny Annexe near Huyton with Roby£31£225
Granny Annexe near Ashton-in-Makerfield£30£220
Granny Annexe near Widnes£31£220
Granny Annexe near Golborne£30£222
Granny Annexe near Orrell£29£214
Granny Annexe near Kirkby£31£223

Estimates for common extension builder jobs in St Helens;

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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