Build additional living space on your property in WA1

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 WA1?

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Granny annexe cost in WA1

Jones Landscaping

From £86,472

(last active 25/09/26)

Trusted and professional extension builder in WA1. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...

J.M.C Building Services

From £86,672

(last active 25/09/26)

J.M.C Building Services is a trusted extension builder serving customers in WA1 and the surrounding area. Contact us to today to get a competitive ...

Aquatec Builder

From £85,960

Member since November 2019

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

David Anderson Builders

From £86,776

(last active 22/09/26)

Relax... you have found a reliable extension builder in WA1. David Anderson Builders is a friendly and reliable company based in WA1 who consider n...

DC Contractors

From £86,792

(last active 22/09/26)

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

DC Contractors provides a local, trusted extension build...

ESBP Specialists Ltd

From £86,960

(last active 22/09/26)

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

ESBP Specialists Ltd provides a local, trusted extension...

Tong Building & Joinery Ltd

From £87,032

(last active 22/09/26)

Tong Building & Joinery Ltd are here to help customers who need an Extension Builder in WA1. We offer a competitive rate to complete all your exten...

MK Builders

From £86,608

(last active 22/09/26)

Need an Extension Builder in WA1? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years. ...

J & C Barker (Builders) Limited

From £86,896

(last active 21/09/26)

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

J & C Barker (Builders) Limited provides a local, truste...

Amak Construction

From £86,584

(last active 21/09/26)

Amak Construction is an established and experienced local extension builder in WA1. Please contact us for a free, no obligation quote and competiti...

Granny Annexe Cost in WA1

Estimates for granny annexe near WA1

Building a granny annexe ranges from £85,960 (Aquatec Builder based in OL10) to £87,032 (Tong Building & Joinery Ltd based in CH3), 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 WA1 by posting a job with HaMuch. We will send it to extension builders in WA1 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 Warrington£31£222
Granny Annexe near Newton-le-Willows£31£221
Granny Annexe near Golborne£30£222
Granny Annexe near Irlam£32£225
Granny Annexe near Runcorn£33£228
Granny Annexe near Halton£31£220
Granny Annexe near Widnes£31£220
Granny Annexe near Leigh£31£224
Granny Annexe near Ashton-in-Makerfield£30£220
Granny Annexe near St Helens£31£224

Estimates for common extension builder jobs in WA1;

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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