Build additional living space on your property in Monmouthshire

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 Monmouthshire? To see prices and availability for your job click green button.

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From £86,816

Last active Aug 26
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Eric J Ivins

Eric J Ivins is a trusted extension builder serving customers in Monmouthshire and the surrounding area. Contact us to today to get a competitive q...

From £86,984

Last active Aug 26
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PARTRIDGE - WILSON BUILDERS

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

PARTRIDGE - WILSON BUILDERS provides a local, trusted ex...

From £86,568

Last active Aug 26
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D BENDON CONSTRUCTION LTD

D BENDON CONSTRUCTION LTD is an established and experienced local extension builder in Monmouthshire. Please contact us for a free, no obligation q...

From £86,744

Last active Aug 26
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OWEN BROTHERS CONSTRUCTION LTD

OWEN BROTHERS CONSTRUCTION LTD are here to help customers who need an Extension Builder in Monmouthshire. We offer a competitive rate to complete a...

From £86,768

Last active Dec 25
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JSP Building Contractors Ltd

Our building services company JSP Carpentry & Building Services has 15 years of experience in the industry. Since then, we have been helping custom...

From £86,608

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HEDLYN BUILDING CONTRACTORS

Relax... you have found a reliable extension builder in Monmouthshire. HEDLYN BUILDING CONTRACTORS is a friendly and reliable company based in Mon...

From £86,944

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H VAUGHAN BUILDERS

H VAUGHAN BUILDERS is an established extension buildering business in Monmouthshire. We come highly recommended and provide competitive quotes for ...

Granny Annexe Cost in Monmouthshire

Estimates for granny annexe near Monmouthshire

Building a granny annexe ranges from £86,568 (D BENDON CONSTRUCTION LTD based in NP4) to £86,984 (PARTRIDGE - WILSON BUILDERS based in NP44), 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 Monmouthshire by posting a job with HaMuch. We will send it to extension builders in Monmouthshire who will be happy to help you.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Pontypool£30£210
Granny Annexe near Cwmbran£43£219
Granny Annexe near Newport£41£233
Granny Annexe near Risca£32£218
Granny Annexe near Ebbw Vale£30£217
Granny Annexe near Tredegar£30£217
Granny Annexe near Caerphilly£33£208
Granny Annexe near Portishead£33£247
Granny Annexe near Bradley Stoke£34£259
Granny Annexe near Clevedon£32£243

Estimates for common extension builder jobs in Monmouthshire;

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...