Build additional living space on your property in BT8

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 BT8? To see prices and availability for your job click green button.

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From £86,136

Last active Jun 26
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Mount Oriel Conversions & Extensions

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

Mount Oriel Conversions & Extensions provides a local, t...

From £86,368

Last active May 26
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SM Plumbing & Heating

Relax... you have found a reliable extension builder in BT8. SM Plumbing & Heating is a friendly and reliable company based in BT8 who consider no ...

From £86,488

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AK Building Services

Adam King

Ak building 

From £86,176

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Extended living by Gilbert-Ash

Trusted and professional extension builder in BT8. Experienced in all extension buildering work and keeping within budget and on quote. Extended li...

Granny Annexe Cost in BT8

Estimates for granny annexe near BT8

Building a granny annexe ranges from £86,136 (Mount Oriel Conversions & Extensions based in BT8) to £86,488 (AK Building Services based in BT8), 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 BT8 by posting a job with HaMuch. We will send it to extension builders in BT8 who will be happy to help you.


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Location in UKHourly RateDaily Rate
Granny Annexe near Carryduff£23£158
Granny Annexe near Belfast£23£161
Granny Annexe near Saintfield£23£162
Granny Annexe near Lisburn£24£164
Granny Annexe near Comber£22£160
Granny Annexe near Ballygowan£24£183
Granny Annexe near Holywood£23£159
Granny Annexe near Ballynahinch£19£189
Granny Annexe near Hillsborough and Culcavy£25£170
Granny Annexe near Greenisland£23£153

Estimates for common extension builder jobs in BT8;

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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