Build additional living space on your property in OL12

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 OL12? To see prices and availability for your job click green button.

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From £85,960

Last active Nov 26
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Aquatec Builder

Paul Foran

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

From £86,744

Last active Oct 26
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H.B.S

H.B.S is an established extension buildering business in OL12. We come highly recommended and provide competitive quotes for your work.

From £86,816

Last active Oct 26
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M R T BUILDING SERVICES LTD

Terry Howlett

We are a local building company who specialises in keeping our customers happy we are reliable friendly. We carry out all types of building wo...

From £86,840

Last active Oct 26
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G Wardley Building & Repairs

Need an Extension Builder in OL12? G Wardley Building & Repairs has been helping local clients (20 mile radius) with their extension buildering job...

From £86,936

Last active Apr 26
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PLP CONSTRUCTION LTD

PLP CONSTRUCTION LTD is an established and experienced local extension builder in OL12. Please contact us for a free, no obligation quote and compe...

From £86,160

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MKS Builders Ltd

Khuram Shahzad

MKS Builders Ltd is an established extension buildering business in OL12. We come highly recommended and provide competitive quotes for your work.<...

From £86,824

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JNC Developments

Kristian Hubbard

Jnc has been going for 15 years now we have over 10 lads at any time working for us . We Speselied in new building and Exstenshons 

From £87,104

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Tetrosyl

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

Tetrosyl provides a local, trusted extension buildering ...

From £86,592

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Roscoe Building Company Limited

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

From £87,016

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Tetlow Construction Ltd

Experienced extension builder ready to quote for your work. Tetlow Construction Ltd is the best extension builder in OL12. No obligation free quote...

Granny Annexe Cost in OL12

Estimates for granny annexe near OL12

Building a granny annexe ranges from £85,960 (Aquatec Builder based in OL10) to £87,104 (Tetrosyl based in OL16), 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 OL12 by posting a job with HaMuch. We will send it to extension builders in OL12 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 Rochdale£30£221
Granny Annexe near Heywood£30£221
Granny Annexe near Royton£30£225
Granny Annexe near Middleton£31£227
Granny Annexe near Bury£30£219
Granny Annexe near Chadderton£31£225
Granny Annexe near Oldham£31£229
Granny Annexe near Rawtenstall£29£213
Granny Annexe near Whitefield£31£229
Granny Annexe near Radcliffe£30£220

Estimates for common extension builder jobs in OL12;

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...