Build additional living space on your property in Finsbury

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

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From £87,024

Last active Nov 26
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SH Enterprise

Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...

From £86,976

Last active Nov 26
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SLS BUILDERS LIMITED

SLS BUILDERS LIMITED is a trusted extension builder serving customers in Finsbury and the surrounding area. Contact us to today to get a competitiv...

From £87,192

Last active Oct 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £87,192

Last active Oct 26
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London Trowel Co.

Relax... you have found a reliable extension builder in Finsbury. London Trowel Co. is a friendly and reliable company based in Finsbury who consid...

From £87,208

Last active Oct 26
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Thermodynamic Building Services Ltd

Trusted and professional extension builder in Finsbury. Experienced in all extension buildering work and keeping within budget and on quote. Thermo...

From £89,320

Last active Oct 26
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Reid and Co Developments Ltd

Jay Reid

We are a well established buildng firm who have been providing building services and managing of projects now for 25 years. We have all the necessary ...

From £87,184

Last active Sep 26
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First guard Roofing

Darren Bergin

Relax... you have found a reliable extension builder in Finsbury. First guard Roofing is a friendly and reliable company based in Finsbury who cons...

From £87,376

Last active Sep 26
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CK Constructions & Development Ltd

CK Constructions & Development Ltd is a trusted extension builder serving customers in Finsbury and the surrounding area. Contact us to today to ge...

From £86,976

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Finsbury. We offer a competitive rate to complete all your extensio...

From £86,984

Last active Sep 26
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JK Doors

JK Doors is a trusted extension builder serving customers in Finsbury and the surrounding area. Contact us to today to get a competitive quote for ...

Granny Annexe Cost in Finsbury

Estimates for granny annexe near Finsbury

Building a granny annexe ranges from £86,976 (SLS BUILDERS LIMITED based in NW5) to £89,320 (Reid and Co Developments Ltd based in NW8), 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 Finsbury by posting a job with HaMuch. We will send it to extension builders in Finsbury who will be happy to help you.


Estimates for common extension builder jobs in Finsbury;

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...