B8 two storey extensions from £87,412

A two storey extension is a great way to add extra space to your home, adding value to your property. But how much does it cost to build a double storey extension in B8? To see prices and availability for your job click Get quotes.

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Two storey extension cost in B8 - Sort by rates or availability

From £88,072

Member since October 2026

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Darthy serices and cleaning

Khondda Olham

We agree on the work, price and appointment before starting. Our approach focuses on clear communication, punctuality, careful workmanship and leav...

From £87,736

Last active Oct 26
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G Wilson Building & Roofing Services

Gary Wilson

Reliable person 25 years experience 

if you look on a website rated people and have a look at my ratings 

From £87,556

Last active Sep 26
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AJ Home Improvements

AJ Home Improvements is an established extension buildering business in B8. We come highly recommended and provide competitive quotes for your work...

From £87,976

Last active Sep 26
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Brickfast Builders

Brickfast Builders is an established extension buildering business in B8. We come highly recommended and provide competitive quotes for your work.<...

From £87,796

Last active Sep 26
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LC BUILDING SERVICES

Lloyd Clarke

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

LC BUILDING SERVICES provides a local, trusted extension...

From £87,412

Last active Sep 26
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John Kinloch Construction Ltd

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

John Kinloch Construction Ltd provides a local, trusted ...

From £87,532

Last active Feb 26
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Castlehall Building Services

Trusted and professional extension builder in B8. Experienced in all extension buildering work and keeping within budget and on quote. Castlehall B...

From £87,484

Last active Feb 26
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Guild Building Solutions Ltd

Guild Building Solutions Ltd is a well established, reliable and trustworthy company with over 25 years' experience. We are based in Sutton Coldfie...

From £87,880

Last active Nov 25
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x10hosts

Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B8. No obligation free quotes and many happy ...

From £87,844

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DM FLOYD BUILDING

Experienced extension builder ready to quote for your work. DM FLOYD BUILDING is the best extension builder in B8. No obligation free quotes and ma...

Cost of a two storey extension in B8

Estimates for two storey extension near B8

Costs range from £87,412 (John Kinloch Construction Ltd based in B36) to £88,072 (Darthy serices and cleaning based in B5), but these are just estimates. The best way to compare costs is to get real quotes from real builders.

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"Two storey extension" - BIRMINGHAM, job posted 01/01/70


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Estimates for common extension builder jobs in B8;

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...