BL1 two storey extensions from £87,208

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 BL1? To see prices and availability for your job click green button.

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From £87,652

Last active Sep 26
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Wallplas

Wallplas is an established extension buildering business in BL1. We come highly recommended and provide competitive quotes for your work.

From £87,532

Last active Sep 26
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WWS Garage Doors & Shutters

WWS Garage Doors & Shutters is a trusted extension builder serving customers in BL1 and the surrounding area. Contact us to today to get a competit...

From £87,448

Last active Sep 26
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Fishers Building & Paving Ltd

Fishers Building & Paving Ltd is an established extension buildering business in BL1. We come highly recommended and provide competitive quotes for...

From £87,496

Last active Sep 26
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QUAYSTONE BUILDING LTD

QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in BL1. We offer a competitive rate to complete all your extension ...

From £87,712

Last active Sep 26
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CB BUILDING & JOINERY LTD

Need an Extension Builder in BL1? CB BUILDING & JOINERY LTD has been helping local clients (20 mile radius) with their extension buildering jobs fo...

From £87,556

Last active Sep 26
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BRENCOLL BUILDING

BRENCOLL BUILDING is an established extension buildering business in BL1. We come highly recommended and provide competitive quotes for your work.<...

From £87,400

Last active Sep 26
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Bolton Builders

Bolton Builders is an established and experienced local extension builder in BL1. Please contact us for a free, no obligation quote and competitive...

From £88,060

Last active Aug 26
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PETER BALDWIN BUILDERS

PETER BALDWIN BUILDERS is an established extension buildering business in BL1. We come highly recommended and provide competitive quotes for your w...

From £87,508

Last active Aug 26
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L D Debnam Building Services

L D Debnam Building Services is an established and experienced local extension builder in BL1. Please contact us for a free, no obligation quote an...

From £87,208

Last active Jul 26
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A AND S SCHOFIELD BLDRS LTD

Simon Schofield

A AND S SCHOFIELD BLDRS LTD is an established extension buildering business in BL1. We come highly recommended and provide competitive quotes for y...

Cost of a two storey extension in BL1

Estimates for two storey extension near BL1

Costs range from £87,208 (A AND S SCHOFIELD BLDRS LTD based in BL3) to £88,060 (PETER BALDWIN BUILDERS based in BL1), 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" - BOLTON, job posted 24/04/25


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Estimates for common extension builder jobs in BL1;

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...