Add extra space to your B1 home from £41,568

Dormer loft conversions are ideal if you want to add lots of extra space to your home. Adding a box-like structure or structures to the roof, you essentially extend the roofline to add significant square footage to your loft space. This makes dormer loft conversions one of the most popular loft conversion types, as they're ideal for adding a new main bedroom with en-suite or even a self-contained living space. To see prices and availability for your job click green button.

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From £41,680

Last active Nov 26
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K Barrett Roofing LTD

Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in B1. No obligation free quotes an...

From £41,984

Last active Nov 26
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Atwal Building Services Ltd

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

Atwal Building Services Ltd provides a local, trusted ex...

From £41,864

Last active Nov 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 £41,984

Last active Nov 26
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Brickfast Builders

Brickfast Builders is an established extension buildering business in B1. We come highly recommended and provide competitive quotes for your work.<...

From £41,704

Last active Sep 26
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AJ Home Improvements

AJ Home Improvements is an established extension buildering business in B1. We come highly recommended and provide competitive quotes for your work...

From £41,568

Last active Sep 26
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Bhogal Construction

Trusted and professional extension builder in B1. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal Const...

From £41,920

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 B1. No obligation free quotes and many happy ...

From £41,856

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HSS CONSTRUCTION LTD

HSS CONSTRUCTION LTD are here to help customers who need an Extension Builder in B1. We offer a competitive rate to complete all your extension bui...

From £41,696

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BellTrim Wood Products

Need an Extension Builder in B1? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for ma...

From £41,816

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Chadha Constructions Limited

Our building services company Chadha Constructions Limited was established in March 2021, but have been providing professional, trustworthy buildin...

Cost of dormer loft conversions in B1

Estimates for build a dormer loft conversion near B1

In B1, prices for dormer loft conversions range from £41,568 (Bhogal Construction based in B67) to £41,984 (Atwal Building Services Ltd based in B20), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for. 

The best way to get an accurate price is to compare quotes from extension builders in B1. Post your job on HaMuch now and we'll put you in touch with available extension builders.

"Dormer loft conversion with ensuite bathroom." - BIRMINGHAM, job posted 04/11/24

"Dormer loft conversion" - B62, job posted 01/01/70


Estimates for common extension builder jobs in B1;

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...