Add extra space to your Cheltenham home from £41,752

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 £42,064

Last active Nov 26
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R L MITCHELL BUILDING SERVICES

R L MITCHELL BUILDING SERVICES is an established and experienced local extension builder in Cheltenham. Please contact us for a free, no obligation...

From £41,936

Last active Nov 26
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Martin Fry Roofing & Building Contractors

Experienced extension builder ready to quote for your work. Martin Fry Roofing & Building Contractors is the best extension builder in Cheltenham. ...

From £42,168

Last active Nov 26
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CB Home Improvements, Roofing & Building Solutions

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

CB Home Improvements, Roofing & Building Solutions provi...

From £41,752

Last active Nov 26
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DIRECT BUILD T/A

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

DIRECT BUILD T/A provides a local, trusted extension bui...

From £41,880

Last active Nov 26
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LA Landscapes

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

From £42,000

Last active Nov 26
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Lennon Biulders

Lennon Biulders is an established extension buildering business in Cheltenham. We come highly recommended and provide competitive quotes for your w...

From £41,824

Last active Nov 26
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Deacon Builders Ltd

Deacon Builders Ltd is an established and experienced local extension builder in Cheltenham. Please contact us for a free, no obligation quote and ...

From £42,000

Last active Nov 26
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FOUR SEASONS PROPERTY SERVICES

Charles O’Neill

Location

Cheltenham, GL51

Relax... you have found a reliable extension builder in Cheltenham. FOUR SEASONS PROPERTY SERVICES is a friendly and reliable company based in Chel...

From £41,960

Last active Oct 26
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Deadsmooth Plastering & Building Co

Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in Cheltenham and the surrounding area. Contact us to today to...

From £42,000

Last active Sep 26
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Philips Building Services

Philip Meulbrouck

Need an Extension Builder in Cheltenham? Philips Building Services has been helping local clients (20 mile radius) with their extension buildering ...

Cost of dormer loft conversions in Cheltenham

Estimates for build a dormer loft conversion near Cheltenham

In Cheltenham, prices for dormer loft conversions range from £41,752 (DIRECT BUILD T/A based in GL51) to £42,168 (CB Home Improvements, Roofing & Building Solutions based in GL2), 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 Cheltenham. Post your job on HaMuch now and we'll put you in touch with available extension builders.

"Dormer loft conversion Detached house in GL52 5BW" - CHELTENHAM, job posted 10/12/25


Estimates for common extension builder jobs in Cheltenham;

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.

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