Add extra space to your Wycombe home from £42,032

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 £42,184

Rates verified Oct 26
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Buildmac Ltd

Chris Czerwinski

About us: Buildmac Ltd is a well-established, trustworthy, reliable and professional business based in High Wycombe, covering all surrounding areas...

From £42,280

Last active Nov 26
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ABC Associates STRUCTURES 4 U

Relax... you have found a reliable extension builder in Wycombe. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in Wycombe ...

From £42,160

Last active Nov 26
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Loudwater Building Services

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

Loudwater Building Services provides a local, trusted ex...

From £42,040

Last active Nov 26
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Mitchell & Co Building & Renovations Ltd

Mitchell & Co Building & Renovations Ltd is an established extension buildering business in Wycombe. We come highly recommended and provide competi...

From £42,096

Last active Nov 26
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Building High Wycombe

Relax... you have found a reliable extension builder in Wycombe. Building High Wycombe is a friendly and reliable company based in Wycombe who cons...

From £42,392

Last active Jul 26
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jesson ladscaping and construction

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

From £42,368

Last active Jul 26
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Steve Knight Construction

Steve Knight Construction is a High Wycombe based Building Company with 38 years experience in all aspects of the Construction Industry. We are abl...

From £42,032

Last active Jul 26
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GREENWORKS CONSTRUCTION

GREENWORKS CONSTRUCTION is an established and experienced local extension builder in Wycombe. Please contact us for a free, no obligation quote and...

From £42,208

Last active Jul 26
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JAYEM BUILDING SERVICES LTD

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

JAYEM BUILDING SERVICES LTD provides a local, trusted ex...

From £42,280

Last active Jul 26
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Charts Project Management and Build

Our building services company Charts Project Management and Build has been helping customers in Buckinghamshire and the surrounding area by providi...

Cost of dormer loft conversions in Wycombe

Estimates for build a dormer loft conversion near Wycombe

In Wycombe, prices for dormer loft conversions range from £42,032 (GREENWORKS CONSTRUCTION based in SL7) to £42,392 (Jesson ladscaping and construction based in hp15), 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 Wycombe. Post your job on HaMuch now and we'll put you in touch with available extension builders.

"Hip to gable Dormer loft conversion" - HIGH WYCOMBE, job posted 10/05/25


Estimates for common extension builder jobs in Wycombe;

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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