Add extra space to your Steyning home from £41,880

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 £42,024

Rates verified Oct 26
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Ferguson Building Services Limited

Ferguson Building Services Limited is an established and experienced local extension builder in Steyning. Please contact us for a free, no obligati...

From £42,200

Last active Nov 26
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Alan Pacy Builder

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

From £41,880

Last active Nov 26
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Stretch My Home Ltd

Trusted and professional extension builder in Steyning. Experienced in all extension buildering work and keeping within budget and on quote. Stretc...

From £41,984

Last active Oct 26
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FIRST FORMAT BUILDING

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

FIRST FORMAT BUILDING provides a local, trusted extensio...

From £41,992

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H P Building Services Sussex

Member since August 2026

H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...

From £42,296

Last active Oct 26
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Proper Copper Design

Proper Copper DesignWe are a design lead copper homeware company specializing in contemporary handles, taps, showers and accessories. Our products ...

From £42,016

Last active Sep 26
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Good Construction (Sussex) Limited

Trusted and professional extension builder in Steyning. Experienced in all extension buildering work and keeping within budget and on quote. Good C...

From £41,936

Last active May 26
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ACF Carpentry Ltd

ACF Carpentry Ltd is an established and experienced local extension builder in Steyning. Please contact us for a free, no obligation quote and comp...

From £42,224

Last active Mar 26
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Hewison Jones Renovations LTD

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

From £41,960

Last active Mar 26
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BRICKTEC BUILDING SERVICES

Trusted and professional extension builder in Steyning. Experienced in all extension buildering work and keeping within budget and on quote. BRICKT...

Cost of dormer loft conversions in Steyning

Estimates for build a dormer loft conversion near Steyning

In Steyning, prices for dormer loft conversions range from £41,880 (Stretch My Home Ltd based in BN12) to £42,296 (Proper Copper Design based in BN3), 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 Steyning. Post your job on HaMuch now and we'll put you in touch with available extension builders.


Estimates for common extension builder jobs in Steyning;

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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