Add extra space to your Sefton home from £41,576

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 £41,936

Last active Nov 26
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P & P Building Services

Peter Gallagher

Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Sefton. No obligation free quo...

From £41,672

Last active Nov 26
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J.M.C Building Services

J.M.C Building Services is a trusted extension builder serving customers in Sefton and the surrounding area. Contact us to today to get a competiti...

From £41,768

Last active Nov 26
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KM Building Services

Relax... you have found a reliable extension builder in Sefton. KM Building Services is a friendly and reliable company based in Sefton who conside...

From £41,704

Last active Nov 26
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Render & External Insulation Specialist

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

From £41,904

Last active Nov 26
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Bob the Builder

Need an Extension Builder in Sefton? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many ...

From £41,696

Last active Oct 26
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Robuild - Waterwise

Robuild - Waterwise is an established extension buildering business in Sefton. We come highly recommended and provide competitive quotes for your w...

From £41,848

Last active Oct 26
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S.L.P Property Maintenance

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

S.L.P Property Maintenance provides a local, trusted ext...

From £41,952

Last active Oct 26
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DW Brickwork

Trusted and professional extension builder in Sefton. Experienced in all extension buildering work and keeping within budget and on quote. DW Brick...

From £41,744

Last active Oct 26
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G J Builders Wirral

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

From £41,576

Last active Oct 26
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BTC Bernstef Ltd

BTC Bernstef Ltd is an established extension buildering business in Sefton. We come highly recommended and provide competitive quotes for your work...

Cost of dormer loft conversions in Sefton

Estimates for build a dormer loft conversion near Sefton

In Sefton, prices for dormer loft conversions range from £41,576 (BTC Bernstef Ltd based in L23) to £41,952 (DW Brickwork based in CH46), 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 Sefton. Post your job on HaMuch now and we'll put you in touch with available extension builders.


Estimates for common extension builder jobs in Sefton;

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...