Add extra space to your Horwich home from £41,600

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 £41,984

Last active Oct 26
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JCR Construction

Trusted and professional extension builder in Horwich. Experienced in all extension buildering work and keeping within budget and on quote. JCR Con...

From £41,600

Last active Oct 26
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SPL Building Services

Stephen Lowe

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

From £41,776

Last active Oct 26
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Jc Properties

Relax... you have found a reliable extension builder in Horwich. Jc Properties is a friendly and reliable company based in Horwich who consider no ...

From £41,776

Last active Sep 26
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David Anderson Builders

Relax... you have found a reliable extension builder in Horwich. David Anderson Builders is a friendly and reliable company based in Horwich who co...

From £41,768

Last active Sep 26
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Wallplas

Wallplas is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes for your work.

From £41,688

Last active Sep 26
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WWS Garage Doors & Shutters

WWS Garage Doors & Shutters is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a comp...

From £41,632

Last active Sep 26
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Fishers Building & Paving Ltd

Fishers Building & Paving Ltd is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes...

From £41,792

Last active Sep 26
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EBI BUILDING RENOVATIONS

EBI BUILDING RENOVATIONS is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a competi...

From £41,688

Last active Sep 26
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BURGHWOOD CONSTRUCTION LTD

Experienced extension builder ready to quote for your work. BURGHWOOD CONSTRUCTION LTD is the best extension builder in Horwich. No obligation free...

From £41,664

Last active Sep 26
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QUAYSTONE BUILDING LTD

QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in Horwich. We offer a competitive rate to complete all your extens...

Cost of dormer loft conversions in Horwich

Estimates for build a dormer loft conversion near Horwich

In Horwich, prices for dormer loft conversions range from £41,600 (SPL Building Services based in WN3) to £41,984 (JCR Construction based in WN6), 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 Horwich. Post your job on HaMuch now and we'll put you in touch with available extension builders.

"Dormer loft conversion" - BL3, job posted 07/05/26


Estimates for common extension builder jobs in Horwich;

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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