Add extra space to your KT4 home from £41,936

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 £42,800

Rates updated Oct 26
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GDW Construction

Relax... you have found a reliable extension builder in KT4. GDW Construction is a friendly and reliable company based in KT4 who consider no job a...

From £41,936

Last active Oct 26
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D A P CONSTRUCTION

David Phelan

Please visit our web site.  Www. Dapconstruction. Co . Uk to c all our work and client recommendations.

From £42,288

Last active Oct 26
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Hilton building contractors ltd

Hilton building contractors ltd is a trusted extension builder serving customers in KT4 and the surrounding area. Contact us to today to get a comp...

From £42,000

Last active Oct 26
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Ascent Builders

Mick Winn

All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...

From £42,128

Last active Oct 26
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Refine Property Maintenance Ltd

Our building services company Refine Property Maintenance Ltd was established in 2020. Since then we have been helping customers in and around Epso...

From £42,264

Last active Oct 26
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RM Sanwell Roofing

RM Sanwell Roofing is a trusted extension builder serving customers in KT4 and the surrounding area. Contact us to today to get a competitive quote...

From £42,504

Last active Oct 26
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CSJ Building Services

Trusted and professional extension builder in KT4. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...

From £42,240

Last active Aug 26
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Flanagan Construction Ltd

Tom Flanagan

Very experienced Builder in this area ,Epsom Sutton  Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...

From £42,248

Last active Jun 26
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Racsel Building Services Ltd

Trusted and professional extension builder in KT4. Experienced in all extension buildering work and keeping within budget and on quote. Racsel Buil...

From £42,264

Last active Jun 26
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Racsel Building Services Ltd

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

Racsel Building Services Ltd provides a local, trusted e...

Cost of dormer loft conversions in KT4

Estimates for build a dormer loft conversion near KT4

In KT4, prices for dormer loft conversions range from £41,936 (D A P CONSTRUCTION based in KT4) to £42,800 (GDW Construction based in SM3), 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 KT4. Post your job on HaMuch now and we'll put you in touch with available extension builders.


Estimates for common extension builder jobs in KT4;

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...