Add extra space to your SM3 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

Location

North Cheam, SM3

Relax... you have found a reliable extension builder in SM3. GDW Construction is a friendly and reliable company based in SM3 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

Location

London, SM3

Hilton building contractors ltd is a trusted extension builder serving customers in SM3 and the surrounding area. Contact us to today to get a comp...

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 £42,184

Last active Oct 26
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Amazing Space Design and Build Ltd.

Relax... you have found a reliable extension builder in SM3. Amazing Space Design and Build Ltd. is a friendly and reliable company based in SM3 wh...

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 SM3 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 SM3. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...

From £41,936

Last active Oct 26
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Masters Property Services

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

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 £41,960

Last active Jun 26
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NCN Projects

Experienced extension builder ready to quote for your work. NCN Projects is the best extension builder in SM3. No obligation free quotes and many h...

Cost of dormer loft conversions in SM3

Estimates for build a dormer loft conversion near SM3

In SM3, 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 SM3. Post your job on HaMuch now and we'll put you in touch with available extension builders.


Estimates for common extension builder jobs in SM3;

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...