Add extra space to your Harley Street home from £41,928

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 Nov 26
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JK Doors

JK Doors is a trusted extension builder serving customers in Harley Street and the surrounding area. Contact us to today to get a competitive quote...

From £42,192

Last active Nov 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £41,928

Last active Nov 26
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BPS Building

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

From £41,976

Last active Nov 26
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SLS BUILDERS LIMITED

SLS BUILDERS LIMITED is a trusted extension builder serving customers in Harley Street and the surrounding area. Contact us to today to get a compe...

From £42,360

Last active Oct 26
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M & A UK Ltd

Relax... you have found a reliable extension builder in Harley Street. M & A UK Ltd is a friendly and reliable company based in Harley Street who c...

From £42,184

Last active Sep 26
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First guard Roofing

Darren Bergin

Relax... you have found a reliable extension builder in Harley Street. First guard Roofing is a friendly and reliable company based in Harley Stree...

From £42,376

Last active Sep 26
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CK Constructions & Development Ltd

CK Constructions & Development Ltd is a trusted extension builder serving customers in Harley Street and the surrounding area. Contact us to today ...

From £41,976

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Harley Street. We offer a competitive rate to complete all your ext...

From £42,040

Last active Sep 26
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JM Building Services

JM Building Services is a trusted extension builder serving customers in Harley Street and the surrounding area. Contact us to today to get a compe...

From £42,640

Last active Sep 26
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ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD

Hussein Eljhani

We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.

Cost of dormer loft conversions in Harley Street

Estimates for build a dormer loft conversion near Harley Street

In Harley Street, prices for dormer loft conversions range from £41,928 (BPS Building based in NW6) to £42,640 (ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD based in NE4), 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 Harley Street. Post your job on HaMuch now and we'll put you in touch with available extension builders.


Estimates for common extension builder jobs in Harley Street;

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...