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AV Home Improvements
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Sharp Building Ltd
Sharp Building Ltd is an established and experienced local extension builder in Northwood. Please contact us for a free, no obligation quote and co...
Building Service and Support Ltd
Relax... you have found a reliable extension builder in Northwood. Building Service and Support Ltd is a friendly and reliable company based in Nor...
C S C BUILDINGS LTD
Relax... you have found a reliable extension builder in Northwood. C S C BUILDINGS LTD is a friendly and reliable company based in Northwood who co...
Frame Brickwork
Relax... you have found a reliable extension builder in Northwood. Frame Brickwork is a friendly and reliable company based in Northwood who consid...
Timeless Interiors
Personable and individual interior design service designed around what you love.
Project Squared Construction Ltd
We specialise in constructing and the refurbishment of homes for discerning clients looking for quality, excellence and design in London and the Ho...
DeHavilland Design & Build Limited
DeHavilland Design and Build have more than 12 years of experience working on major refurbishments, extensions and renovations in Central & West Lo...
J B S Development & Construction Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Adams Build and Design LTD.
Northwood Greater London, HA6
Need to find an Extension Builder near you for all your extension buildering work?
Adams Build and Design LTD. provides a local, trusted ex...
Cost of dormer loft conversions in Northwood
In Northwood, prices for dormer loft conversions range from £41,960 (J B S Development & Construction Ltd based in HA5) to £42,464 (AV Home Improvements based in WD19), 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 Northwood. Post your job on HaMuch now and we'll put you in touch with available extension builders.
- How much does a dormer loft conversion cost?
- Dormer loft conversion cost per m2
- Factors affecting the cost of a dormer loft conversion
- What is a dormer loft conversion?
- How long does a dormer loft conversion take?
- Do I need an architect to add a dormer?
- Do I need planning permission for a dormer loft conversion?
- Can you add a dormer to any house?
- How much extra space does a dormer give you?
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Estimates for common extension builder jobs in Northwood;
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.
Underpin a building - £17,774
Two storey extension - £88,412
Build a timber frame extension - £26,274
Build a swimming pool - £81,274
Single storey extension - £60,488
Side return extension - £44,587
Install an RSJ - £2,474
Outbuilding - £10,274
Build a Mansard loft conversion - £52,274
Loft conversion - £36,323
Build a kitchen extension - £42,274
Hip to gable loft conversion - £42,274
Granny annexe - £87,274
Garden office - £10,274
Convert a Garage - £16,274
Garage - £18,774
Build a flat roof extension - £22,274
Build a dormer loft conversion - £42,274
Concrete foundations - £6,524
Convert a bungalow loft - £29,274
Convert a basement - £40,587