Cost to build a flat roof extension in W13

Flat roof extension cost in W13

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in W13?

A flat roof extension ranges from the cheapest of £21,600 (CHURCHWOOD MANAGEMENT LTD based in W13) to the dearest of £21,944 (Allen & Allen based in W13), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.

Find out how much your flat roof extension will cost in W13 by posting a job with HaMuch. We'll send it to extension builders in W13.

Estimates for flat roof extension near W13

How much does a flat roof extension cost?
Flat roof extension cost per m2
Factors affecting the cost of flat roof extensions
Advantages and disadvantages of flat roofs
Which is cheaper: a flat roof or pitched roof?
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Do you need planning permission for a flat roof extension?
How long does a flat roof last?
Can you walk on a flat roof extension?
What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,376
	Build a two storey extension	£87,813
	Build a timber frame extension	£25,876
	Install a swimming pool	£80,876
	Cost to build a single storey extension	£52,510
	Cost to build a side return extension	£40,100
	Install an RSJ	£2,076
	Build an outbuilding	£9,876
	Build a mansard loft conversion	£51,876
	Cost of a loft conversion	£32,583
	Build a kitchen extension	£41,876
	Build a hip to gable loft conversion	£41,876
	Build a granny annexe	£86,876
	Build a garden office	£9,876
	Convert a garage	£15,876
	Build a new garage	£18,376
	Build a flat roof extension	£21,876
	Build a dormer loft conversion	£41,876
	Lay a concrete foundation	£6,126
	Convert a bungalow loft	£28,876
	Basement conversion cost	£36,100

Business name	Flat roof extension cost
Decorators, Builders, West Ealing, W13	£21,888
Allen & Allen, London, W13	£21,944
SA BUILD SOLUTIONS LTD, London, Greater London, W13	£21,840
Kensington Maintenance Ltd, West Ealing, W13	£21,888
Decozest Ltd, London, W5	£21,944
WIT CONSTRUCTION, Ealing, W5	£21,864
Pristine Projects Ltd, Greater London, W13	£21,944
Project 1 Design & Build, Ealing, Greater London, W13	£21,840
W5 Construction Ltd, London, W13	£21,944
Polish Builders Union Ltd, West Ealing, W13	£21,888
CHURCHWOOD MANAGEMENT LTD, London, W13	£21,600
Tom Corrigan Building & Decorating, West Ealing, W13	£21,888
Japan Building Services, Hanwell, W7	£21,864
Debonair Group, 72 Leighton Road, London, Greater London, W13	£21,840
Bricks Republic Limited, Londonderry, W5	£21,944
SHAKESPEARE ROOFING AND BUILDI, Hanwell, W7	£21,856
DRAYTON BUILDERS LTD, Hanwell, W7	£21,864
CREST PROJECTS Ltd, London, Greater London, W7	£21,840
CREST PROJECTS Ltd, Greater London, W7	£21,944
Build & Decor, Greater London, W5	£21,944
S. A. W. Building Contractors Ltd., S A W Building Contractors Ltd, 46-48 St. Marys Road, London, Greater London, W5	£21,840
NK Property Renovations Ltd, London, Greater London, W5	£21,840
New Line Construction Ltd, 3 Britton Terrace, Campbell Road, London, Greater London, W7	£21,840
Dream House 360 Ltd, Buckinghamshire, W5	£21,944
Autoroll Repairs, Hanwell, W7	£21,856

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Flat roof extension cost in W13

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Flat roof extension cost in W13

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