Cost to build a flat roof extension in Strawberry Hill

Flat roof extension cost in Strawberry Hill

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 Strawberry Hill?

A flat roof extension ranges from the cheapest of £21,200 (Fine Line Homes Ltd based in TW1) to the dearest of £21,952 (SmallBerg based in TW2), 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 Strawberry Hill by posting a job with HaMuch. We'll send it to extension builders in Strawberry Hill.

Estimates for flat roof extension near Strawberry Hill

How much does a flat roof extension cost?
Flat roof extension cost per m2
Factors affecting the cost of flat roof extensions
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	Job	Estimate
	Underpinning a house	£17,363
	Build a two storey extension	£87,794
	Build a timber frame extension	£25,863
	Install a swimming pool	£80,863
	Cost to build a single storey extension	£52,254
	Cost to build a side return extension	£39,956
	Install an RSJ	£2,063
	Build an outbuilding	£9,863
	Build a mansard loft conversion	£51,863
	Cost of a loft conversion	£32,463
	Build a kitchen extension	£41,863
	Build a hip to gable loft conversion	£41,863
	Build a granny annexe	£86,863
	Build a garden office	£9,863
	Convert a garage	£15,863
	Build a new garage	£18,363
	Build a flat roof extension	£21,863
	Build a dormer loft conversion	£41,863
	Lay a concrete foundation	£6,113
	Convert a bungalow loft	£28,863
	Basement conversion cost	£35,956

Business name	Flat roof extension cost
Tota Builders, Twickenham, TW2	£21,840
SmallBerg, Greater London, TW2	£21,952
A Twickenham Roofing Service, Twickenham, TW2	£21,864
Planning Design Building, Greater London, TW2	£21,952
Maltwood, Korus House, 6-8 Colne Road, Twickenham, Greater London, TW1	£21,840
CALLAGHAN CONSTRUCTION, Strawberry Hill, TW2	£21,856
Everest Design Ltd, Hampton Road, Twickenham, Greater London, TW2	£21,848
RG BUILDING SERVICES, Strawberry Hill, TW2	£21,872
Twickenham Home Ltd, Greater London, TW2	£21,944
Darwin Home Improvements, Greater London, TW2	£21,944
Active Builders London ltd, Twickenham, Greater London, tw2	£21,856
Fine Line Homes Ltd, twickenham, TW1	£21,200
Skora Contractors Ltd, 299A Whitton Dene, Isleworth, Greater London, TW7	£21,848
Habitus Home Improvements, Greater London, TW1	£21,944
BC 10 Builder Services, Greater London, TW1	£21,944
Dashwood Interiors, Greater London, TW1	£21,944
Slick Construction Ltd, Isleworth, TW7	£21,888
Slick Construction, Greater London, tw7	£21,944
Slick Construction, 23 thatchers way, isleworth, Greater London, tw7	£21,848
Masterbuild & Design Ltd, Twickenham, TW1	£21,864
Virdi Construction Ltd, Hounslow, TW3	£21,864
A-Team Builders, Hounslow, TW3	£21,888
Hawaii Ltd, Hounslow, TW3	£21,888
Patrick + Rosie, London, Greater London, TW1	£21,840
S & M, Faltham, TW13	£21,896

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Flat roof extension cost in Strawberry Hill

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Flat roof extension cost in Strawberry Hill

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