Cost to build a flat roof extension in Charring Cross

Flat roof extension cost in Charring Cross

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 Charring Cross?

A flat roof extension ranges from the cheapest of £21,848 (House Rendering Ltd based in WC2H) to the dearest of £21,944 (Adamko Dry Lining London based in WC2N), 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 Charring Cross by posting a job with HaMuch. We'll send it to extension builders in Charring Cross.

Estimates for flat roof extension near Charring Cross

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	£17,411
	Build a two storey extension	£87,866
	Build a timber frame extension	£25,911
	Install a swimming pool	£80,911
	Cost to build a single storey extension	£53,214
	Cost to build a side return extension	£40,496
	Install an RSJ	£2,111
	Build an outbuilding	£9,911
	Build a mansard loft conversion	£51,911
	Cost of a loft conversion	£32,913
	Build a kitchen extension	£41,911
	Build a hip to gable loft conversion	£41,911
	Build a granny annexe	£86,911
	Build a garden office	£9,911
	Convert a garage	£15,911
	Build a new garage	£18,411
	Build a flat roof extension	£21,911
	Build a dormer loft conversion	£41,911
	Lay a concrete foundation	£6,161
	Convert a bungalow loft	£28,911
	Basement conversion cost	£36,496

Business name	Flat roof extension cost
Adamko Dry Lining London, Greater London, WC2N	£21,944
Gil Construction Ltd, Greater London, WC2H	£21,944
Rucco Property, Greater London, WC2H	£21,944
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H	£21,848
Whitehorse Build London, Greater London, WC2H	£21,944
ElleHaus, Greater London, WC2H	£21,944
ORO Projects, Greater London, WC2H	£21,944
My Trusted Builder, London, Greater London, wc2h	£21,848
Matstone Projects Limited, Greater London, WC2H	£21,944
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H	£21,848
My Lady Builder, Greater London, WC2H	£21,944
Big Mamma, Greater London, W1F	£21,944
Elv8 Interiors, Greater London, W1B	£21,944
Cornerstone, Greater London, W1F	£21,944
Sehem Design, london, W1F	£21,944
TipTop Joinery & Build, London, Greater London, WC1V	£21,848
Elite Building, 7 Bell Yard, London, Greater London, WC2A	£21,848
Elite Building, Greater London, WC2A	£21,944
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H	£21,848
Infinite CM, Greater London, SE1	£21,936
Longland Construction, Greater London, WC1N	£21,944
FLAVIA CONDE, 27 Old Gloucester Street, London, Greater London, WC1N	£21,848
Pacho Build Ltd, 27 Old Gloucester Street, London, Greater London, wc1n	£21,848
CK Constructions & Development Ltd, Russell Square, WC1N	£21,888
Mayfair Design, Greater London, W1J	£21,944

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Flat roof extension cost in Charring Cross

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Flat roof extension cost in Charring Cross

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