Cost to build a flat roof extension in Russell Square

Flat roof extension cost in Russell Square

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 Russell Square?

A flat roof extension ranges from the cheapest of £21,848 (FLAVIA CONDE based in WC1N) to the dearest of £23,200 (Q Lofts and Extensions based in EC1R), 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 Russell Square by posting a job with HaMuch. We'll send it to extension builders in Russell Square.

Estimates for flat roof extension near Russell Square

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	£17,450
	Build a two storey extension	£87,926
	Build a timber frame extension	£25,950
	Install a swimming pool	£80,950
	Cost to build a single storey extension	£54,008
	Cost to build a side return extension	£40,942
	Install an RSJ	£2,150
	Build an outbuilding	£9,950
	Build a mansard loft conversion	£51,950
	Cost of a loft conversion	£33,285
	Build a kitchen extension	£41,950
	Build a hip to gable loft conversion	£41,950
	Build a granny annexe	£86,950
	Build a garden office	£9,950
	Convert a garage	£15,950
	Build a new garage	£18,450
	Build a flat roof extension	£21,950
	Build a dormer loft conversion	£41,950
	Lay a concrete foundation	£6,200
	Convert a bungalow loft	£28,950
	Basement conversion cost	£36,942

Business name	Flat roof extension cost
FLAVIA CONDE, 27 Old Gloucester Street, London, Greater London, WC1N	£21,848
Longland Construction, Greater London, WC1N	£21,944
Pacho Build Ltd, 27 Old Gloucester Street, London, Greater London, wc1n	£21,848
CK Constructions & Development Ltd, Russell Square, WC1N	£21,888
Otto & Mensah Build, 15 Lambs Conduit Street, London, WC1N	£21,848
TipTop Joinery & Build, London, Greater London, WC1V	£21,848
JM Building Services, Hatton Garden, EC1N	£21,888
Citygate, London, WC1H	£21,944
Q Lofts and Extensions , London , EC1R	£23,200
Whitehorse Build London, Greater London, WC2H	£21,944
ElleHaus, Greater London, WC2H	£21,944
ORO Projects, Greater London, WC2H	£21,944
Gil Construction Ltd, Greater London, WC2H	£21,944
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H	£21,848
My Trusted Builder, London, Greater London, wc2h	£21,848
Matstone Projects Limited, Greater London, WC2H	£21,944
My Lady Builder, Greater London, WC2H	£21,944
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H	£21,848
Rucco Property, Greater London, WC2H	£21,944
Oxford West, London, EC1N	£21,848
Andrew Penny Construction, 63-66 Hatton Garden 5th floor Suite 23, London, Greater London, EC1N	£21,848
Buildwiser, King's Cross, WC1X	£21,864
GD CONSTRUCTION, London, WC1X	£22,000
Kovacs Construction Ltd, Greater London, EC1N	£21,944
Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N	£21,848

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Flat roof extension cost in Russell Square

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Flat roof extension cost in Russell Square

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