Cost to build a flat roof extension in EC1V

Flat roof extension cost in EC1V

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 EC1V?

A flat roof extension ranges from the cheapest of £21,848 (Fornia Build Ltd based in EC1V) to the dearest of £21,944 (Fornia Build Ltd based in EC1V), 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 EC1V by posting a job with HaMuch. We'll send it to extension builders in EC1V.

Estimates for flat roof extension near EC1V

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Flat roof extension cost per m2
Factors affecting the cost of flat roof extensions
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	Job	Estimate
	Underpinning a house	£17,408
	Build a two storey extension	£87,861
	Build a timber frame extension	£25,908
	Install a swimming pool	£80,908
	Cost to build a single storey extension	£53,150
	Cost to build a side return extension	£40,460
	Install an RSJ	£2,108
	Build an outbuilding	£9,908
	Build a mansard loft conversion	£51,908
	Cost of a loft conversion	£32,883
	Build a kitchen extension	£41,908
	Build a hip to gable loft conversion	£41,908
	Build a granny annexe	£86,908
	Build a garden office	£9,908
	Convert a garage	£15,908
	Build a new garage	£18,408
	Build a flat roof extension	£21,908
	Build a dormer loft conversion	£41,908
	Lay a concrete foundation	£6,158
	Convert a bungalow loft	£28,908
	Basement conversion cost	£36,460

Business name	Flat roof extension cost
TOP CONSTRUCTION, Moorfields Eye Hospital, EC1V	£21,856
Fornia Build Ltd, Greater London, EC1V	£21,944
Fornia Build Ltd, London, Greater London, EC1V	£21,848
EB, London, EC1V	£21,888
Dual City Building Contractors Limited, London, EC1V	£21,944
Redway Construction, London, Greater London, EC1V	£21,848
Eastgrand Limited, Greater London, EC1V	£21,944
PAD, Greater London, EC1V	£21,944
Equitable Property & Financial Services LTD, Greater London, EC1V	£21,944
STAY STEEL, London, EC1V	£21,944
K Construct Ltd, Greater London, EC1V	£21,944
Arkbuild.london, Greater London, Ec1v	£21,944
Master Build Team, Kemp House,, 152-160 city road, London, Greater London, EC1V	£21,848
TP Building & Development Services Limited, Greater London, EC1V	£21,944
Cadway Group Ltd, Kemp House, 160 City Road, London, Greater London, EC1V	£21,848
Master Build Team, Greater London, EC1V	£21,944
Miah Designs and Build, Greater London, EC1V	£21,944
Aviary Property, Kent, EC1V	£21,944
Alkemist Build and Decorate, Kemp House, 160 City Road,, London, Londonderry, EC1V	£21,848
MM Construction Group, 152-160 City Road, London, Greater London, EC1V	£21,848
Reltic Project, Londonderry, EC1V	£21,944
Uno contract limited, Greater London, EC1V	£21,944
PRG Extensions, Greater London, N1	£21,944
Sandhill Bulding Solutions Ltd, Greater London, N1	£21,848
Ant-works, London, Surrey, N1	£21,848

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Flat roof extension cost in EC1V

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Flat roof extension cost in EC1V

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