Cost to build a flat roof extension in EC1Y

Flat roof extension cost in EC1Y

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 EC1Y?

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 EC1Y by posting a job with HaMuch. We'll send it to extension builders in EC1Y.

Estimates for flat roof extension near EC1Y

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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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	£17,410
	Build a two storey extension	£87,865
	Build a timber frame extension	£25,910
	Install a swimming pool	£80,910
	Cost to build a single storey extension	£53,195
	Cost to build a side return extension	£40,485
	Install an RSJ	£2,110
	Build an outbuilding	£9,910
	Build a mansard loft conversion	£51,910
	Cost of a loft conversion	£32,904
	Build a kitchen extension	£41,910
	Build a hip to gable loft conversion	£41,910
	Build a granny annexe	£86,910
	Build a garden office	£9,910
	Convert a garage	£15,910
	Build a new garage	£18,410
	Build a flat roof extension	£21,910
	Build a dormer loft conversion	£41,910
	Lay a concrete foundation	£6,160
	Convert a bungalow loft	£28,910
	Basement conversion cost	£36,485

Business name	Flat roof extension cost
Fornia Build Ltd, London, Greater London, EC1V	£21,848
Fornia Build Ltd, Greater London, EC1V	£21,944
TOP CONSTRUCTION, Moorfields Eye Hospital, EC1V	£21,856
Venta Construction, 8 City Road, London, Greater London, EC1Y	£21,848
Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A	£21,848
Dual City Building Contractors Limited, London, EC1V	£21,944
Uno contract limited, Greater London, EC1V	£21,944
Miah Designs and Build, Greater London, EC1V	£21,944
Eastgrand Limited, Greater London, EC1V	£21,944
STAY STEEL, London, EC1V	£21,944
Master Build Team, Greater London, EC1V	£21,944
MM Construction Group, 152-160 City Road, London, Greater London, EC1V	£21,848
Reltic Project, Londonderry, EC1V	£21,944
Alkemist Build and Decorate, Kemp House, 160 City Road,, London, Londonderry, EC1V	£21,848
Cadway Group Ltd, Kemp House, 160 City Road, London, Greater London, EC1V	£21,848
Aviary Property, Kent, EC1V	£21,944
Redway Construction, London, Greater London, EC1V	£21,848
PAD, Greater London, EC1V	£21,944
Equitable Property & Financial Services LTD, Greater 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
Londoner Building Ltd., Greater London, EC1A	£21,944
MakoExpert Ltd - Property Refurbishment Specialist, Greater London, EC2A	£21,944

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Flat roof extension cost in EC1Y

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Flat roof extension cost in EC1Y

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