Cost to build a flat roof extension in EC4N

Flat roof extension cost in EC4N

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 EC4N?

A flat roof extension ranges from the cheapest of £21,848 (Volute London based in EC4N) to the dearest of £21,944 (Londoner Building Ltd. based in EC1A), 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 EC4N by posting a job with HaMuch. We'll send it to extension builders in EC4N.

Estimates for flat roof extension near EC4N

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?
How long does a flat roof extension take?
Do you need planning permission for a flat roof extension?
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	£17,384
	Build a two storey extension	£87,826
	Build a timber frame extension	£25,884
	Install a swimming pool	£80,884
	Cost to build a single storey extension	£52,677
	Cost to build a side return extension	£40,193
	Install an RSJ	£2,084
	Build an outbuilding	£9,884
	Build a mansard loft conversion	£51,884
	Cost of a loft conversion	£32,661
	Build a kitchen extension	£41,884
	Build a hip to gable loft conversion	£41,884
	Build a granny annexe	£86,884
	Build a garden office	£9,884
	Convert a garage	£15,884
	Build a new garage	£18,384
	Build a flat roof extension	£21,884
	Build a dormer loft conversion	£41,884
	Lay a concrete foundation	£6,134
	Convert a bungalow loft	£28,884
	Basement conversion cost	£36,193

Business name	Flat roof extension cost
Omniform, Greater London, EC3V	£21,856
Volute London, London, Greater London, EC4N	£21,848
Flow Property Services, London, Greater London, EC4M	£21,848
Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A	£21,848
Londoner Building Ltd., Greater London, EC1A	£21,944
London Roof Gardens, 30 The Leadenhall Building, 122 Leadenhall Street, London, Greater London, EC3V	£21,944
SDL PKB, 107 - 111 Fleet street - London -, London, Ec4a	£21,848
SCANDIIN, International House 24 Holborn Viaduct, London, Greater London, EC1A	£21,848
GenUp Digital, East Dunbartonshire, EC3M	£21,944
Venta Construction, 8 City Road, London, Greater London, EC1Y	£21,848
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
Shine Your Home, Shine Your Home Services, London, Greater London, E1	£21,856
evolve property solutions, Unit 143, 155 Minories, London, Greater London, EC3N	£21,856
Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N	£21,848
Kovacs Construction Ltd, Greater London, EC1N	£21,944
Space Design Construction Services Ltd, London, Greater London, SE1	£21,848
Elite Building, 7 Bell Yard, London, Greater London, WC2A	£21,848
Elite Building, Greater London, WC2A	£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
MakoExpert Ltd - Property Refurbishment Specialist, Greater London, EC2A	£21,944
Helix Group Ltd, London, EC2A	£21,944
BUILDCOM, Greater London, Ec2a	£21,944

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Flat roof extension cost in EC4N

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Flat roof extension cost in EC4N

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