Cost to build a flat roof extension in EC1N

Flat roof extension cost in EC1N

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 EC1N?

A flat roof extension ranges from the cheapest of £21,848 (Kovacs Construction Ltd based in EC1N) 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 EC1N by posting a job with HaMuch. We'll send it to extension builders in EC1N.

Estimates for flat roof extension near EC1N

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	£17,433
	Build a two storey extension	£87,900
	Build a timber frame extension	£25,933
	Install a swimming pool	£80,933
	Cost to build a single storey extension	£53,662
	Cost to build a side return extension	£40,748
	Install an RSJ	£2,133
	Build an outbuilding	£9,933
	Build a mansard loft conversion	£51,933
	Cost of a loft conversion	£33,123
	Build a kitchen extension	£41,933
	Build a hip to gable loft conversion	£41,933
	Build a granny annexe	£86,933
	Build a garden office	£9,933
	Convert a garage	£15,933
	Build a new garage	£18,433
	Build a flat roof extension	£21,933
	Build a dormer loft conversion	£41,933
	Lay a concrete foundation	£6,183
	Convert a bungalow loft	£28,933
	Basement conversion cost	£36,748

Business name	Flat roof extension cost
Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N	£21,848
Kovacs Construction Ltd, Greater London, EC1N	£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
JM Building Services, Hatton Garden, EC1N	£21,888
SCANDIIN, International House 24 Holborn Viaduct, London, Greater London, EC1A	£21,848
Q Lofts and Extensions , London , EC1R	£23,200
Londoner Building Ltd., Greater London, EC1A	£21,944
Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A	£21,848
SDL PKB, 107 - 111 Fleet street - London -, London, Ec4a	£21,848
Otto & Mensah Build, 15 Lambs Conduit Street, London, WC1N	£21,848
Elite Building, Greater London, WC2A	£21,944
Elite Building, 7 Bell Yard, London, Greater London, WC2A	£21,848
Flow Property Services, London, Greater London, EC4M	£21,848
TipTop Joinery & Build, London, Greater London, WC1V	£21,848
TOP CONSTRUCTION, Moorfields Eye Hospital, EC1V	£21,856
Fornia Build Ltd, London, Greater London, EC1V	£21,848
Fornia Build Ltd, Greater London, EC1V	£21,944
EB, London, EC1V	£21,888
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
Buildwiser, King's Cross, WC1X	£21,864
GD CONSTRUCTION, London, WC1X	£22,000

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Flat roof extension cost in EC1N

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Flat roof extension cost in EC1N

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