Cost to build a flat roof extension in EC1M

Flat roof extension cost in EC1M

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 EC1M?

A flat roof extension ranges from the cheapest of £21,848 (Aylaa Exclusive based in EC1A) 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 EC1M by posting a job with HaMuch. We'll send it to extension builders in EC1M.

Estimates for flat roof extension near EC1M

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	£17,440
	Build a two storey extension	£87,910
	Build a timber frame extension	£25,940
	Install a swimming pool	£80,940
	Cost to build a single storey extension	£53,803
	Cost to build a side return extension	£40,827
	Install an RSJ	£2,140
	Build an outbuilding	£9,940
	Build a mansard loft conversion	£51,940
	Cost of a loft conversion	£33,189
	Build a kitchen extension	£41,940
	Build a hip to gable loft conversion	£41,940
	Build a granny annexe	£86,940
	Build a garden office	£9,940
	Convert a garage	£15,940
	Build a new garage	£18,440
	Build a flat roof extension	£21,940
	Build a dormer loft conversion	£41,940
	Lay a concrete foundation	£6,190
	Convert a bungalow loft	£28,940
	Basement conversion cost	£36,827

Business name	Flat roof extension cost
Londoner Building Ltd., Greater London, EC1A	£21,944
Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A	£21,848
Kovacs Construction Ltd, Greater London, EC1N	£21,944
Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N	£21,848
SCANDIIN, International House 24 Holborn Viaduct, London, Greater London, EC1A	£21,848
Andrew Penny Construction, 63-66 Hatton Garden 5th floor Suite 23, London, Greater London, EC1N	£21,848
Oxford West, London, EC1N	£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
Q Lofts and Extensions , London , EC1R	£23,200
JM Building Services, Hatton Garden, EC1N	£21,888
SDL PKB, 107 - 111 Fleet street - London -, London, Ec4a	£21,848
Flow Property Services, London, Greater London, EC4M	£21,848
EB, London, EC1V	£21,888
Venta Construction, 8 City Road, London, Greater London, EC1Y	£21,848
Elite Building, Greater London, WC2A	£21,944
Elite Building, 7 Bell Yard, London, Greater London, WC2A	£21,848
Otto & Mensah Build, 15 Lambs Conduit Street, London, WC1N	£21,848
Dual City Building Contractors Limited, London, EC1V	£21,944
Redway Construction, London, Greater London, EC1V	£21,848
K Construct Ltd, Greater London, EC1V	£21,944
Arkbuild.london, Greater London, Ec1v	£21,944
Uno contract limited, Greater London, EC1V	£21,944
TP Building & Development Services Limited, Greater London, EC1V	£21,944

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Flat roof extension cost in EC1M

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Flat roof extension cost in EC1M

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