Cost to build a flat roof extension in St Pancras

Flat roof extension cost in St Pancras

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 St Pancras?

A flat roof extension ranges from the cheapest of £21,848 (FLAVIA CONDE based in WC1N) 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 St Pancras by posting a job with HaMuch. We'll send it to extension builders in St Pancras.

Estimates for flat roof extension near St Pancras

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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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	£17,454
	Build a two storey extension	£87,931
	Build a timber frame extension	£25,954
	Install a swimming pool	£80,954
	Cost to build a single storey extension	£54,085
	Cost to build a side return extension	£40,985
	Install an RSJ	£2,154
	Build an outbuilding	£9,954
	Build a mansard loft conversion	£51,954
	Cost of a loft conversion	£33,321
	Build a kitchen extension	£41,954
	Build a hip to gable loft conversion	£41,954
	Build a granny annexe	£86,954
	Build a garden office	£9,954
	Convert a garage	£15,954
	Build a new garage	£18,454
	Build a flat roof extension	£21,954
	Build a dormer loft conversion	£41,954
	Lay a concrete foundation	£6,204
	Convert a bungalow loft	£28,954
	Basement conversion cost	£36,985

Business name	Flat roof extension cost
Citygate, London, WC1H	£21,944
NARCH Ltd, Greater London, WC1H	£21,944
Longland Construction, Greater London, WC1N	£21,944
FLAVIA CONDE, 27 Old Gloucester Street, London, Greater London, WC1N	£21,848
CK Constructions & Development Ltd, Russell Square, WC1N	£21,888
Pacho Build Ltd, 27 Old Gloucester Street, London, Greater London, wc1n	£21,848
GD CONSTRUCTION, London, WC1X	£22,000
Otto & Mensah Build, 15 Lambs Conduit Street, London, WC1N	£21,848
Buildwiser, King's Cross, WC1X	£21,864
DeHome Studio, Greater London, N1	£21,944
Atlant Construction, London, Greater London, W1T	£21,848
TipTop Joinery & Build, London, Greater London, WC1V	£21,848
JM Building Services, Hatton Garden, EC1N	£21,888
NWL BUILDERS LTD, 4th Floor, Silverstream House, 45 Fitzroy Street, Fitzrovia, London, Greater London, W1T	£21,848
Rucco Property, Greater London, WC2H	£21,944
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H	£21,848
My Trusted Builder, London, Greater London, wc2h	£21,848
Whitehorse Build London, Greater London, WC2H	£21,944
ElleHaus, Greater London, WC2H	£21,944
ORO Projects, Greater London, WC2H	£21,944
Gil Construction Ltd, Greater London, WC2H	£21,944
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H	£21,848
Matstone Projects Limited, Greater London, WC2H	£21,944
My Lady Builder, Greater London, WC2H	£21,944
Q Lofts and Extensions , London , EC1R	£23,200

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Flat roof extension cost in St Pancras

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Flat roof extension cost in St Pancras

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