Cost to build a flat roof extension in HA8

Flat roof extension cost in HA8

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 HA8?

A flat roof extension ranges from the cheapest of £21,200 (DBR Construction Ltd based in NW7) to the dearest of £22,400 (KB Construction Ltd based in HA8), 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 HA8 by posting a job with HaMuch. We'll send it to extension builders in HA8.

Estimates for flat roof extension near HA8

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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What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,322
	Build a two storey extension	£87,733
	Build a timber frame extension	£25,822
	Install a swimming pool	£80,822
	Cost to build a single storey extension	£51,435
	Cost to build a side return extension	£39,495
	Install an RSJ	£2,022
	Build an outbuilding	£9,822
	Build a mansard loft conversion	£51,822
	Cost of a loft conversion	£32,079
	Build a kitchen extension	£41,822
	Build a hip to gable loft conversion	£41,822
	Build a granny annexe	£86,822
	Build a garden office	£9,822
	Convert a garage	£15,822
	Build a new garage	£18,322
	Build a flat roof extension	£21,822
	Build a dormer loft conversion	£41,822
	Lay a concrete foundation	£6,072
	Convert a bungalow loft	£28,822
	Basement conversion cost	£35,495

Business name	Flat roof extension cost
GUS DESIGNS LTD, Greater London, HA8	£21,960
COMPLETE CIVIL ENGINEERING, Edgware, HA8	£22,000
KB Construction Ltd, London, HA8	£22,400
TCTServ Ltd, 42 Deans Lane, Edgware, Greater London, HA8	£21,848
Dtv construction ltd, 2 hillside drive, London, Hertfordshire, HA8	£21,848
AT Contractors, Edgware, HA8	£21,440
Buildcras Ltd, Edgware, HA8	£21,600
Eternal Design and Build Ltd, Edgware, HA8	£21,888
Gleam 4 U, Edgware, HA8	£21,872
Nisup Building Services, Edgware, HA8	£21,600
Crest Construction and Interiors Ltd, Edgware, HA8	£21,888
Rapid Response Contractors Ltd, Greater London, HA8	£21,952
Coldshield ltd, Greater London, NW7	£21,960
Fitz Building Services Limited, Edgware, HA8	£21,872
Saint Martin, Greater London, HA8	£21,952
Bud construction ltd , Edgware , HA8	£21,888
Simion PC Construction Ltd, Edgware , HA8	£21,440
EDGWARE BUILDER, Edgware, HA8	£21,864
RM GRAND BUILDERS LTD, Lynford Gardens Edgware, London, HA8	£21,848
F C Builders London ltd, Edgware, HA8	£21,600
L H Builders, Edgware, HA8	£21,864
Alex Interiors Ltd, London, HA8	£21,952
Aspirations Design, 29 Harrowes Meade, Edgware, London, Greater London, HA8	£21,848
NW London Contracts Ltd, Greater London, NW7	£21,960
DBR Construction Ltd, London, NW7	£21,200

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Flat roof extension cost in HA8

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Flat roof extension cost in HA8

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