Cost to build a flat roof extension in UB6

Flat roof extension cost in UB6

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 UB6?

A flat roof extension ranges from the cheapest of £21,040 (BS based in UB5) to the dearest of £21,944 (LSD Design and Build Ltd based in UB6), 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 UB6 by posting a job with HaMuch. We'll send it to extension builders in UB6.

Estimates for flat roof extension near UB6

How much does a flat roof extension cost?
Flat roof extension cost per m2
Factors affecting the cost of flat roof extensions
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What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,318
	Build a two storey extension	£87,726
	Build a timber frame extension	£25,818
	Install a swimming pool	£80,818
	Cost to build a single storey extension	£51,352
	Cost to build a side return extension	£39,448
	Install an RSJ	£2,018
	Build an outbuilding	£9,818
	Build a mansard loft conversion	£51,818
	Cost of a loft conversion	£32,040
	Build a kitchen extension	£41,818
	Build a hip to gable loft conversion	£41,818
	Build a granny annexe	£86,818
	Build a garden office	£9,818
	Convert a garage	£15,818
	Build a new garage	£18,318
	Build a flat roof extension	£21,818
	Build a dormer loft conversion	£41,818
	Lay a concrete foundation	£6,068
	Convert a bungalow loft	£28,818
	Basement conversion cost	£35,448

Business name	Flat roof extension cost
LSD Design and Build Ltd, London, Greater London, UB6	£21,848
LSD Design and Build Ltd, Greater London, UB6	£21,944
Avon Ruby (UK) Limited, Avon House, Ferrymead Gardens, Greenford, UB6	£21,840
Avon Ruby (UK) Limited, Middlesex, UB6	£21,888
Black Belt Construction Limited, Greater London, UB6	£21,944
Insider Property, 31 Woodhouse Avenue, Perivale, London, Greater London, UB6	£21,840
GBG Building Services Ltd, Greater London, UB6	£21,944
GBG Building Services Ltd, 59 Hodder Dr, Perivale, London, Greater London, UB6	£21,840
Caro Construction Ltd, Greater London, UB6	£21,944
Mayfair Design and Build Ltd, perivale, Ub6	£21,944
Eduard Build, Perivale, UB6	£21,856
EXTEND.HOUSE, 81 Chinnor Crescent, Greenford, London, UB6	£21,848
PARDIS DESIGN & CONSTRUCTION, Perivale, UB6	£21,864
AlanDESIGn PROPERTY SERVICES, Greater London, UB6	£21,944
A K Builders, Perivale, UB6	£21,864
PN Build Ltd, Greater London, UB6	£21,944
DS Brothers Contractors Limited, 61A The Fairway, London, UB5	£21,848
G M CONSTRUCTION, Perivale, UB6	£21,864
CEKA CONSTRUCTION LTD, Greenford, UB6	£21,600
BS, Northolt , UB5	£21,040
Absolute world ltd., LONDON, UB6	£21,944
West London Construction Services Ltd, Greater London, UB6	£21,944
NFC Construction Limited, Greenford, UB6	£21,200
PRIME BUILDERS, Perivale, UB6	£21,864
Black Oak Builders Ltd., 175 Bilton Road, London, Greater London, UB6	£21,840

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Flat roof extension cost in UB6

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Flat roof extension cost in UB6

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