Cost to build a flat roof extension in UB10

Flat roof extension cost in UB10

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 UB10?

A flat roof extension ranges from the cheapest of £21,840 (Peter Cox Ltd - Uxbridge based in UB8) to the dearest of £21,952 (GS Design & Developments Ltd based in UB10), 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 UB10 by posting a job with HaMuch. We'll send it to extension builders in UB10.

Estimates for flat roof extension near UB10

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	£17,405
	Build a two storey extension	£87,857
	Build a timber frame extension	£25,905
	Install a swimming pool	£80,905
	Cost to build a single storey extension	£53,093
	Cost to build a side return extension	£40,427
	Install an RSJ	£2,105
	Build an outbuilding	£9,905
	Build a mansard loft conversion	£51,905
	Cost of a loft conversion	£32,856
	Build a kitchen extension	£41,905
	Build a hip to gable loft conversion	£41,905
	Build a granny annexe	£86,905
	Build a garden office	£9,905
	Convert a garage	£15,905
	Build a new garage	£18,405
	Build a flat roof extension	£21,905
	Build a dormer loft conversion	£41,905
	Lay a concrete foundation	£6,155
	Convert a bungalow loft	£28,905
	Basement conversion cost	£36,427

Business name	Flat roof extension cost
D O C BUILDING SERVICES, Hillingdon, UB10	£21,872
MCCM BUILDING SERVICES LTD, Hillingdon, UB10	£21,872
GS Design & Developments Ltd, Middlesex, UB10	£21,952
Stella Roland Property, Greater London, UB10	£21,952
Homeworks Roofing, Middlesex, UB10	£21,952
Sokhi Construction (UK) Ltd, Hillingdon, UB10	£21,896
R G Greenidge Brickwork, Yeading, UB4	£21,896
G S Builders, Uxbridge, UB8	£21,872
CC Builders UK Development, Middlesex, UB8	£21,952
PB Viking Construction Ltd, Greater London, UB8	£21,952
GMB BUILDING SERVICES, Uxbridge, UB8	£21,872
Go Building ( London ) Ltd, Middlesex, Greater London, UB4	£21,864
BP Keating, Uxbridge, UB10	£21,864
CC Builders UK & Development Ltd, Uxbridge, Greater London, UB8	£21,872
Sheppard Construction Ltd, Denham, UB9	£21,896
SNY Decorators & Construction Ltd, Hayes, UB4	£21,952
SS CONSTRUCTION , Uxbridge, UB8	£21,872
Peter Cox Ltd - Uxbridge, Peter Cox Ltd, Unit 2 Sarum Complex, Sal, UB8	£21,840
Adica Limited, london, HA4	£21,944
ECORE UK CONSTRUCTION LTD, Berkshire, UB8	£21,952
Cornhill Construction Ltd, Ruislip, HA4	£21,888
Island Exhibitions Residential Interiors, Greater London, UB8	£21,952
Floyd Andrews Building Service, Ruislip, HA4	£21,864
DeHavilland Design & Build Limited, Middlesex, Greater London, HA4	£21,864
DeHavilland Design & Build Limited, Greater London, HA4	£21,952

Extend your UB10 with an extension

Flat roof extension cost in UB10

Estimates for common extension builder jobs in UB10;

Rates for other UB10 trades

Flat roof extension cost in UB10

Get extension builder rates instantly