Cost to build a flat roof extension in Catford

Flat roof extension cost in Catford

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 Catford?

A flat roof extension ranges from the cheapest of £21,832 (Rapid Bee Ltd based in SE12) to the dearest of £22,000 (RR'S Builders based in SE12), 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 Catford by posting a job with HaMuch. We'll send it to extension builders in Catford.

Estimates for flat roof extension near Catford

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	£17,395
	Build a two storey extension	£87,842
	Build a timber frame extension	£25,895
	Install a swimming pool	£80,895
	Cost to build a single storey extension	£52,894
	Cost to build a side return extension	£40,316
	Install an RSJ	£2,095
	Build an outbuilding	£9,895
	Build a mansard loft conversion	£51,895
	Cost of a loft conversion	£32,763
	Build a kitchen extension	£41,895
	Build a hip to gable loft conversion	£41,895
	Build a granny annexe	£86,895
	Build a garden office	£9,895
	Convert a garage	£15,895
	Build a new garage	£18,395
	Build a flat roof extension	£21,895
	Build a dormer loft conversion	£41,895
	Lay a concrete foundation	£6,145
	Convert a bungalow loft	£28,895
	Basement conversion cost	£36,316

Business name	Flat roof extension cost
S W BUILDPROVEMENT, Greater London, SE6	£21,944
GreenGauge Heating Limited, Greater London, SE6	£21,944
S G Painting Contractor Ltd, Catford, SE6	£21,856
J&S WALLINGTON LIMITED, Greater London, SE6	£21,936
Baseline Build and Renovate Ltd, 87 Selworthy Road, London, London, SE6	£21,840
Construction Surety, Greater London, SE13	£21,944
MPN Engineering LTD, Greater London, BR1	£21,936
Carai Ltd, Bromley, BR1	£21,880
Pure Building & Maintenance Services Limited, Surrey, SE26	£21,944
HA.ME.RA Building & Decoration, Bromley, BR1	£21,880
JBS BUILDERS, Lewisham, SE13	£21,864
AADO SERVICES LTD, Flat 2, 33 Campshill Road, London, Greater London, SE13	£21,848
Rapid Bee Ltd, 58 Bramdean Crescent, Lee, London, Hertf, SE12	£21,832
RR'S Builders, London, SE12	£22,000
Justin Bailey, Greater London, SE4	£21,944
CHRIS BALL & SON ROOFING LTD, Forest Hill, SE23	£21,856
STOYANOV CONSTRUCTION LTD, Forest Hill, SE23	£21,864
SMS Construction Services Ltd, London, SE12	£21,944
JEM BUILDING CONTRACTORS LTD, Grove Park, SE12	£21,864
Archteckbuild, Grove Park, SE12	£21,880
GREENWICH CONSTRUCTION, Grove Park, SE12	£21,856
South East Builders, London, SE4	£21,864
RM Building (London) Ltd, Nr Forest Hill, SE23	£21,864
Albion Roofing Solutions, 2 Dacres Road, Forest Hill, London, Grea, SE23	£21,840
Color Revolution Limited, Greater London, SE12	£21,944

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Flat roof extension cost in Catford

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Flat roof extension cost in Catford

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