Cost to build a flat roof extension in DA10

Extend your DA10 with an extension

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 DA10?

HaMuch is Excellent

Flat roof extension cost in DA10

A flat roof extension ranges from the cheapest of £21,760 (AMD Construction and Renovation Ltd based in DA13) to the dearest of £22,000 (Hyde Building Ltd based in DA2), 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 DA10 by posting a job with HaMuch. We'll send it to extension builders in DA10.

Estimates for build a flat roof extension near DA10

	Job	Estimate
	Cost to underpin a house	£17,326
	Build a two storey extension	£87,739
	Cost to build a timber frame extension	£25,826
	Cost to build a swimming pool	£80,826
	Cost to build a single storey extension	£51,525
	Cost to build a side return extension	£39,545
	Cost to Install an RSJ	£2,026
	Build an outbuilding	£9,826
	Cost to build a mansard loft conversion	£51,826
	Cost of a loft conversion	£32,121
	Cost to build a kitchen extension	£41,826
	Build a hip to gable loft conversion	£41,826
	Build a granny annexe	£86,826
	Build a garden office	£9,826
	Cost of a garage conversion	£15,826
	Build a new garage	£18,326
	Cost to build a flat roof extension	£21,826
	Cost to build a dormer loft conversion	£41,826
	Lay a concrete foundation	£6,076
	Cost of a bungalow loft conversion	£28,826
	Basement conversion cost	£35,545

Business name	Build a flat roof extension cost
HYDER CONSTRUCTION LTD, Northfleet, DA11	£21,824
JPRMS Ltd, Northfleet, DA11	£21,848
Warren Miller Building, Northfleet, DA11	£21,848
DP Construction, Greenhithe, DA9	£21,768
GLADHOUSE CONSTRUCTION, Northfleet, DA11	£21,808
FLEX CONSTRUCTION LIMITED, Reading, RG1	£21,808
ALLTYPE BUILDING CONTRACTORS L, Meopham, DA13	£21,816
Beautiful Kitchens, Bedrooms & Bathrooms, Kent, DA11	£21,888
Deen Construction & Renovations Ltd, Tilbury, Essex, RM18	£21,776
Deen Construction & Renovations Ltd, Essex, RM18	£21,896
Renewvate, Grays, Essex, RM17	£21,792
ForsBuild Construction Ltd, Dartford, DA2	£21,784
GDL CONSTRUCTION, Gravesend, DA12	£21,808
Brown Builders UK Ltd, Gravesend, Kent, DA12	£21,776
L A CONSTRUCTION LIMITED, Grays, RM20	£21,800
PALMERS BUILDERS LIMITED, Grays, RM17	£21,816
A Tutton Building Services Limited, Dartford, DA2	£21,864
Bungar & Co ltd, Kent, Da12	£21,896
CIA Construction Limited, Tilbury, RM18	£21,840
Ciad Building Services Ltd, Gravesend, DA12	£21,808
Hyde Building Ltd, Mile End Green, Dart, DA2	£22,000
Access Builders Direct LTD, 70, Grays, RM17	£21,776
The England Team, Chafford Hundred, RM16	£21,856
TPT CONSTRUCTION, Meopham, DA13	£21,800
AMD Construction and Renovation Ltd, 67 Lewis Road, Istead Rise, Gravesend, Kent, DA13	£21,760

Extend your DA10 with an extension

Flat roof extension cost in DA10

Estimates for common extension builder jobs in DA10;

Rates for other DA10 trades

Build a flat roof extension cost in DA10

Get extension builder rates instantly