Cost to build a flat roof extension in Shoreditch

Flat roof extension cost in Shoreditch

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 Shoreditch?

A flat roof extension ranges from the cheapest of £21,856 (Jamie Brown Construction based in E1) to the dearest of £21,944 (Jamie Brown Construction based in E1), 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 Shoreditch by posting a job with HaMuch. We'll send it to extension builders in Shoreditch.

Estimates for flat roof extension near Shoreditch

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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Can you walk on a flat roof extension?
What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,402
	Build a two storey extension	£87,854
	Build a timber frame extension	£25,902
	Install a swimming pool	£80,902
	Cost to build a single storey extension	£53,048
	Cost to build a side return extension	£40,402
	Install an RSJ	£2,102
	Build an outbuilding	£9,902
	Build a mansard loft conversion	£51,902
	Cost of a loft conversion	£32,835
	Build a kitchen extension	£41,902
	Build a hip to gable loft conversion	£41,902
	Build a granny annexe	£86,902
	Build a garden office	£9,902
	Convert a garage	£15,902
	Build a new garage	£18,402
	Build a flat roof extension	£21,902
	Build a dormer loft conversion	£41,902
	Lay a concrete foundation	£6,152
	Convert a bungalow loft	£28,902
	Basement conversion cost	£36,402

Business name	Flat roof extension cost
Renobuild Group, London, E1	£21,888
Jamie Brown Construction, Jamie Brown Construction, London, Greater London, E1	£21,856
Jamie Brown Construction, Greater London, E1	£21,944
DARKyellow, London, Greater London, E1	£21,856
PMG Design & Build Ltd, Greater London, E1	£21,944
Pencil and Brick, Greater London, E1	£21,944
Builders, Shoreditch, E1	£21,888
AB Building Maintainance, Bethnal Green, E2	£21,864
Checa Romero, London, London, Greater London, E2	£21,856
Gabriel Shin, Greater London, E1	£21,944
evolve property solutions, Unit 143, 155 Minories, London, Greater London, EC3N	£21,856
Renovation work service, London, E1W	£21,944
Shine Your Home, Shine Your Home Services, London, Greater London, E1	£21,856
Hannah Construction, Greater London, E2	£21,944
London Roof Gardens, 30 The Leadenhall Building, 122 Leadenhall Street, London, Greater London, EC3V	£21,944
BLOCK Design & Build, London, Greater London, e2	£21,856
GenUp Digital, East Dunbartonshire, EC3M	£21,944
Helix Group Ltd, London, EC2A	£21,944
BUILDCOM, Greater London, Ec2a	£21,944
WECAN Associates, WECAN Associates, 86-90 Paul Street, London, Greater London, EC2A	£21,856
Torrington, london, EC2A	£21,888
London Art Construction and Design, Greater London, EC2A	£21,944
Kindred Elite, London, Hertfordshire, EC2A	£21,856
Glass Spaces, Extensions and Rooms, 86-90 Paul street,, EC2A	£21,856
Grandis Whim, Greater London, EC2A	£21,944

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Flat roof extension cost in Shoreditch

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Flat roof extension cost in Shoreditch

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