Cost to build a flat roof extension in SE1

Flat roof extension cost in SE1

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 SE1?

A flat roof extension ranges from the cheapest of £21,848 (Stanrock Building Services Ltd based in se1) to the dearest of £21,944 (Stanrock Building Services Ltd based in se1), 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 SE1 by posting a job with HaMuch. We'll send it to extension builders in SE1.

Estimates for flat roof extension near SE1

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	£17,393
	Build a two storey extension	£87,839
	Build a timber frame extension	£25,893
	Install a swimming pool	£80,893
	Cost to build a single storey extension	£52,856
	Cost to build a side return extension	£40,294
	Install an RSJ	£2,093
	Build an outbuilding	£9,893
	Build a mansard loft conversion	£51,893
	Cost of a loft conversion	£32,745
	Build a kitchen extension	£41,893
	Build a hip to gable loft conversion	£41,893
	Build a granny annexe	£86,893
	Build a garden office	£9,893
	Convert a garage	£15,893
	Build a new garage	£18,393
	Build a flat roof extension	£21,893
	Build a dormer loft conversion	£41,893
	Lay a concrete foundation	£6,143
	Convert a bungalow loft	£28,893
	Basement conversion cost	£36,294

Business name	Flat roof extension cost
GILL BUILDING CONTRACTORS, Bermondsey, SE1	£21,864
Stanrock Building Services Ltd, Greater London, se1	£21,944
Stanrock Building Services Ltd, Unit 3b Plantain Place, London, Greater London, se1	£21,848
Kia Designs, Greater London, SE1	£21,944
SE1 Property Care Ltd., Greater London, SE1	£21,944
D & S CONSTRUCTION LTD, Bermondsey, SE1	£21,864
Space Design Construction Services Ltd, London, Greater London, SE1	£21,848
AGRI CONSTRUCTION, Bermondsey, SE1	£21,856
Altana Building Co.Ltd, Bermondsey, SE1	£21,888
AAA Design Decorators, Elephant & Castle, SE17	£21,880
Propia Limited, The Clarence Centre, 6 St George's Circus, London, Greater London, SE1	£21,848
GenUp Digital, East Dunbartonshire, EC3M	£21,944
Volute London, London, Greater London, EC4N	£21,848
Infinite CM, Greater London, SE1	£21,936
Home Tranformers Ltd, London, SE1	£21,944
Queenie Chan Studio, Greater London, SE16	£21,944
Ask Building, Bermondsey, SE1	£21,888
Omniform, Greater London, EC3V	£21,856
Renovation work service, London, E1W	£21,944
London Roof Gardens, 30 The Leadenhall Building, 122 Leadenhall Street, London, Greater London, EC3V	£21,944
Ac construction, 154 jamaica road, London, Greater London, Se16	£21,848
evolve property solutions, Unit 143, 155 Minories, London, Greater London, EC3N	£21,856
Flow Property Services, London, Greater London, EC4M	£21,848
Oxus Construction, Kent, SE15	£21,944
Oxus Ltd, London, SE15	£21,848

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Flat roof extension cost in SE1

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Flat roof extension cost in SE1

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