Cost to build an outbuilding in W1J

Outbuilding cost in W1J

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life.

Outbuilding costs in W1J range from the cheapest of £8,160 (London Design And Build based in SW1A) to the dearest of £9,944 (Mayfair Design based in W1J), but these are just estimates.

Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.

Get rates and quotes to build an outbuilding in W1J by posting a job with HaMuch and we will send it to extension builders.

How much does an outbuilding cost?
Outbuilding cost per square metre
Factors that affect the cost of an outbuilding
What can you use an outbuilding for?
Do outbuildings add value to a property?
Do you need planning permission to build an outbuilding?
What is the 4-year rule for outbuildings?
Are outbuildings covered by buildings insurance?
What are the building regulations for outbuildings?

	Job	Estimate
	Underpinning a house	£17,329
	Build a two storey extension	£87,744
	Build a timber frame extension	£25,829
	Install a swimming pool	£80,829
	Cost to build a single storey extension	£51,589
	Cost to build a side return extension	£39,581
	Install an RSJ	£2,029
	Build an outbuilding	£9,829
	Build a mansard loft conversion	£51,829
	Cost of a loft conversion	£32,151
	Build a kitchen extension	£41,829
	Build a hip to gable loft conversion	£41,829
	Build a granny annexe	£86,829
	Build a garden office	£9,829
	Convert a garage	£15,829
	Build a new garage	£18,329
	Build a flat roof extension	£21,829
	Build a dormer loft conversion	£41,829
	Lay a concrete foundation	£6,079
	Convert a bungalow loft	£28,829
	Basement conversion cost	£35,581

Business name	Outbuilding cost
Mayfair Design, Greater London, W1J	£9,944
Luxe Refurbs, 16 Berkeley Street, London, Greater London, W1J	£9,840
We Love Build - Three Arches, London, Greater London, W1J	£9,840
We Love Build, Greater London, W1J	£9,944
The Maybria Group, Mayfair, Greater London, W1J	£9,848
Future Homes Design and Build, 4 Old Park Lane, Mayfair, London, W1K	£9,848
Elv8 Interiors, Greater London, W1B	£9,944
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K	£9,840
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S	£9,848
London Design And Build , Roehampton, SW1A	£8,160
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S	£9,848
Big Mamma, Greater London, W1F	£9,944
Cornerstone, Greater London, W1F	£9,944
Sehem Design, london, W1F	£9,944
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H	£9,848
Guildon LTD, Greater London, w1b	£9,944
CORRECTBUILDIV.LTD, Greater London, W1B	£9,944
Hestia Contractors Ltd, 207 Regent Street, London, Greater London, W1B	£9,848
Azur London, Greater London, W1U	£9,944
Teammax LTD, 85 Great Portland Street, London, Greater London, W1W	£9,848
Grand Phase Ltd, 85 Great Portland Street, London, Greater London, W1W	£9,848
Capatus properties ltd, Greater London, W1W	£9,944
Italian Soft Leather Purses, Greater London, W1W	£9,944
Design 2000 UK Ltd, Greater London, W1W	£9,944
KBB Master Builder LTD, Greater London, W1W	£9,944

Add an outbuilding to your property in W1J from £8,160

Outbuilding cost in W1J

Estimates for common extension builder jobs in W1J;

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Outbuilding cost in W1J

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