Cost to build an outbuilding in W1B

Outbuilding cost in W1B

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 W1B range from the cheapest of £9,840 (We Love Build - Three Arches based in W1J) to the dearest of £9,944 (Sehem Design based in W1F), 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 W1B 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	£17,406
	Build a two storey extension	£87,859
	Build a timber frame extension	£25,906
	Install a swimming pool	£80,906
	Cost to build a single storey extension	£53,125
	Cost to build a side return extension	£40,445
	Install an RSJ	£2,106
	Build an outbuilding	£9,906
	Build a mansard loft conversion	£51,906
	Cost of a loft conversion	£32,871
	Build a kitchen extension	£41,906
	Build a hip to gable loft conversion	£41,906
	Build a granny annexe	£86,906
	Build a garden office	£9,906
	Convert a garage	£15,906
	Build a new garage	£18,406
	Build a flat roof extension	£21,906
	Build a dormer loft conversion	£41,906
	Lay a concrete foundation	£6,156
	Convert a bungalow loft	£28,906
	Basement conversion cost	£36,445

Business name	Outbuilding cost
Sehem Design, london, W1F	£9,944
Cornerstone, Greater London, W1F	£9,944
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S	£9,848
Big Mamma, Greater London, W1F	£9,944
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S	£9,848
Elv8 Interiors, Greater London, W1B	£9,944
Hestia Contractors Ltd, 207 Regent Street, London, Greater London, W1B	£9,848
Guildon LTD, Greater London, w1b	£9,944
CORRECTBUILDIV.LTD, Greater London, W1B	£9,944
We Love Build, Greater London, W1J	£9,944
UCS UK Ltd, Greater London, W1W	£9,944
JK Doors, Fitzrovia, W1W	£9,888
JAY Executinos LTD, London, W1W	£9,944
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
Teammax LTD, 85 Great Portland Street, London, Greater London, W1W	£9,848
Eternal Solutions, Greater London, W1W	£9,944
KBB Master Builder LTD, Greater London, W1W	£9,944
KBB Master Builder Ltd, Greater London, W1W	£9,944
Grand Phase Ltd, 85 Great Portland Street, London, Greater London, W1W	£9,848
We Love Build - Three Arches, London, Greater London, W1J	£9,840
Luxe Refurbs, 16 Berkeley Street, London, Greater London, W1J	£9,840
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K	£9,840
Atlant Construction, London, Greater London, W1T	£9,848

Add an outbuilding to your property in W1B from £9,840

Outbuilding cost in W1B

Estimates for common extension builder jobs in W1B;

Rates for other W1B trades

Outbuilding cost in W1B

Get extension builder rates instantly