Cost to build an outbuilding in SW20

Outbuilding cost in SW20

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 SW20 range from the cheapest of £9,280 (ANGEL BUILDING LTD based in SW19) to the dearest of £10,240 (Silverain Limited based in SW19), 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 SW20 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	£17,368
	Build a two storey extension	£87,803
	Build a timber frame extension	£25,868
	Install a swimming pool	£80,868
	Cost to build a single storey extension	£52,370
	Cost to build a side return extension	£40,020
	Install an RSJ	£2,068
	Build an outbuilding	£9,868
	Build a mansard loft conversion	£51,868
	Cost of a loft conversion	£32,517
	Build a kitchen extension	£41,868
	Build a hip to gable loft conversion	£41,868
	Build a granny annexe	£86,868
	Build a garden office	£9,868
	Convert a garage	£15,868
	Build a new garage	£18,368
	Build a flat roof extension	£21,868
	Build a dormer loft conversion	£41,868
	Lay a concrete foundation	£6,118
	Convert a bungalow loft	£28,868
	Basement conversion cost	£36,020

Business name	Outbuilding cost
BuildExtensions, 604 Kingston Road, Raynes Park, SW20	£9,840
Kisiel Group, London, Greater London, SW20	£9,840
SURREY HOME & GARDEN SERVICES, London, SW20	£9,960
Arkadia Properties Ltd, Greater London, SW20	£9,944
RECOM Construction, Greater London, SW20	£9,944
RELM Interiors Ltd, 50 Southdown Road, London, Greater London, SW20	£9,944
My Design Needs / Modernation Ltd., Greater London, SW20	£9,936
SOUTH SIDE BUILDERS, Merton, SW20	£9,856
Ash House Investment Ltd, London, Surrey, kt3	£9,832
Racsel Building Services Ltd, New Malden, KT3	£9,856
Racsel Building Services Ltd, New Malden, KT3	£9,856
Early Druid Ltd, New Malden, KT3	£9,600
EcoHomeLondonLtd, Greater London, SM4	£9,936
Flanagan Construction Ltd, Morden, SM4	£10,000
Design Manage Build, Worple road mews, Wimbledon, London, Sw19	£9,840
Emcon Services Ltd, New Malden, KT3	£9,920
PT DECORATIONS LTD, Morden, SM4	£9,888
Silverain Limited, London , SW19	£10,240
Galaxy Extend, 17A, New Malden, Errol Gardens, London, Greater London, KT3	£9,832
DesignBox Architecture Limited, London, SW19	£9,880
ANGEL BUILDING LTD, London, SW19	£9,280
XUE BUILDERS, New Malden, KT3	£9,856
Firman Reece Ltd, 11 Alexandra Road, London, Greater London, SW19	£9,840
Bagnall Brickwork, Surrey, SM4	£9,936
BLU STAR BUILD LLP, New Malden, KT3	£9,856

Add an outbuilding to your property in SW20 from £9,280

Outbuilding cost in SW20

Estimates for common extension builder jobs in SW20;

Rates for other SW20 trades

Outbuilding cost in SW20

Get extension builder rates instantly