BT18 two storey extensions from £86,440

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Cost of a two storey extension in BT18

A two storey extension is a great way to add extra space to your home, adding value to your property. But how much does it cost to build a double storey extension in BT18?

Costs range from £86,440 (Anak based in BT40) to £86,800 (N W Doyle & Son based in BT24), but these are just estimates. The best way to compare costs is to get real quotes from real builders.

Post your job on HaMuch and we'll send it to extension builders to BT18.

Estimates for two storey extension near BT18

Estimates for common extension builder jobs in BT18;

JobEstimate
Underpinning a house£16,612
Build a two storey extension£86,669
Build a timber frame extension£25,112
Install a swimming pool£80,112
Cost to build a single storey extension£37,248
Cost to build a side return extension£31,515
Install an RSJ£1,312
Build an outbuilding£9,112
Build a mansard loft conversion£51,112
Cost of a loft conversion£25,429
Build a kitchen extension£41,112
Build a hip to gable loft conversion£41,112
Build a granny annexe£86,112
Build a garden office£9,112
Convert a garage£15,112
Build a new garage£17,612
Build a flat roof extension£21,112
Build a dormer loft conversion£41,112
Lay a concrete foundation£5,362
Convert a bungalow loft£28,112
Basement conversion cost£27,515
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Rates for other BT18 trades

Appliance Repair Specialist
Bathroom Fitter
Builder
Carpenter and Joiner
Cleaner
Conservatory Specialist
Door Fitter
Drain Specialist
Driveway Specialist
Electrician
Extension Builder
Fencer
Fire and Security Specialist
Flooring Specialist
Gardener
Handyman
Heating Engineer
Kitchen Fitter
Landscaper
Painter and Decorator
Patio and Path Specialist
Plasterer
Plumber
Removals and Storage
Roofer
Tiler
Window Fitter
Two storey extension cost in BT18
Estimate Two storey extension cost in BT18 based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
Ballantine building solutions, Antrim, Bt37 £86,716
Designco Ltd, Antrim, BT36 £86,728
M & M Construction, Mossley, BT36 £86,620
DGA, Antrim, BT37 £86,740
SM Plumbing & Heating, Ormeau, BT7 £86,632
MIRKOW, Cregagh, BT6 £86,632
Firenstack Solutions, Cregagh, BT6 £86,620
C.H Property Services, Falls Road, BT12 £86,632
McEvoy Building & Joinery, Cregagh, BT6 £86,644
LM Design & Build, Antrim, BT36 £86,752
Extended living by Gilbert-Ash, 47 Boucher Road, Belfast, BT12 £86,608
H.M.Builders, Andersonstown, BT11 £86,644
AK Building Services, Carryduff, BT8 £86,728
Belfast Loft Company, Belfast, BT17 £86,656
Mount Oriel Conversions & Extensions, Belfast, BT8 £86,644
Finch Construction NI, Antrim, BT28 £86,776
apex pharaoh ltd, Down, bt30 £86,704
T.I Building, Ballinderry, BT28 £86,656
Anak , larne, BT40 £86,440
N W Doyle & Son, Ballynahinch, BT24 £86,800

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Two Storey Extension near Holywood£19£125
Two Storey Extension near Greenisland£20£134
Two Storey Extension near Belfast£19£132
Two Storey Extension near Carrickfergus£21£145
Two Storey Extension near Bangor£20£150
Two Storey Extension near Bangor£20£150
Two Storey Extension near Ballygowan£20£150
Two Storey Extension near Comber£20£142
Two Storey Extension near Carryduff£19£130
Two Storey Extension near Ballyclare£17£110