Houseplansdirect is pleased to share with you the following guide to house building costs.

Your level of involvement in your project will influence the extent of your house building costs. For simplicity, the four most common build routes have been identified below.

Build Type 1: Building on a largely DIY basis, substituting around 30% of labour costs with DIY, and employing help with the rest of the building work. Materials purchased directly.

Build Type 2: Building using trades­people hired directly. Minimal DIY involvement. Most materials purchased directly.

Build Type 3: Building using a main contractor or package supplier to complete the structure to a weathertight stage, with the remaining work being under­taken by subcontractors with most materials purchased by self-builder direct from suppliers.

Build Type 4: Building using a main contractor. Building in this way requires the least involvement from the self-builder.

Single Storey Builds

Cost per m2
Build Type 1Build Type 2Build Type 3Build Type 4
Build Type 1Build Type 2Build Type 3Build Type 4
Up to 90m2Greater London1249132313961470
South East1096116012241289
NW, SW, East & Scotland996105511141172
Mids, Yorks, NE & Wales953100910651121
90 - 160m2Greater London1144121112791346
South East1004106311221181
NW, SW, East & Scotland91396710211074
Mids, Yorks, NE & Wales8739259761028
161m2 +Greater London1019107911381198
South East8939469981051
NW, SW, East & Scotland813860908956
Mids, Yorks, NE & Wales777822868914

Two Storey Builds

Cost per m2
Build Type 1Build Type 2Build Type 3Build Type 4
Build Type 1Build Type 2Build Type 3Build Type 4
90-130m2Greater London1202127313441414
South East1055111711791241
NW, SW, East & Scotland959101610721128
Mids, Yorks, NE & Wales91797110251079
131-220m2Greater London1012107211321191
South East8889419931045
NW, SW, East & Scotland808855903950
Mids, Yorks, NE & Wales773818864909
221m2+Greater London93498910441099
South East820868917965
NW, SW, East & Scotland746790833877
Mids, Yorks, NE & Wales713755797839

House Building Costs – FAQs

Do the figures include VAT?

No. VAT is not payable on new builds.

You say the figures are for a ‘finished home’, what does this mean?

The cost per m2 figure covers everything needed for you to walk in through the front door to a habitable home,  including such things as fitted kitchens and bathrooms, but not including furniture (beds, sofas, carpets) or external landscaping.

What does the m2 measure shown cover?

The m2 figures shown are the Gross Internal Area (GIA), which is measured from the internal face of each external wall. It includes all habitable areas but does not include garages, lofts, basements or similar. These areas can, of course, be added in if you wish to convert them to habitable space.

Where do these figures come from?

The figures come directly from information provided by the Build Cost Information Service and are based on a ‘Standard’ level of specification. Updated March 2018.

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