Floor Area

Building Length in metres

Building Width in metres

Floor Area Total

m2

Wall Areas

Wall Length 1

Wall Length 2

Wall Length 3

If its a rectangle building - Should be the same length as (wall length 1)

Wall Heights

Typical single storey is 2.4m - 3m. Typical two storey is 5.2m from ground level to underside of roof

Windows

Window 1 Width

Window 1 Height

Window 2 Width

Window 2 Height

Window 3 Width

Window 3 Height

Window 4 Width

Window 4 Height

Total Wall Area

m2

Foundations

Strip Foundation Width

Sub-Base

MOT Type 1 Base

tonnes

Allowance for 150mm Base of type 1

Blinding Sand Required

Concrete Slab

m3

Allowance for 100mm Concrete Base

Floor Screed

m3

Allowance for 75mm Floor Screed

PIR Board Insulation 1.2m x 2.4m

Sheets

Celotex / Kingspan / Recticel

1200 Gauge DPM

m2

Allowance for lapping DPM

Bricks Required

Blocks Required

Bags of Cement Required

For a mix of 4 parts sand and 1 part cement

Packs of Insulation Required

Knauf Insulation Earthwool Dritherm Cavity Slab

Wall Ties Required

Building Sand Required

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