Work wall by wall
Multiply width by height for each rectangular area. Measure from ground level where possible.
Free planning tool
Exterior cladding cost calculator
Turn rough wall measurements into an order quantity and an editable UK budget range. No email address required.
01
Enter your wall measurements
Use metres. Add all door and window openings together.
02
Choose a planning assumption
These editable ranges are not supplier quotes.
Show cost assumptions
Material: £35–£70 per m²
Installation: £55–£95 per m²
Installation assumptions include typical labour and basic subframe work, but not access equipment, insulation, structural repairs, approvals or unusual detailing.
How to measure safely
Subtract openings
Calculate the area of windows and doors, then subtract their combined total.
Add waste
Ten per cent is a useful planning start. Complex cuts or layouts may need more.