Driveway estimator

What this works out

The steps

Work through these calculators in order. Each one takes the measurements from the step before.

  1. Dig and muck away
  2. Sub-base (MOT Type 1)
  3. Block paving, laying course and jointing sand
  4. Fall to a drain
  5. Soakaway (if the water has nowhere else to go): a permeable drive may not need one; check the local rules on run-off

Questions for your builder

  • Do I need planning permission for this drive?
  • Does the kerb need dropping, and has the council agreed it?
  • How deep should the sub-base be for cars on this ground?
  • Where will the surface water go?

Before you start