Block Wall Estimator

Calculate bricks or blocks, mortar, sand, cement and wall ties for a structural or garden wall.

Materials for a 2m by 0.9m block wall

For a wall measuring 2 metres by 0.9 metres, this estimate includes bricks, blocks, mortar, sand, cement and wall ties using the default UK assumptions below.

  • Net wall area1.80 m²
  • Bricks needed119 bricks
  • Blocks needed20 blocks
  • Approx mortar volume0.04 m³
  • Recommended sand0.10 tonnes
  • Estimated cement1 bags (25kg)
  • Wall ties5

Results - Block Wall Estimator

  • Net wall area1.80 m²
  • Bricks needed119 bricks
  • Blocks needed20 blocks
  • Approx mortar volume0.04 m³
  • Recommended sand0.10 tonnes
  • Estimated cement1 bags (25kg)
  • Wall ties5

Block wall estimate notes

This estimator uses a single-skin benchmark of sixty bricks per square metre, a typical ten millimetre joint, and a recommendation of zero point eight tonnes of sand per one thousand bricks. Wall ties are included for cavity or structural wall scenarios and can be adjusted if your detail differs.

Popular sizes

These block wall presets cover common structural and garden wall sizes so visitors can jump straight into a realistic materials estimate.

Block wall buyers often search by recognisable garden wall and structural wall sizes. Pages such as 2m × 0.9m, 2m × 1m, 2.5m × 0.9m, 2m × 1.2m give them direct answers for bricks, blocks, mortar, sand, cement and wall ties while keeping the calculator editable.

Disclaimer

Material quantities shown are estimates for guidance only. Although typical UK wastage and compaction allowances have been included, actual requirements may vary depending on site conditions, installation methods, and material differences. Please confirm quantities with your installer or supplier before ordering. We accept no liability for inaccuracies, financial loss, or delays arising from the use of these estimates.