Construction cost estimator — internal use only
Garden dimensions
sq metres
Zone split
Zone 10–5m from house
£250–£400/m²
Zone 25–10m
£150–£250/m²
Zone 310m+
£80–£150/m²
Zone rates are applied automatically based on garden length. Zone 1 is always the most expensive — terrace, level changes, direct house connections. Costs reduce with distance from the house.
Quality level
Construction features
Premium additions

Fixed-cost items supplied and installed by specialists. Includes supply, delivery, base preparation and installation. Excludes ongoing running costs and VAT.

Estimated construction cost
Enter garden dimensions to generate an estimate.