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Cost calculator

Statutory Credit Cost Estimator

Enter your biodiversity unit shortfall by habitat distinctiveness tier to estimate the cost of statutory credits, including the mandatory 2x Spatial Risk Multiplier (SRM).

Enter your unit shortfall

Enter the number of biodiversity units you need to offset for each habitat distinctiveness tier. These figures come from your DEFRA Metric calculation.

e.g. lowland meadow, ancient woodland (open habitat), lowland fen

Base price: £650k/unit

e.g. traditional orchard, species-rich grassland, wood pasture

Base price: £280k/unit

e.g. modified grassland, dense scrub, mixed deciduous woodland

Base price: £42k/unit

e.g. arable land, bare ground, improved grassland

Base price: £10k/unit

e.g. artificial surfaces, urban areas

Base price: £2k/unit

Cost estimate

All figures include the mandatory 2x Spatial Risk Multiplier (SRM).

Tier breakdownCost (incl. 2x SRM)
Very High Distinctiveness
High Distinctiveness
Medium Distinctiveness
Low Distinctiveness
Very Low Distinctiveness
Total statutory credit cost
Before 2x SRM:

Enter unit quantities above to see your cost estimate

Disclaimer: This calculator uses the published statutory biodiversity credit prices and applies the mandatory 2x Spatial Risk Multiplier. Actual prices may change. Off-site unit prices are indicative only — actual market prices vary by habitat type, location, and timing. This is not financial advice.