Free tools
Free biodiversity net gain calculators
Quick, free estimates for developers and landowners. You see your result straight away, without giving us your email. Every figure shows where it came from.
For developers
What will BNG units cost?
Enter your site postcode and the units you need, or upload your metric. See low, middle and high costs delivered to your site, and the listings that could supply them.
Work out the costFor developers and planners
Does BNG apply to my development?
Answer a few questions, one at a time, to see if your development is exempt, can use the Small Sites Metric, or needs the full statutory metric.
Check if BNG appliesFor landowners
What could my land earn?
See how many units your land could create, what they might sell for, and what is left after 30 years of costs. Change any figure to match your own.
Estimate my land's valueMonthly market updates
Prices, supply and rule changes in the biodiversity net gain market, once a month. Unsubscribe at any time.
Get monthly updates