BNG Units for Sale in Hertfordshire
Gaia is the UK’s largest platform for Biodiversity Net Gain, offering a wide range of high-quality BNG units in Hertfordshire. From the Chilterns to the East Anglian Chalk and Thames Valley, our listings span multiple National Character Areas.
We work with over 150 trusted landowners, from independent farmers to large-scale habitat providers, to help developers source suitable off-site biodiversity units.
Below are listings in the LPAs that fall fully or partially in the Hertfordshire county.

Chiltern Habitat BankLocal Planning Authority: DacorumNational Character Area: ChilternsTotal Units: 182.96 unitsUnit Price: £25,000 - £35,000View listing
Baldock Habitat BankLocal Planning Authority: North HertfordshireNational Character Area: East Anglian ChalkTotal Units: 155.89 unitsUnit Price: POAView listing
St Albans/Three Rivers Habitat BankTotal Units: 189.11 unitsUnit Price: POAView listing
Woodoaks Farm Habitat BankTotal Units: 288.6 unitsUnit Price: POAView listingOr browse 50,000+ BNG units on Gaia
Want to sell BNG units in Hertfordshire?
Looking to sell BNG units? You’re in the right place. The BNG Marketplace offers national coverage and the largest supply of units in the country, powered by a trusted network of verified sellers. We also put your units in front of active developer demand from across the country.
No matter what stage you’re at, email us here to chat through how we can support your BNG journey.
Useful Resources
Below are some key resources to help you navigate BNG: