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What the Latest Biodiversity Net Gain Changes Mean for Farmers

#241 | Source: Steph Emerson, The Farm Consultancy Group | Published on June 17th, 2026

Overall, the direction is clear. BNG is not going away, it is being streamlined. For farmers, that likely means fewer small, one-off opportunities, but a stronger and more flexible market for larger, long term habitat projects, and far fewer hurdles when planning smaller developments on their own land.

The government has confirmed that Biodiversity Net Gain (BNG) is here to stay, but the rules are being adjusted to make things simpler, especially for smaller developments and brownfield sites. For farmers, this mainly affects the potential to earn income from habitat creation and selling biodiversity units.

One of the biggest changes is that very small developments (under 0.2 hectares) will no longer need to meet BNG requirements. While this reduces demand from small projects, it also brings a very real and long-awaited benefit to the farm. In recent years, many farmers found themselves having to submit full planning applications for relatively routine developments such as livestock buildings or silage clamps, simply because they did not qualify under permitted development rules. On top of that, they then had to factor in the added cost and complexity of BNG. The removal of this requirement for small sites will come as a genuine relief, cutting out both expense and paperwork for straightforward, everyday farm projects.