What will the Introduction of Mandatory Biodiversity Net Gain in January 2024 mean for Developers and Landowners?

Posted by Carter Jonas - Building Consultancy on 27th December 2023 -

What will the introduction of mandatory biodiversity net gain in January 2024 mean for developers and landowners?

One of the key changes for the planning system in 2024 is the introduction of Biodiversity Net Gain. This requires most new developments in England to be able to demonstrate and deliver a mandatory 10% net gain in biodiversity either on the development site or by purchasing BNG units offsite from third parties in this newly created market. It will ensure that developers leave the environment in a better state than they found it by creating or enhancing habitats for wildlife. It comes into effect from January 2024 (or April 2024 for small sites) having been delayed from Autumn 2023.

We expect BNG to have a significant impact on the development process in the UK, with increased focus on green infrastructure and more innovative design solutions. It will also transform the relationship between developers and landowners, who will enter BNG agreements for mutual benefit.

Meanwhile, Local Planning Authorities (LPAs) have been preparing their own policies and guiding framework on BNG. Many have introduced BNG requirements prior to the implementation date, and some are exploring higher percentages of net gain than the 10% prescribed. We are increasingly seeing LPAs deviating from the national position, either in the percentage net gain required or in their guidance for delivery. We are also seeing more LPAs adopting measures to channel investment towards local sites to accelerate the local market. We expect that the year ahead will bring even more creative and resourceful local solutions.

David Alborough, Consultant, Carter Jonas

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