The Labour Government have made some utterances about changing the exemptions. However – as BNG is an Act of Parliament, it will require a further Act of Parliament to amend any aspect of it. Consequently, it is likely to be some time before the January 2026 utterances are tested in Parliament.

https://www.gov.uk/guidance/biodiversity-net-gain-exempt-developments

https://www.legislation.gov.uk/ukpga/2021/30/contents/enacted

We are not legal advisers, if you are unsure whether to wait to see what happens, we suggest you take legal advice in this regard.