Question to the Department for Transport:

To ask the Secretary of State for Transport, pursuant to the Answer of 16 December 2025 to Question 96696 on Roads: Biodiversity, what estimate she has made of the average cost for each Nationally Significant Infrastructure Project of (a) voluntarily delivering biodiversity net gain (BNG) prior to May 2026, (b) delivering BNG on a compulsory basis during the third Road Period and (c) delivering BNG overall for schemes (i) currently under construction or (ii) in the delivery pipeline.

The Department for Transport has indicated that it will not be possible to answer this question within the usual time period. An answer is being prepared and will be provided as soon as it is available.