Written Question·Department for Transport·UIN 93219

Roads: Biodiversity

Tabled: 20 November 2025

Answered: 28 November 2025

Question

Mr Richard Holden

To ask the Secretary of State for Transport, what estimate she has made of the potential impact of biodiversity net gain requirements on the cost of non completed strategic road network improvement projects since the implementation of the relevant legisla

Answer

Simon Lightwood

Mandatory biodiversity net gain requirements for Nationally Significant Infrastructure Projects will apply from May 2026. The 16 National Highways road enhancement schemes that already have development consent, along with one scheme awaiting a decision ex...

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