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UK Eases Biodiversity Net Gain Rules for Small Sites to Accelerate Housebuilding

Environmental groups warn the carve-out will cut planned habitat restoration, unsettling private investment.

Overview

  • Developments under 0.2 hectares are now exempt from the 10% biodiversity net gain requirement, announced by housing minister Matthew Pennycook.
  • The change forms part of a housing package targeting 1.5 million new homes, including a default yes for suitable projects near rail stations and a possible building safety levy exemption for smaller builders.
  • The Wildlife Trusts estimate the exemption could forgo habitat restoration across an area comparable to Windsor Great Park, with campaigners noting that 77% of applications fall under 0.2 hectares.
  • Conservation leaders accuse housing secretary Steve Reed of reversing earlier assurances to uphold biodiversity net gain made when he served as environment secretary.
  • Ministers will consult on prioritising brownfield development and simplifying rules for offsite habitat delivery, with separate work under way on how major infrastructure projects should meet net gain.