You're mistaken.

Onshore wind in England was de-facto but not de-jure banned by the Tories in 2018, due to a footnote inserted in their National Planning Policy Framework. Labour removed this footnote in 2024, immediately after winning the election. [0]

Offshore wind was never affected, nor onshore wind in Scotland, Wales or Northern Ireland.

[0] https://www.gov.uk/government/publications/policy-statement-...