A campaign group has written to the government threatening legal action unless it suspends its introduction of new permitted development (PD) rights, which are due to come in to force next Monday.

Rights: Community: Action (RCA) asked law firm Leigh Day to write a “pre-action” letter to the government, informing it of its intention to launch a judicial review of the new planning rules.

The new permitted development rights, which were announced in July as part of the government’s radical shake-up of the planning system, give building owners the right in principle to extend houses upwards, and to demolish and rebuild commercial premises as housing without planning permission.

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