Regulations designed to stop major developers from trading if they fail to undertake fire safety repair work deemed necessary by the government has come into force.

The Responsible Actors Scheme (RAS), which the government says will be fully launched later this summer, has been designed by housing secretary Michael Gove to enforce his plan to get major builders to contractually commit to remediate any “life critical” defects in buildings going back 30 years in the wake of the Grenfell Tower tragedy.

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