The first building regulations took effect on the 1st April 1966. Local authorities had little time to prepare for the regulations although many were based on the model byelaws.
The regulations remained specific, but were more flexible in allowing British Standards to be used as "deemed to satisfy"
Local authorities are not immune from claims for compensation.
Mrs. Sadie Dutton sued Bognor Regis Council because the foundations of her house failed. This was followed by Anns v London Borough of Merton again concerning foundation failure.
These cases and others caused great alarm in local councils, procedures for plan checking and site inspection were reviewed.