It's estimated the cost of damage caused by this month's severe tidal surge could reach £1million in one part of North Yorkshire.
In a report to councillors, officials at Scarborough Borough Council said urgent repairs are needed to unsafe buildings which pose a risk of death or injury to the public.
The Borough of Scarborough was badly affected with flooding and consequent power outages in Staithes, Sandsend, Scarborough and Whitby. The areas around the harbours in Whitby and Scarborough were particularly badly affected, as were the sea defences outside the Sands apartments in Scarborough.
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Kerrie Gosney brings you Saturday night's forecast
Showers becoming heavy and thundery Saturday afternoon. Drier for a large part of Sunday
Robert Hodgson, from Stanley, County Durham, committed the offences on the girls, aged as young as five or six, up to the age of 13.