Check the policy. Find out exactly what your insurance company will pay for. You may be entitled to assistance with temporary accommodation, drying apparatus and electricity and gas inspections.
Take photographs or video footage of all damage, both to your property and your possessions.
Mark the water levels on the walls for reference. Your insurance company may appoint a builder or you may be asked to obtain competitive quotes from several companies.
Always ensure the insurance company has given approval before going ahead with repair work.