A break-in and theft (including attempted break-in), you should make sure the building is safe, secure and watertight. This might mean boarding up any broken windows or doors.
A fire, emergency services should take care of the situation but then you should make sure the building is safe, secure and watertight. This includes boarding up broken windows and doors, and might mean emergency repairs, or covering of the roof if damaged. The fire brigade or police may have even already boarded the property up for you. Never remove any damaged contents as you may need evidence of these for your claim.
An escape of water leading to flooding, you should immediately turn off the water supply at the stopcock and call a plumber. The plumber should be able to locate the source of the escaping water – you will need to know where the water has come from in order to make your claim. The plumber may also be able to make any necessary temporary emergency repairs. Never remove any water damaged contents as you may need evidence of these for your claim.
Storm damage, you should make sure the building is safe, secure and watertight by boarding up any windows and doors and covering any damage to the roof if necessary.
A flood due to inclement weather, the most important thing is that you do not throw any damaged items away and that you take pictures of the damage where you can. These will all serve as evidence to help with your claim. In the event of major floods, it might be impossible to keep water out of your buildings, but where possible you should try and sweep or mop the water out and turn any water, gas and electricity services off. Once cleared, it might also be an idea to place sandbags in external doorways to prevent further flooding if appropriate.