First topic message reminder :Winter tips for your property and related information when leaving it empty Outside Check that the roof is watertight
Check for broken tiles and replace as needed
Check for tiles that may have slipped and make sure you refit them
If you have a chimney then this is a good time to check it
Clean our the gutters and make sure the drainpipes run free
Check the ridge tiles/coping stones for any movement or gaps
Check all the exterior woodwork for any flaking paint
InsideDrain the boiler
Drain the toilet cistern
Drain all the taps both hot and cold and leave them open
Clean and empty the 'S' bends under the all sinks (if they are accessible)
Turn off the water completely at the mains
Switch of all electrical appliances
Switch of all gas connections
Switch off the main power supply to the house
Check round your house for any small holes that a mouse could get in and seal it
Check that all doors and windows close fully and are sealed well
If you have central heating Put some antifreeze in the system
Give the someone you trust a spare set of keys so the house can be checked on
I'm sure others will have more tips to add here so lets hear them