Must protect your property through a secure, for example, peril-housing (there is a mandatory fire insurance).
Have all the documentation of your current property: Housing License, booklet, building, Conservatory certificate from the Land Registry and energy certificate Ask the use of license at City Hall, will require the Land book.
If you wish to rent the property with filling, worth doing an inventory of goods, and put in the list attached to the lease agreement.
Should consider a bail for possible damage.
It will be useful to inform the administration of the condominium on the lease.
Know that since 1 December 2013 owners wishing to sell or rent your home and, to publish such an ad, there are mandatorily to have that moment of announcement Certificate of Energy Efficiency.