Avoid cluttered appearances. Installing smoke alarms doesn't hurt. A product called Klear is great for polishing Lino. They are one of the key rooms in the property. Try to achieve a happy medium .a warm, friendly room without untidiness.
Illumination is like a welcome sign.
The potential tenant will appreciate your property better when we turn on all your lights for an evening inspection. Do you have internal heating and does it all work. A cold property on a cold day is less appealing. Where practical have your property heated to a comfortable level. To maintain a nice garden, spray weed growth four times a year and plant 'trouble free' plants, such as Agapanthus, Daisy bushes and Lavender.