A new bathroom is a great way of adding value to your home but there are a few key points to bear in mind before you embark on improving the smallest room in the house. Leekes bathroom buyer, Paul Collier, advises us on his top tips for planning and buying a bathroom and how to avoid the most common pitfalls. Start by producing a scale version floor plan which will give you an idea of the existing shape of your bathroom and the positioning of all sanitary-ware. It is advisable to try to leave the…