Chimney draught excluders are available from most DIY stores. Plastic bags stuffed with other plastic bags also work – but remember to remove it in summer to let the air circulate.

Fit strips of draught-excluder around the edges of the frame, and don’t forget to insulate the hatch itself with fibrous or solid board insulation Cut draughts with ‘snake’ draught excluders (photo, right), or similar strips of material (see over). Note that this should only be a temporary measure – while you’re trying to keep warm. Airflow between rooms is good for a home as it reduces the risk of moist air getting trapped in a particular rooms.

Fill the gaps with flexible fillers, clear or brown silicone mastic, decorators’ caulk or similar products. Draughty homes are uncomfortable. It’s also a waste of money if the heat that you’ve paid for escapes through gaps and cold air comes whistling in from outside. The good news is that draught-proofing is easy and our DIY draught-proofing guide will help you plug those gaps and stay cosy at home.