Most houses, particularly those built some time ago, throw up a few niggles from time to time – damp, draughts, creaky floorboards and so on. While some are pretty harmless, if you've found cold spots ...

Any more than five minutes out in these frosty conditions is enough to have us longing to be back in our toasty homes. But what happens when your home isn't quite as warm and comforting as you'd like ...