Drafty Doors & Windows in London Homes: Why You’re Losing Heat (and Money)

Written by
Meesha A
Published on
January 10, 2026
Introduction
If you have noticed that it is really cold in some parts of your London house, or if you have seen that your energy bills are getting more expensive, the problem is probably with your doors and windows that let air in. UK houses, the old ones usually have gaps and cracks around the doors and windows, and they are not very good at keeping the warm air inside. This makes your house feel cold. It also costs you a lot of money. In this guide, we will talk about why UK houses get so cold, how to find the spots, and what you can do to stop the cold air from getting into your house.
London homes that are really old have gaps around the windows and doors.
Cold air gets in through these gaps, and the warm air that you paid to heat up gets out.
This is not good because it makes your home feel cold. It also makes your energy bills go up.
The London homes have this problem. It makes them unpleasant to live in.
Older London homes are the ones that have problems with gaps in the windows and doors.
Fitting doors and door frames that are all warped
Old windows with just one layer of glass and no insulation
Weather stripping that is damaged
There are cracks around the door and window frames, and also around the skirting boards
You should feel the frames with your hand to see if the air is cold.
Listen to the windows on a day to see if you can hear any whistling or wind noises.
You should also look at the walls for condensation.
Windows are what you should be checking for air with your hand on the frames.
You should listen for whistling or wind noises that come from the windows on windy days.
Windows are what you should look at to see if there is condensation on them.
Published: January 14, 2026
Updated: June 25, 2026
