The UK will be very hot this weekend. It may reach 33C on Friday.

A British Gas engineer says keeping windows closed can help. Peter Knowles said homes can be hot and stuffy.

There are ways to keep your home cool. Do chores when it's cooler outside.

Use appliances like ovens and washing machines when it's cooler. Cook early or late, and dry clothes outside.

The hottest time is usually between 11am and 3pm. Temperatures are high then.

Using the oven makes rooms hotter.

The coolest time is usually before sunrise. Check the weather to see when it is in your area.

The NHS says to stay in the shade when the sun is strong. Check the UV index and protect your skin.

The Met Office says to avoid the sun between 11am and 3pm. Wear sunscreen and a hat.

Don't use tumble dryers and washing machines to stay cool.

The NHS says some people need to be careful in the sun.

It will be hot this weekend, especially in the south. Temperatures may reach 33C on Monday.

The temperature records may be broken this weekend. It will be hot and sunny.

It may be cloudy in Northern Ireland and western Scotland. There may be sea fog on the coasts.