
Maintaining the ideal home temperature
Deciding on the ideal home temperature is not always straightforward. Every home and household is different, but understanding a comfortable temperature range can help you stay cosy while managing energy costs more efficiently.
This guide explains the recommended temperature range for UK homes, the bedroom temperature experts suggest for better sleep, and how thermostat settings can help reduce energy use while keeping your home comfortable.
What temperature should your house be?
To stay warm, you should heat your home to a temperature that’s comfortable for you and other members of your household.
The NHS advises keeping your home at least 18°C, particularly in the rooms you use most. This may be too low for some people, including older adults and those with certain health conditions, so it’s important to choose a temperature that works for you and your household.
According to Energy Saving Trust, most people find 18°C to 21°C comfortable, with 18°C often recommended as a healthy minimum indoor temperature. For many households, this range works well for living spaces.
If you're unsure what temperature works best in your home, try gradually adjusting your thermostat over time. For example:
Week one: 21°C
Week two: 20°C
Week three: 19°C
This can help you find a balance between comfort and energy efficiency that suits your household.

Why home temperature changes throughout the year
During summer, you may not need heating at all. In periods of hot weather, keeping your home cool becomes more important than heating efficiency.
To keep your home comfortable during summer, you can:
Open windows when outdoor air is cooler
Close blinds and curtains during the hottest parts of the day
Avoid using heat-generating appliances unnecessarily
Stay in cooler areas of the home
For more information, please see GOV.UK’s guidance for keeping cool at home.
You’ll also want anyone else you live with to be comfortable, so it’s worth agreeing on a temperature before you start adjusting the thermostat.
What temperature should a house be to save money?
Reducing your thermostat setting is a simple way to save energy and money. According to Energy Saving Trust, lowering your heating from 22°C to 21°C could save you around £90 a year in Great Britain.
Lowering your thermostat can help cut energy use, but comfort and safety should come first. Many households aim for 18°C to 21°C, depending on comfort levels and how well the home is insulated. If your home feels cold or is expensive to heat, poor insulation may be the real issue, and improving it could be more effective than turning the heating down further.
Smart meters and heating efficiency
If you want a clearer picture of how your heating affects your energy use, a smart meter can help. It shows how much energy you’re using and what it’s costing, so you can spot patterns, make informed choices and see how changes to your heating routine affect your bills.
What temperature should a bedroom be?
The ideal temperature for sleeping is usually a little cooler than the temperature that feels comfortable during the day. After all, when you’re in bed, you’re likely under a duvet or blankets.
BBC Future suggests that the ideal bedroom temperature in the UK for sleeping is between 16°C and 18°C, and may be slightly higher for older adults.
Maintaining the ideal home temperature
If you’re finding it hard to keep your home at a comfortable temperature, a few practical changes can improve efficiency and help your heating system work more effectively. Here are some tips:
Bleed your radiators on a regular basis. Regularly bleeding your radiators helps them run efficiently and heat your rooms more effectively.
Avoid putting furniture in front of your radiators. If your sofa is right up against the radiator, it’ll block the heat, and your room won’t warm up as efficiently.
Install radiator reflector panels behind your radiators, if they’re attached to an external wall. These panels reflect heat back into the room instead of letting it escape through the wall.
Use thermostatic radiator valves to adjust the temperature in different rooms. This means you’re not heating unused spaces more than necessary. You can learn more about adjusting thermostatic radiator valves in our guide.
Consider a smart thermostat. Smart thermostats can help you manage your heating more efficiently by adjusting schedules around your routine. Some also let you control your heating remotely from your smartphone.
To prevent heat from escaping, make sure your home is well-insulated and draught-proofed. Good insulation makes it easier to keep your home warm in winter without overworking your heating.
In the summer months, keep your home cool by opening windows when the air is cooler outside, closing blinds and curtains during the day, and spending time in cooler parts of the house.
For more tips on keeping your home warm efficiently, take a look at our page on how to heat your home efficiently.
Most energy-efficient thermostat settings
The most energy-efficient thermostat setting depends on your household’s needs, how well your home is insulated, and when each room is in use.
If you’re looking for an ideal house temperature, UK households can use 18°C to 21°C as a helpful starting point.
However, many energy experts recommend:
Area of Home | Suggested Temperature |
|---|---|
Living room | 20°C-22°C |
Bedroom | 16°C–18°C |
Hallways | 15°C–18°C |
Unused rooms | Lower settings where appropriate |
Keeping your home at a comfortable temperature without overheating unused rooms can help reduce energy waste.
FAQs about home temperatures and heating
What is the minimum house temperature recommended in the UK?
The NHS advises keeping your home at least 18°C during colder weather, especially if someone in the household is older or more vulnerable to the cold.
What temperature should most UK homes aim for?
Many experts suggest keeping living spaces between 18°C and 21°C, depending on comfort, health needs and the time of day. In practice, the recommended house temperature will vary slightly depending on your home and who lives there.
What feels like a comfortable temperature at home?
For many people, a comfortable indoor temperature is around 18°C to 21°C in living areas and 16°C to 18°C in bedrooms, though preferences vary by household.
What thermostat settings are most energy efficient?
The most energy-efficient settings are usually the lowest temperatures that still keep your home comfortable and safe. Smart thermostats can help by automatically adjusting your heating schedule.
Find out more: