When winter arrives, keeping your home warm can become a daily balancing act. You want comfortable rooms, a healthy indoor environment and a heating bill you can manage. Yet cold weather, draughts, poor insulation and rising heat loss can make it difficult to achieve all three.
The good news is that keeping a house warm does not always mean turning the thermostat up. A combination of sensible heating controls, reduced draughts, effective insulation and a few everyday habits can help your home retain heat for longer.
This guide explains how to keep your home warmer throughout the colder months, which improvements are worth considering and how to avoid common mistakes that can waste energy or leave rooms uncomfortably cold.
Understand Where Your Home Loses Heat
Before spending money on new heating equipment or home improvements, it helps to understand why your house feels cold in the first place.
Heat naturally moves from warmer areas to colder ones. During winter, warmth escapes through the roof, walls, floors, windows and doors. It can also be lost through gaps around frames, letterboxes, pipework and other openings.
How quickly your home loses heat depends on several factors, including its age, construction, insulation, ventilation, exposure to wind and the condition of its windows and doors.
Look for common signs of heat loss
- Cold rooms: Some rooms may be noticeably colder than others, particularly those above uninsulated spaces or with external walls.
- Draughts: You may feel cold air around windows, doors, floorboards or service pipes.
- Cold surfaces: Walls, floors and windows can feel cold even when the air temperature seems reasonable.
- Uneven heating: One room may become too warm while another remains chilly.
- Persistent condensation: Water collecting on windows can indicate that warm, moist indoor air is meeting cold surfaces. It is also a reminder to check ventilation and moisture levels.
These signs do not always identify the exact problem, but they can help you decide where to investigate first. If you rent, report persistent cold spots, damaged windows, significant draughts or damp problems to your landlord or letting agent.
Practical tip: Walk through your home on a cold day and note which rooms lose warmth quickly, where you feel draughts and which areas are difficult to heat. This simple check can help you prioritise improvements rather than spending money on changes that make little difference.
Set Your Heating to Suit Your Home and Routine
Your heating controls can make a meaningful difference to comfort and energy use. The aim is to provide enough warmth when you need it without heating your home unnecessarily.
Choose a comfortable temperature
There is no single thermostat setting that suits every household. Your preferred temperature will depend on your health, activity levels, clothing, home and personal comfort.
For many people, a living room temperature of around 18–21°C can provide a useful starting point. However, some people need warmer conditions, particularly older people, young children and those with certain health conditions. If you are vulnerable to cold, follow appropriate health advice rather than prioritising energy savings over comfort.
Use a room thermometer if you are unsure how warm your home actually is. The temperature shown on a boiler or thermostat may not reflect the conditions in every room.
Use a programmer or heating schedule
If you have a programmable thermostat or heating timer, set it around your household’s normal routine. You might schedule the heating to come on before you get up and again before you return home, then reduce or switch it off when the house is empty, depending on your system and circumstances.
There is no universal rule that heating should always be left on at a low temperature or always run in short bursts. The most suitable approach depends on your heating system, how well your home retains warmth, the weather and how you use your rooms.
In a typical home with a boiler and radiators, heating only when warmth is needed often uses less energy than maintaining a high indoor temperature all day. However, homes with heat pumps or other heating systems may benefit from longer, steadier operation. Follow the manufacturer’s guidance and consider the advice of a qualified installer when adjusting unfamiliar controls.
Use your thermostat correctly
Turning the thermostat much higher than your intended temperature will not usually make a conventional central-heating system warm the room more quickly. It simply tells the system to aim for a higher temperature, which can lead to unnecessary heating.
Instead, choose a sensible target temperature and give the heating time to work. If your home takes a long time to warm up, investigate possible causes such as poor insulation, an unsuitable heating schedule, blocked radiators or a heating system that needs attention.
Understand your radiator valves
Thermostatic radiator valves, often marked with numbers rather than degrees, help regulate the temperature of individual rooms. They can be useful for keeping bedrooms cooler than living areas, provided the rooms remain comfortably warm and free from damp problems.
These valves are not simply power settings. The numbers generally correspond to approximate room temperatures, although the exact relationship varies by valve and installation. Avoid covering the valve with curtains or furniture, because this can interfere with its ability to sense the room temperature.
If you have a room thermostat, make sure it is not positioned next to a radiator, in direct sunlight or behind furniture. These locations can affect its readings and cause the heating to behave differently from what you expect.
Stop Draughts Without Blocking Necessary Ventilation
Draughts can make a room feel colder because moving air increases heat loss from your body and allows warm indoor air to escape. Finding and reducing unnecessary gaps can improve comfort without requiring major building work.
Check doors and windows
Inspect the edges of external doors and windows for damaged seals, loose fittings or gaps. Suitable draught-proofing strips can help seal gaps around movable window and door frames. Brush strips or purpose-made seals may also help around external doors.
A draught excluder at the bottom of an external door can be a simple, inexpensive option. Check that it does not obstruct the door, create a trip hazard or interfere with safe access.
Check letterboxes, keyholes and service openings
Small openings can contribute to unwanted air movement, especially when combined with other gaps. A suitable letterbox brush or cover and properly sealed gaps around pipes may help, provided the products are appropriate for their location.
Do not seal openings that are required for ventilation, drainage, combustion air or the safe operation of appliances. If you are uncertain whether a gap is necessary, seek professional advice before covering it.
Reduce draughts around floorboards and skirting boards
Gaps between floorboards and around skirting boards can allow cold air to enter, particularly where suspended timber floors sit above a ventilated void. Suitable products can reduce unwanted air movement, but the correct approach depends on the floor construction.
Be cautious about sealing gaps in suspended floors without understanding how the space beneath them is ventilated. Inappropriate sealing can contribute to damp and timber decay. A qualified professional can help identify the right solution.
Keep ventilation in place
Draught-proofing should not mean making your home airtight without providing suitable ventilation. Everyday activities such as cooking, showering, drying clothes and breathing release moisture into the air. Without adequate ventilation, that moisture can contribute to condensation, mould and poor indoor air quality.
Keep purpose-provided ventilation openings clear, use extractor fans where fitted and follow the guidance for your home’s ventilation system. Never block air vents needed by a gas appliance or other combustion appliance. If you are unsure which vents are essential, ask a suitably qualified professional.
The principle is simple: reduce uncontrolled draughts, but retain the ventilation your home needs to manage moisture and keep people safe.
Make Better Use of Curtains and Blinds
Windows can be a source of heat loss, especially if they are single-glazed or poorly sealed. Curtains and blinds can help reduce heat transfer, and using them at the right time can make rooms feel more comfortable.
Open curtains when the sun is shining
On bright winter days, open curtains on sun-facing windows to allow daylight and solar warmth into your rooms. The benefit will depend on the window’s orientation, the amount of sunlight and the weather.
When the sun goes down, close curtains and blinds to help reduce heat loss through the windows. This is particularly useful in the evening, when outdoor temperatures often fall.
Choose curtains that fit well
Thicker curtains or thermal-lined curtains can provide an additional insulating layer. For best results, choose a size and design that cover the window adequately without creating problems with radiators, heaters or ventilation.
Where possible, keep curtains from covering radiators or hanging in a way that traps heat between the fabric and the window rather than allowing it to circulate into the room. If a radiator sits beneath a window, check whether your curtain arrangement directs warmth into the room or blocks it.
Blinds, particularly those designed to provide insulation, may also help. The difference they make varies with the product, window and how well everything fits.
Improve Insulation Where It Matters Most
Draught-proofing and sensible heating controls can help, but insulation addresses a different problem: how quickly heat passes through the structure of your home.
Insulation slows heat loss, helping rooms stay warm for longer. Depending on the property, it may also make the home more comfortable during hot weather. The most appropriate improvement will depend on the building’s age, construction, existing insulation and condition.
Loft insulation
For a home with an accessible loft, checking the existing insulation can be a useful starting point. Older properties may have little insulation or insulation that no longer meets current recommendations.
Loft insulation can reduce heat escaping through the roof, but it needs to be installed correctly. Roof spaces must retain appropriate ventilation, and pipes and water tanks may need protection against freezing where relevant. Electrical equipment, recessed lights and other services can also affect how insulation should be installed.
If you are considering topping up loft insulation, check the property’s requirements and use a competent installer where necessary. Do not cover equipment or obstruct access and ventilation without confirming what is safe for your particular loft.
Wall insulation
Some homes have cavity walls that may be suitable for cavity-wall insulation. Others have solid walls, which generally require different approaches, such as internal or external wall insulation.
Wall insulation can be a significant improvement, but it is not suitable for every building or every wall. Existing damp, exposure to wind-driven rain, construction details and ventilation all need to be considered before work begins.
Before committing to a major installation, obtain an assessment from a suitably qualified professional who understands the construction and condition of your property. Insulation should address heat loss without creating new moisture problems.
Floor insulation
Cold floors can make a home feel uncomfortable, particularly in properties with suspended timber floors or rooms above unheated spaces. Suitable floor insulation may help reduce heat loss, although the practical options depend on the floor structure.
Where access beneath a suspended floor is available, insulation may be installed between the joists. However, the work must preserve appropriate ventilation and protect the structure from damp. Insulating a solid floor involves different considerations and may require more extensive work.
Secondary glazing and window improvements
If your windows are a major source of discomfort, consider checking their seals and condition before replacing them. Draught-proofing, suitable secondary glazing or better-fitting window coverings may help in some homes.
Replacing windows can be expensive, so compare the likely comfort and energy benefits with the cost. A property assessment can help you determine whether the main issue is draughts, glazing performance, poor installation or heat loss elsewhere in the building.
Prioritise improvements based on evidence. The best first step is not necessarily the most expensive one. Identify where heat is being lost, check which improvements are suitable and compare quotes before proceeding.
Help Your Radiators Heat Rooms Effectively
If you have a radiator-based heating system, a few simple checks can help warmth circulate properly. They will not solve every heating problem, but they can identify common issues that make rooms difficult to heat.
Keep radiators clear
Avoid placing large pieces of furniture directly in front of radiators. Long curtains and bulky covers can also restrict the movement of warm air into the room.
Give radiators space to release heat. If your room is still cold, check whether the radiator is heating as expected and whether the heating controls are set appropriately.
Check for uneven heating
If a radiator remains cold in places or does not heat up as expected, there may be air in the system, a balancing issue, a stuck valve or another fault. Different symptoms can point to different causes.
Bleeding a radiator may help when trapped air is the problem, but it is not a universal fix. Follow the manufacturer’s instructions, take care around hot water and check your boiler pressure afterwards if your system requires it. If you are unsure, or the problem keeps returning, contact a qualified heating professional.
Consider radiator reflector panels where appropriate
Reflective panels installed behind radiators on suitable external walls can reduce some heat transfer through the wall. Their usefulness depends on the wall’s construction, the radiator arrangement and the product used.
They are generally a supplementary measure rather than a substitute for adequate wall insulation. Check that any product is suitable for your radiator and installation, and follow its fitting instructions.
Keep Warmth in the Rooms You Use Most
Heating every room to the same temperature may not be necessary, especially if some areas are rarely used. Thoughtful room use can help you stay comfortable without wasting energy.
Close internal doors where appropriate
Closing doors can help separate warmer rooms from cooler ones, particularly where draughts move through the house. It may be useful when you are spending time in one part of the home rather than moving between rooms.
Do not close doors in a way that blocks essential ventilation or interferes with the safe operation of heating appliances. Keep escape routes clear and ensure everyone in the household can move around safely.
Use room heating thoughtfully
If you use a portable electric heater, use it only when needed and follow the manufacturer’s safety instructions. Keep it away from curtains, bedding, clothing and furniture, and never cover it or leave it operating unattended unless it is specifically designed and approved for that use.
Portable electric heaters can be useful for short periods in a particular room, but they can be expensive to run compared with some forms of central heating. Check the heater’s power rating and your electricity tariff before relying on one for long periods.
Never use an outdoor barbecue, patio heater, camping stove or fuel-burning appliance that is not designed for indoor use to heat your home. These can cause fires and dangerous carbon monoxide poisoning.
Make bedrooms comfortable overnight
Bedrooms do not necessarily need to be as warm as living rooms, but they should remain comfortable and suitable for the people using them. Use appropriate bedding and clothing, and consider the needs of older people, children and anyone with a health condition that makes cold more difficult to tolerate.
If you lower the heating overnight, take account of the outdoor temperature, the home’s insulation and any risk of freezing pipes. Follow any specific advice for your property or heating system, especially during a cold spell.
Manage Condensation and Damp While Keeping Warm
A warm home should also be a healthy home. Condensation and damp can make rooms feel unpleasant, damage building materials and contribute to mould growth.
Condensation occurs when moisture in the air meets a surface that is cold enough for water vapour to turn into liquid. It commonly appears on windows, external walls and areas with limited air circulation.
Reduce excess moisture
- Use an extractor fan or suitable ventilation when cooking and bathing.
- Cover pans where appropriate to reduce moisture released during cooking.
- Use lids and extractor fans when boiling water or preparing food.
- Where possible, dry clothes outdoors or in a properly ventilated space.
- If you use a tumble dryer, make sure it is installed and vented according to the manufacturer’s instructions.
- Wipe away condensation when it appears and investigate persistent moisture.
Keep air moving
Good ventilation helps remove moisture, while suitable heating can help keep surfaces warmer. Both matter. Simply sealing a home against draughts without managing moisture can make condensation problems worse.
Keep trickle vents and other purpose-provided ventilation clear, and use extractor fans where fitted. Short periods of ventilation may be useful after cooking or showering, but the best approach depends on the home’s ventilation system and conditions outdoors.
If mould keeps returning, investigate the cause rather than repeatedly cleaning the visible patches alone. Persistent damp may result from condensation, leaks, penetrating damp, rising damp or building defects. Seek appropriate advice if the source is unclear or the problem is extensive.
Protect Your Home Against Freezing Weather
During a cold spell, keeping your home warm is not only about comfort. Very low temperatures can put water pipes at risk of freezing, particularly in lofts, garages, outbuildings and other poorly insulated spaces.
Frozen water expands and can cause pipes to split. The resulting leak may only become apparent when the ice thaws, potentially causing significant damage.
Check exposed pipes and vulnerable spaces
- Check that exposed water pipes are suitably insulated.
- Pay attention to pipes in lofts, garages and other unheated spaces.
- Know where your internal stop tap is and how to turn off the water supply in an emergency.
- Follow your heating system manufacturer’s advice for cold weather and periods when the property is unoccupied.
- If you are away during freezing weather, take sensible precautions for your property and insurance requirements.
Do not assume that a boiler’s frost-protection function will protect every pipe in the house. Its operation depends on the equipment and installation, and pipes in remote or unheated areas may remain vulnerable.
If you suspect a pipe has frozen, avoid using a naked flame or other unsafe heat source to thaw it. If a pipe has burst, turn off the water supply if it is safe to do so and contact a qualified plumber.
Check Whether Your Heating System Needs Attention
A poorly maintained or incorrectly controlled heating system may struggle to keep your home warm. If your heating is unreliable, noisy, unusually expensive or unable to reach the temperature you set, it may need professional attention.
Arrange appropriate servicing
Follow the manufacturer’s servicing and maintenance recommendations for your boiler, heat pump or other heating equipment. A qualified professional can check its operation, identify faults and advise whether adjustments or repairs are needed.
For gas appliances in Great Britain, use a Gas Safe registered engineer for work that requires one. In Northern Ireland, check the applicable local registration requirements. Never attempt repairs to gas equipment yourself.
Know the warning signs
Contact a qualified professional if you notice persistent boiler faults, unusual noises, repeated loss of pressure, radiators that do not heat properly or unexplained changes in heating performance.
Make sure you have appropriate carbon monoxide protection wherever required and follow the manufacturer’s guidance for alarms and appliance safety. Carbon monoxide cannot be seen or smelled. If a carbon monoxide alarm sounds or you suspect exposure, leave the affected area and seek emergency advice; do not re-enter until it is safe.
Check Your Energy Tariff and Understand Your Usage
How much it costs to keep your home warm depends not only on the amount of energy you use but also on the tariff you pay. Understanding both can help you make better decisions about your heating routine.
Understand unit rates and standing charges
Your energy bill typically includes charges for the energy you use and a standing charge for each day your supply is available. The unit rate is usually shown in pence per kilowatt-hour (kWh), while the standing charge is shown as a daily amount.
Reducing energy consumption can lower the usage-related part of your bill, but it does not normally remove the standing charge. Your exact bill will also depend on your tariff, meter arrangements, region, payment method and consumption.
Use meter readings or smart-meter data
Regular meter readings can help you understand how much electricity and gas you use. If you have a smart meter with an in-home display, check your usage at different times of day and compare periods when the heating is operating with periods when it is not.
Remember that total household energy use includes more than heating. Cooking, hot water, lighting, appliances and other electrical equipment all contribute. Looking at patterns over time is more useful than drawing conclusions from a single day’s reading, particularly when the weather changes.
Check whether a different tariff suits your household
If you are considering changing tariffs, compare the unit rates, standing charges, contract terms and any exit fees. A tariff with lower rates at particular times may suit a household that can shift some electricity use, but it will not automatically be cheaper for everyone.
Households using electricity for heating, including those with heat pumps, should consider how their heating pattern fits the tariff. Do not change a suitable heating routine purely to chase a lower rate without checking the likely overall cost and comfort implications.
For an explanation of domestic energy pricing and the price cap in Great Britain, consult our guide here. Remember that Northern Ireland has separate energy-market arrangements and that the domestic price cap does not generally cover business energy contracts.
Make Use of Available Support
If the cost of heating your home is difficult to manage, you may be eligible for financial support, energy-efficiency improvements or advice. Eligibility depends on where you live, your circumstances, the programme available and any qualifying conditions.
Depending on your circumstances and location, it may be worth checking:
- Energy-efficiency schemes: These may support eligible households with measures such as insulation or heating improvements.
- Winter heating support: Some schemes provide payments or other assistance to eligible households during colder months.
- Benefits and income-related support: You may be entitled to support that you are not currently claiming.
- Local advice services: Councils, housing providers and independent advice organisations may be able to explain the help available in your area.
Start with official information for your part of the UK, because support schemes and eligibility rules can differ between England, Scotland, Wales and Northern Ireland.
If you are struggling to afford adequate heating, seek advice early. Keeping warm is important for health and wellbeing, and you should not feel that you must tolerate an unsafe or uncomfortably cold home simply to reduce your bill.
A Simple Winter Warmth Checklist
You do not need to tackle every improvement at once. Start with simple checks, then consider larger upgrades if your home continues to lose heat or costs too much to warm.
Everyday actions
- Set your heating schedule around your normal routine.
- Choose a comfortable temperature and check it with a room thermometer if needed.
- Close curtains after dark and open them when useful winter sunlight is available.
- Keep radiators clear of furniture and heavy curtains.
- Use extractor fans and suitable ventilation to control moisture.
- Wear comfortable layers and use appropriate bedding.
- Keep an eye on your energy usage and meter readings.
Checks to make this winter
- Inspect external doors and windows for draughts.
- Check whether loft insulation is adequate and in good condition.
- Look for cold rooms, persistent condensation or signs of damp.
- Make sure your heating controls work as expected.
- Check exposed pipes and know where your stop tap is.
- Arrange heating-system maintenance when required.
- Check whether you could benefit from available energy-efficiency or financial support.
When Should You Consider Bigger Improvements?
If your home remains cold despite sensible heating settings and basic draught-proofing, it may be time to investigate more substantial improvements. These could include loft or wall insulation, floor insulation, improved windows, heating controls or replacing an inefficient heating system when appropriate.
The right order depends on the property. For example, upgrading a heating system without addressing major heat loss may mean you still need substantial energy to keep rooms comfortable. Equally, insulation must be suitable for the building and installed with appropriate attention to moisture, ventilation and safety.
Before committing to a large project, identify the main source of discomfort, compare realistic options and obtain advice from competent professionals. Consider the upfront cost, likely energy savings, maintenance requirements, disruption and any available funding.
A good improvement should make sense for your home and circumstances, not simply follow a general recommendation that may suit a different type of property.