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Energy & Sustainability

Advice on insulation, renewable energy solutions, efficiency upgrades and reducing energy costs.

Energy & Sustainability

Keep Your Cool: Home Cooling Tips

Ah, the Great British weather! One minute there are weather warnings for rain, the next, it is 28 degrees in the shade. And, because of these fluctuating temperatures, we are rarely geared up to deal with the heat, leading to a lot of grumpy, sweaty Brits complaining about the weather because “it's different when you are on holiday”. If you don’t have the time, money or inclination to get an air conditioning unit fitted, there are a few things you can do to stop your home from overheating.

Ah, the Great British weather! One minute there are weather warnings for rain, the next, it is 28 degrees in the shade. And, because of these fluctuating temperatures, we are rarely geared up to deal with the heat, leading to a lot of grumpy, sweaty Brits complaining about the weather because “it's different when you are on holiday”. If you don’t have the time, money or inclination to get an air conditioning unit fitted, there are a few things you can do to stop your home from overheating.

Cool yourself, not your home

If you are feeling the heat, grab a cool drink and a cool flannel. Don’t place the flannel on the “hot” bits, like your head or face; instead put the cool flannel or ice block on the insides of your wrists or back of your neck. Your blood passes closest to the skin at these points and the cool pack will cool the blood as it circulates.

Black it out

Closing your curtains can really help to keep the heat at bay, but if you have a particularly hot room, especially if it is a baby’s room or a south-facing room, it may be worth investing in blackout blinds. Blackout blinds could prevent from up to 30% of heat penetrating your room, and it can help to keep the warm air in in winter, too. If you are unsure of fitting blinds yourself, your local handyman should be able to help.

Grab a fan

A hand held fan, a free standing fan, or a tower fan all have their place on a sunny day. If you can’t bear the heat out and about, a handheld fan can be a lifesaver (or feel that way at least). If you have a conventional fan, try getting a bowl of ice and place it in front of the fan’s airflow; you will be pleasantly surprised with the cooling, icy breeze that the simple trick produces.

Cotton on

For clothing and bedding, brushed cotton and some synthetic materials may be easy to care for, and relatively comfortable, but when it comes to high temperatures, nothing is as cool as pure cotton. Switch bed sheets and clothes for natural, breathable fabrics and feel your skin breathe – literally.

And... breathe

For north-facing windows, or at night time when the sun has gone down, open up your windows and let the cooler air flow through your home. By having windows open in different rooms you will encourage a pleasant breeze through your home.

Still can’t bear it? Get in touch with your local air conditioning specialist and see what they can do.

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Looking for more energy & sustainability advice?

Find clear, practical answers to common energy & sustainability questions, helping homeowners understand everyday issues, know what checks they can carry out safely, and when it is best to contact a qualified professional.

  • Is it worth getting solar panels installed on a UK home?

    Whether solar panels are worth it really depends on your situation. For many UK homeowners they can be a solid long-term investment - payback periods of seven to twelve years are realistic, and you can sell surplus electricity back to the grid through the Smart Export Guarantee. South-facing roofs with little shading get the best results.

    That said, roof orientation, shading, your energy usage, and how long you plan to stay in the property all affect whether the numbers add up for you. It's worth getting a few quotes and running the figures before committing.

  • What is a heat pump and should I replace my boiler with one?

    A heat pump pulls warmth from the outside air (or ground) and uses it to heat your home and hot water - it's more energy-efficient than a gas boiler when properly specified and installed. The key is whether your home is well-insulated. Heat pumps work best in efficient, well-sealed properties. In a draughty house, the benefits are more limited. The Boiler Upgrade Scheme currently offers up to £7,500 in grant funding, so it's worth getting a professional assessment of whether your home is a good candidate.

  • Are there government grants available for home energy improvements?

    Yes. The main ones right now are the Boiler Upgrade Scheme (for heat pumps), the Great British Insulation Scheme, and ECO4 (for eligible households). The details change regularly (eligibility, grant amounts, and which schemes are active) so check directly on GOV.UK or with your energy supplier for the current picture. Just bear in mind that installations need to be done by accredited installers for the grant to apply.

  • How do I know if my home has adequate insulation?

    High heating bills for the size of the property, cold walls and floors, condensation on internal walls, and draughts around loft hatches and window frames are all signs that heat is escaping. A professional energy assessor can survey the property and identify exactly where the losses are happening. Your Energy Performance Certificate (EPC) - if it's up to date - also gives you a useful starting point.

  • What is the Boiler Upgrade Scheme and am I eligible?

    The Boiler Upgrade Scheme (BUS) helps homeowners swap gas or oil boilers for low-carbon alternatives - mainly air source heat pumps, ground source heat pumps, and biomass boilers. As of 2024, the grant is worth up to £7,500 for a heat pump. To qualify, you need a valid EPC with no outstanding recommendations for loft or cavity wall insulation, and the installation has to be done by an MCS-certified installer. Eligibility and amounts do change, so check current terms on GOV.UK before making any decisions.

  • How do solar panels actually work?

    Solar panels are made up of photovoltaic (PV) cells that generate electricity from daylight - not just direct sunlight, which is why they still produce power on overcast days (just less of it). The electricity they generate is direct current (DC), which an inverter converts into the alternating current (AC) your home appliances use. Whatever you generate and use yourself reduces what you draw from the grid. Any surplus can be exported and you can get paid for it via the Smart Export Guarantee, or stored in a battery if you have one.

  • How long do solar panels last and do they need servicing?

    Most come with a 25-year performance warranty guaranteeing at least 80% of rated output - and many systems outlast that. The panels themselves have no moving parts, so they're low maintenance by nature. The inverter is the component most likely to need replacing, usually after 10 to 15 years. Rain generally keeps panels clean in the UK, but a professional clean every couple of years is worthwhile - particularly on low-pitched roofs where debris builds up.

  • How many solar panels does a typical UK home need?

    The average UK household uses around 3,500 kWh of electricity per year. A 4kWp system - roughly 8 to 10 panels - will generate around 3,400 kWh annually in average UK conditions. Smaller households might be fine with 3kWp; bigger homes or those with EVs and heat pumps will want more. The limiting factor is often your roof space, orientation, and shading rather than budget. An MCS-certified installer will model your specific situation and recommend the right size - this assessment really does make a difference to what you get out of it.

  • Why might solar panels not be right for my home?

    There are a few things worth keeping in mind that can affect whether solar panels make sense for your home. A north-facing roof receives less direct sun and will generate considerably less power, and significant shading from trees, chimneys, or neighbouring buildings can also have an impact. Some listed buildings and conservation areas have planning restrictions, so it's worth checking before going too far down the line. Homes that need re-roofing soon, or that have existing structural issues, may also face additional costs that change the overall picture. And if your household electricity usage is quite low, the payback period can extend more than you might expect.

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