Sun Stoppers: Seven Ways To Keep Your Home Cool This Summer

TL;DR

Before you orderOffer from Amazon

Get home appliances delivered free with Prime

• Fast, free delivery on millions of items
• Prime Video, Amazon Music and more included
• Member-only deals all year

Start your free Prime trial →Free trial for eligible customers · Cancel anytime

As an affiliate, we earn on qualifying purchases.Hide

With rising UK temperatures, homeowners are adopting simple, affordable strategies to keep homes cool, emphasizing external shading and DIY methods over air conditioning. These measures are crucial for energy efficiency and comfort.

Homeowners and renters in the UK are increasingly adopting proven, low-cost methods to prevent their homes from overheating during the summer heatwaves. Experts emphasize that external shading measures, such as external blinds and DIY solutions, are highly effective and more sustainable than relying solely on air conditioning, which may not be accessible or environmentally friendly.

According to Tom Greenhill, an engineer and environmentalist, external shading such as awnings and blinds can block up to three times more solar heat than internal blinds, significantly reducing indoor temperatures. For example, Velux external awning blinds costing around £80 can make a room up to 4°C cooler, and DIY options like repurposing white sheets over skylights can achieve a 2–4°C decrease at minimal cost.

Other effective measures include rigging up solar sails or using camouflage nets as makeshift awnings, which can be installed with basic DIY tools and cost as little as £10–20. These solutions allow daylight to enter while blocking direct sunlight, maintaining natural light and ventilation without expensive installations. Experts warn that large windows and patio doors can act as heat traps, but shading strategies can mitigate this effect.

While some homeowners consider portable air conditioners, experts caution that passive measures are more sustainable and cost-effective. External shading not only reduces heat gain but also enhances overall energy efficiency, especially for renters or those unable to install permanent fixtures.

Why External Shading and DIY Measures Are Crucial

Implementing external shading and simple DIY solutions can significantly reduce indoor temperatures, lowering energy bills and decreasing reliance on air conditioning. As climate change leads to more frequent heatwaves, these strategies become vital for maintaining comfort and reducing environmental impact, especially in older or poorly insulated homes.

Rising Temperatures and the Shift Toward Passive Cooling

UK summers are experiencing higher temperatures, with recent heatwaves prompting a shift from traditional heating concerns to cooling strategies. Experts like Tom Greenhill advocate for passive cooling measures, emphasizing that shading is a cost-effective, sustainable way to keep homes cooler. While air conditioning remains an option, its environmental impact and limited accessibility make passive solutions more practical for many households.

“External shading can reject up to three times more solar heat than internal blinds, making a significant difference in indoor temperatures.”

— Tom Greenhill, engineer and environmentalist

Unanswered Questions About Long-Term Effectiveness

While these methods are proven effective for immediate cooling, questions remain about their long-term durability, aesthetic integration, and suitability for different types of homes. The impact of repeated DIY solutions on insulation and energy balance also requires further study.

Next Steps for Home Cooling Strategies

Experts recommend testing multiple shading solutions to identify the most effective for each home. As summer progresses, more homeowners are expected to adopt external shading and DIY measures. Authorities may also issue further guidance on passive cooling techniques, especially as climate change continues to increase summer temperatures.

Key Questions

Are external shading solutions suitable for rental properties?

Yes, many external shading options like DIY blinds or fabric sails are inexpensive and non-permanent, making them suitable for renters.

Can DIY solutions effectively replace air conditioning?

While DIY shading methods can significantly reduce indoor temperatures, they are generally not a complete substitute for air conditioning in extreme heat, but they are a sustainable first step.

What are the most cost-effective ways to prevent overheating?

Using white sheets over skylights, rigging up homemade fabric shades, and installing inexpensive external blinds are among the most affordable and effective measures.

How quickly can these measures be implemented?

Many DIY solutions, like covering skylights with sheets or setting up fabric sails, can be done within an hour, offering immediate relief during heatwaves.

Are external blinds easy to install?

External blinds like Velux awnings are designed for DIY installation and can typically be fitted within half an hour, depending on the product and home setup.

Source: Guardian Life