WhatsApp call button


Professional Tips and Guides from Qualified Builders in Windsor

How to build an energy efficient home extension in Windsor

We are professionals in constructing energy-efficient home extensions, so we recognise the value of designing a sustainable and environmentally friendly living environment. This article will demonstrate how to construct an energy-efficient home addition that will lower your carbon footprint and lower your energy costs.

How to build an energy efficient home extension in Windsor

Designing an Energy-Efficient Home Extension

Building an energy-efficient house addition requires careful planning that keeps sustainability in mind. To ensure maximum energy efficiency, every aspect of the design, from the orientation and layout to the materials utilised, should be carefully taken into consideration.


In order to maximise energy efficiency, your house extension's orientation and design are essential. For instance, additions that face south get more sunlight all day long, which can save heating bills in the winter. In addition, an open-plan layout can encourage natural airflow and ventilation, lowering the summertime need for air conditioning.


Another important consideration when developing an energy-efficient house addition is insulation. With the right insulation, you can keep your house cool in the summer and warm in the winter while using less energy. We advise utilising environmentally friendly insulating materials with great heat resistance, such as cellulose, mineral wool, or fibreglass.


Making the appropriate material choices can be quite important when constructing an energy-efficient home addition. Consider using renewable wood, which has a lower carbon footprint than other building materials. Moreover, think about employing salvaged or reused materials, which offer a distinctive style in addition to reducing waste.

Heating and cooling 

Your choice of heating and cooling system could have a big impact on how much energy you use. We suggest utilising an energy-efficient technology, like a ground source heat pump, which heats your house naturally with energy from the ground. You can also consider installing ceiling fans as well, since they can promote air circulation and lessen the demand for air conditioning during the summer.


Another area where you may dramatically cut energy use is lighting. We advise adopting LED lights because they are durable and cost-effective. Consider employing timers or motion sensors to turn off lights when not in use as well automatically.

Windows and Doors

Did you know that up to 30% of heat loss in a house can be attributed to windows and doors? Because of this, it's critical to select energy-efficient models. To achieve maximum energy efficiency, look for windows and doors with good thermal resistance, low-E coatings, and weather stripping. Also, think about adding double-glazed windows, which provide excellent noise reduction and insulation.

Add Solar

Another efficient strategy to cut energy use and your carbon footprint is to use solar panels or other renewable energy sources. In addition to using solar energy to power your home, you may also power it using geothermal energy or other renewable sources like wind.

Constructing an energy-efficient home extension is a great investment. It allows you to drastically cut energy use, minimise your carbon footprint, and create a comfortable living space by building your extension with sustainability in mind. Don't forget to pick energy-efficient heating and cooling systems, LED lighting, high-quality insulation, energy-efficient windows, and sustainable building materials. You can construct a long-lasting, energy-efficient home addition by adhering to these recommendations.

If you would like to get more help or would simply like to know more about our extension services in Windsor, Maidenhead and Ascot, get in touch with our highly experienced builders by viewing our contact details down below. 

Want more advice?

Speak with our builders in Windsor, Maidenhead and Ascot by calling us on 07834 617 743 or 07368 483779 and we will be happy to help. 

If you would like to browse through our previous building projects, simply head over to our gallery page. You can also read through the reviews left by our customers by visiting our reviews page