We create gorgeous modern house extensions for Windsor homeowners looking to rejuvenate their home. Our fantastic extensions can be tailored to create various social spaces, including kitchens and living rooms. Let your imagination run wild and design a dream home that you will make lots of memories in.

Our modern house extensions aren’t just contemporary in their design; we use state-of-the-art manufacturing to make our products. You can experience enhanced thermal efficiency, security and weatherproofing. Our extensions are designed to protect your home throughout the year, so all you need to do is relax and enjoy your new space.

Here at Aspire Extensions, we work with industry-leading suppliers to provide you with a high-quality extension. We are specialists in modern house extensions and can advise you on the best choices for your property. Get your free quote today and use our online quoting engine. Start your home improvements journey with us today.

Modern House Extension Benefits

Thermal Efficiency

Our super-insulated materials and double glazing will keep your Windsor home warm throughout the year. You can rely less on your heating and save money on your energy bills. The appropriate heat regulation will make sure that your property is at the perfect temperature.


We understand that security is a top priority for homeowners. The uPVC and aluminium profiles that we use are known for their strength. Our modern house extensions are fitted with multi-point locks that go through regular testing to ensure that they meet safety regulations.

Tailored Design

Each Windsor homeowner can tailor their new extension to meet their requirements. Whether you want it to blend in with your home or are working from a blank canvas, we have a wide range of style options for you to choose from. Let your imagination run wild.


We use robust materials to make our modern house extensions secure so that your home against all elements. We install features such as weather seals to prevent unwelcome water ingress and draughts from entering your Windsor home.

Low Maintenance

Modern house extensions use their impact-resistant features to maintain its structure and protect your home. Our products are high-quality and require little maintenance. A wipe down with a damp cloth is sufficient enough.

Double Glazing

All our windows and doors are fitted with premium double glazing. You will benefit from unrivalled thermal performance. The two glass panes work together to retain the heat in your home and prevent the cold air from seeping in.


Our modern house extensions are designed not to warp, rust or discolour. You can rely on them to provide you with a new space to have lots of experiences in. We fit our windows and doors with internally beaded glass, which cannot be removed from the outside. You can have confidence in the security of your Windsor home.

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Thermal Performance

The combination of double glazing and super-insulated materials will bring you excellent thermal efficiency. Our uPVC and aluminium window and door profiles are known for their insulating qualities. The continuous temperature regulation of your Windsor property will give you a space that you can use all-year-round.

modern house extensions style windsor

Customised Design

We encourage our customers to tell us their design ideas as much as we can. We aim to create a new space that you will love for years to come. We have a range of windows and doors for you to pick from and match to your extension. Flood your Windsor home with natural light and benefit from improved ventilation.

Modern House Extensions windsor
modern house extension price windsor

Modern House Extension Prices Windsor

Upgrade your Windsor home and invest in our modern house extensions. Create a space that you will enjoy throughout the year. Use our online quoting engine to get your free zero-obligation quote. All you need to do is choose your dream design and input your home’s dimensions. We will provide you with a bespoke estimate.

Alternatively, you can get in touch through our online contact form. A member of our friendly team will answer any questions that you have. If you prefer to speak to someone directly, you can give us a ring on 01908 886280 and chat to one of our experts.

Modern House Extension Windsor Prices

We offer modern house extensions for competitive, reasonable prices. Get in touch today to find out more!

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