House Extensions Tunbridge Wells

House Extensions Sidcup

Expand your home with one of our home extensions.

Free, Competitive House Extension Prices in Sidcup

Get A Quote, Today.

House Extensions in Sidcup

If you have outgrown your property, looking to upscale it, or you need a new place to socialise, then a house extension is the perfect solution. At Thermaframe, we help create and design rooms that meet your exact requirements. Whether it’s a kitchen, dining room, or playroom, we can tailor your house extension to your needs.

You can benefit from a 5- star service when you choose Thermaframe. When we build your house extension, we carry out the planning and the surveys. Sit back and relax while we do the hard work, leaving you with a stress free experience. If you want a free discussion about your design, get in touch with us today.

We offer a bespoke service that is tailored to suit your needs. You can enjoy a wide range of benefits when you choose us as your trusted local installer. We can get to you quickly so you can experience reduced waiting times at competitive prices. To get a bespoke price, use our online quoting engine today.







House Extensions Prices Tunbridge Wells
House Extensions Tunbridge Wells

Features and Benefits

A Range of Uses

Our house extension designers are very experienced and skilled. They can ensure that our house extensions meet your every requirement. If you want your extension to be a gym, office, or dining area, we can make your dream a reality. We offer a bespoke range of colours, finishes, brickwork, and roofing solutions so you can build your unique living space.

Expert Service

Our experienced installation team are highly skilled and well trained. We understand that every customer is different, and they require their individual needs. We will help you every step of the way from the moment you get in touch through to the extension being installed, we are on hand to guide you.  Enjoy a quick installation and a swift process while we work around your busy schedule.

Bespoke Extensions

The design of your house extension is in your hands. We can install our range of high quality aluminium and uPVC doors into your space. However, if you want to expand your living area, you can choose some expansive bifold doors. Alternatively, if you want a timeless, traditional look, French doors might be a more suitable choice.

High Quality

By working with market leading suppliers that use high quality materials, we only offer our customers housing extensions that exceed our high standards of regulations. Your house extension is durable and long lasting, meaning you will be able to enjoy it for decades.

Prompt Build

When you expand your home, deciding what design you want for your house extension can be a stressful process that could take months. However, when you choose an installer like Thermaframe, you will get a quick hassle free build and reduced waiting times. Our builders will treat your home like their own, work around your busy schedule, and avoid disrupting your daily life.


When you create your new living space, it should never break the bank. At Thermaframe, we are pleased to offer competitive prices for our bespoke house extensions.  We have a tailored, customisable option for every customer no matter what your budget is. With Thermaframe’s house extensions, you can expand your home for less.

True House Extensions

At Thermaframe, we know that every homeowner is unique, and so are their house extensions. Some people have modern homes, others have traditional ones. It is vital that your extension blends in seamlessly with your home because it matches the build and feels like a natural progression. We offer a broad range of materials and finishes so your house extension can match your property’s architecture.

Local House Extensions Installers in Sidcup

As your trusted double glazing installer, we offer short waiting times, competitive prices, and an outstanding product. When you get in touch with us, our team will help you find the exact installation for your home. We have over 30 years of experience in the home improvements industry so we can use this to your advantage. If you want to find out more, get in touch with us today!

House Extensions Prices Sidcup

If you are interested in getting a bespoke price for our house extensions, use our online quoting engine. It’s simple to use, works on all devices, and tailors a price that is totally bespoke to your specifications.

Alternatively, feel free to use our online contact form and a member of our helpful team will get back to you shortly with a quote. If you want to speak to us directly, call us now on  01959 534 720. We will happily offer you advice for the best double glazing for your home and answer any questions you might have about our house extensions and products.     





Start Your Quote

uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Conservatories Conservatories
Aluminium Aluminium
double glazing sevenoaks Patios