House Extensions East Grinstead

House Extensions East Grinstead

Expand your home adding style and functionality.

Free, Competitive House Extension Prices in Sevenoaks, Kent, London and Surrey

Get A Quote, Today.

House Extensions in East Grinstead

Expand your home in East Grinstead with a single storey house extension from Thermaframe. If you have outgrown your family property or simply want more space to enjoy, this is the perfect solution. Let us design and create a new room within your home that will meet your every need, whether that is as a kitchen, living room or playroom.

When you choose Thermaframe, you will benefit from a complete service, from start to finish. When building house extensions, we will carry out the planning, drawing and surveys. This is what puts us above other companies in the area – save the hassle and let us do the hard work for you. If you would like a free design consultation, please get in touch today!

As well as offering a 5-star service from start to finish, you will benefit from many other perks when you choose us as your trusted local installer. Experience short wait times, reduced travel costs and competitive prices. Start your free quote online by using our costing tool.

House Extension East Grinstead
Single Storey House Extension East Grinstead

Features and Benefits

A Range of Uses

Our house extension designers are extremely talented and experienced. With this, they can ensure that your new space meets your every need. Whether you want your extension to be a gym, living room or even a kitchen, we can make it a reality. We also offer a range of different brickwork, roofing options, colours and finishes so that you can make your new space truly yours.

Expert Service

Our installation team here at Thermaframe are highly experienced. They understand our products through and through, allowing us to offer our customers in East Grinsted a 5-star service from start to finish. Benefit from quick installation and a smooth process that does not disrupt your daily schedule.

Bespoke Extensions

With the design and planning of your new house extension being completely in your hands, we are able to install our range of uPVC and aluminium doors and windows to your new space. If you are looking to maximise your living area, we may recommend adding in some bifold doors. If you want more of a classic look, French doors may be ideal.

High Quality

By working with market leading providers that use only premium grade materials, we are able to offer our East Grinstead customers a house extension that meets and exceeds the highest regulations. Your new space will be durable and long lasting, so your family can enjoy it for decades to come.

Prompt Build

Expanding your home and building a house extension can be a long and tiresome process. When you choose the right installer such as us here at Thermaframe, you will experience reduced wait times and a prompt build. Our builders work with the utmost respect to your home, working around your daily schedule.


Creating your dream home should never break the bank! This is why we are proud to offer competitive pricing for our house extensions. With this, we have something for all of our customers in East Grinstead, no matter their budget. Expand your home for less.

True Extension

At Thermaframe, we understand that every home in East Grinstead is of a different style, with some being more modern and others more traditional. Having your new extension blend seamlessly with the rest of your property is extremely important; as the name suggests, your new addition should appear as a true extension of your home, not something that has been added on! To ensure that we can provide this seamless connection, we have a range of different materials that are matched to your existing home.

Local House Extensions Installers in Tonbridge

As your trusted local double glazing company in East Grinstead, we can offer affordable prices, short wait times and a premium product. From initial contact, our team will be at hand to help you with anything you need. We have many years of experience within the industry and can use this to your advantage. Get in touch today to find out more.

House Extensions Prices East Grinstead

If you are ready to get your home expansion project started, please take a look at our online costing tool. Here you can get a price that is tailored to your needs.

Alternatively, you may fill out our online contact form, and a member of our team will get back to you shortly with a quote.

To speak to us directly, please feel free to call us on 01959 534 720.

Start Your Quote

uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Conservatories Conservatories
Aluminium Aluminium
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