House Extensions

High-Tech Windows offers house extensions that are sure to make a positive impact on the overall look and feel of your household. Not only will an extension improve your home in regard to the aesthetic quality, it also improves the practicality of your home as you’ll have more space to live in and store your belongings, 365 days a year.

When you have a house extension installed, not only are you improving your day-to-day life, you’re also increasing the value of your home, making it worth more in the future. Alongside this, all of our house extensions are designed to match the quality and performance of the rest of your home so you’ll be able to enjoy seamless quality.

Are you looking to replace an old conservatory or orangery? Perhaps a single storey extension will suit your needs better. With more space and better insulation, our house extensions can go above and beyond the expectations of your standard conservatory or orangery. With this in mind, they are sure to be a fantastic investment.

House Extensions Prices

Visit our online quoting engine to get a free, instant, and highly competitive house extension price.

Avaliable Options

Features & Benefits


We produce all our single storey extensions in-house, meaning there’s no supplier, just pure born and bred High-Tech extensions. Your house extension could act as any number of things; a kitchen, a games room, a dining room etc. With a range of accessories available too, you’ll be able to tailor your extension to be multi-purpose across the course of the year.


Customisable to fit your exact specifications, we allow you to choose from a number of roofing options and can cater to the amount of brickwork and glazing you’d like. When you choose High-Tech to install your single storey extension, you’re choosing a team that will work alongside you to ensure everything is done to fit you and your family’s needs.


Single storey extensions don’t have a fixed price and can vary massively depending on a number of factors, including the size of the extension and how it fits around the pre-existing structure. For a free quotation, simply phone us or contact us online and you’ll find out how affordable a single storey extension is for you.


All of our house extensions are manufactured using the latest techniques, which means they achieve a modern standard of thermal efficiency. With this in place, these extensions are able to keep the warmth from your central heating inside your home for a longer period of time. Not only does this secure comfort, but it could also enable you to save money on your heating costs too.


All of the windows and doors that are featured as part of your house extension build utilise industry-leading quality, as well as high security multi-point locking systems. When combined with the premium grade installation that we offer, all of our house extensions are able to protect your home from modern burglary techniques.


We know then when you’re looking to improve your home you want to get something that is going to last the test of time. With this in mind, all of our house extensions are manufactured using premium grade materials that will be able to hold steadfast against both the elements and the general wear and tear of daily use. You won’t have to settle for anything less.

To ensure everything goes as smoothly as possible, our house extensions comprise a design that is fully compliant with all current building regulation and planning permission requirements. With this in mind, you can rest assured that everything is being handled to modern standards. Further to this, we’ll be able to offer minimal hassle to your daily life too.

Unlike older extensions, the designs that we offer require minimal input from you to ensure they perform and look their best. You won’t have to worry about them falling apart, or the windows/doors bowing, twisting, warping, discolouring, or cracking over the years. This is made possible through premium grade materials and modern installation techniques.

All of our house extensions are installed as quickly and effectively as they can be, all with complete respect for your home and your time. Not only does this ensure satisfaction, we also do this without any compromise to quality so you can enjoy the best of both worlds. Our expert teams also work to the highest standards of professionalism, reliability, efficiency, and promptness. With High-Tech Windows, you’ll only get the best.

House Extension Prices

Visit our online quoting engine to get a free, instant, and highly competitive house extension price. Simply follow the step by step process to get a bespoke price that has been tailored to your exact specifications. Alternatively, get in touch with us via our online contact form to speak to a member of our friendly team instead.

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