House Extensions

We install House Extensions across Winchester, Bournemouth, Southampton, Portsmouth, Chichester, West Sussex, Hampshire, Wiltshire, Surrey and surrounding areas.

Read More Contact Us

Competitive House Extensions Prices

arrow
House Extensions Winchester

Suited to any Home

With County Windows, you won’t have to worry about missing out on the quality we have on offer. Whether your home is modern, traditional, period, heritage, or new build, you can rest assured that we’ll be able to offer you a house extension that is set to offer a completely seamless addition to your home that will bring complete satisfaction.

Extend What You Love

A modern house extension is the ideal way for you to increase your living space without having to undertake a costly and stressful move. We are able to offer cutting-edge designs that will perform just like the rest of your home. Our extensions will blend seamlessly into your home so you don’t have to worry about it compromising your property.

Look below for our range of styles.

Free Online Quote

Get a free online quote for windows, doors, bi-folds doors, conservatories, orangeries, roofs and much more!
Livinroom Conservatory

Highly-Modern Design

All of our house extensions are designed to suit modern standards, which means they achieve contemporary standards of thermal efficiency, security, durability, weatherproofing and aesthetic. You’ll be able to enjoy a new living space that you can use all year round.

Thermally Efficient

Due to the thermal efficiency properties of our house extensions, you can rest assured that you’ll be able to keep the winter winds at bay. You could also find yourself saving money on your heating costs, as the warmth from your central heating will stay in your home for a longer period of time: allowing you to rely less frequently on your heating as a result.

Winchester House Extensions

Visit Our Showrooms

Visiting one of our showrooms is a fantastic way to see our windows and doors for yourself. Alternatively, you can also use your visit to speak to a friendly member of our team about our product range.

Features & Benefits


Glass extensions specialise in offering you a bright and spacious living space to enjoy all year round. The glass roof is supported by super insulated columns, which work to offer you a feeling of solidity will achieving a modern standard of thermal efficiency that will keep the warm from your central heating inside for a longer period of time.

Due to an intelligent design, our glass house extensions comprise a feature that reduces solar gain. Not only does this keep you cool in the summer months, it also means that any furniture you have in your extension won’t fade over time. Choose from a uPVC, aluminium, or lantern roof to help create your home extension.


Our solid roof house extensions offer you the flexibility to bring a bespoke home improvement to your home. They combine the best in solid and glass conservatory roofs, allowing you to enjoy the freedom that comes with being able to add glazing wherever you want and in any shape you want. With this house extension, you’ll be able to control the natural light allowance coming in.

With a stunning internally plastered ceiling, our solid roof house extensions effortlessly capture a beautifully seamless feel. Choose from a wide range of lighting options to help create the ideal ambience, with the contemporary grey panelled roof complementing bi-fold doors perfectly to secure a contemporary and modern feel. These house extensions are structurally designed to your post-code to handle the wind and now loads in your area.


Bring a classic look to your home with our tiled roof house extensions, updated to suit the standards of today. Making use of the thermal properties of brick or super insulated columns, our tiled roof house extensions are able to keep you comfortable. You can also integrate full glazed panels to help natural light flood into your living space.

To bring a personal touch, choose a choice of 3 tile colours to match the house, including a selection of Velux roof windows to help increase ventilation too. You can also choose from a range of decorative cornice options to help keep your roofline looking neat and tidy, offering the best in function and form.

Start A House Extensions Quote

Visit our online quoting below engine below to specify your house extensions needs. Through this method, a member of our team will be able to offer a price that has been tailored to your exact specifications to help make things as cost-effective as possible.

Alternatively, you can get in touch with a member of our team to get a quote via that method if you would prefer to do so. We’ll also be on hand to answer any questions that you may have regarding our products or prices.

 

 

Our Testimonials

See what our customers have to say about their experience with County Windows!

Thrilled to bits with it all. Thankyou!

Double Glazing
Olivers Battery, Winchester - March 2018

A pleasure to deal with sales and survey… Will be pleased to recommend County to friends.

Double Glazed Windows
Alresford, Hampshire - April 2017

I was delighted with the installation professionalism… Our decision to visit County Windows for this job has proved right.

Windows
Winchester - June 2017

I was invited to inspect every factor of their work on completion which, as stated, was of the highest standard.

Double Glazing
Kings Worthy, Winchester - July 2018

Super service and very professional workmanship.

Conservatory
Copythorne, Southampton - July 2016

I wouldn’t hesitate to recommend or use County Windows again.

Customer in
Winchester - August 2017

We will recommend them (County Windows) to others looking for windows replacement.

uPVC Windows
St Cross, Winchester - September 2016

We have been very impressed with County Windows – Our whole experience has been easy and hassle free.

Doors
Andover - November 2018

Let's Talk

* indicates required fields

Industry leading Accreditations

CO2 Energy Rating
Fensa Registered Company
BSI logo
C. E. Mark
Made In Britain

County WIndows - Quality windows, doors, conservatories and much more!

We have showrooms across the south including Bournemouth and Southampton, with teams based throughout Hampshire and Dorset.

arrow