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Explore our range of stunning orangeries, offering expanded space for your home along with energy efficiency. Our orangeries are built to the highest standards and we have showrooms across Bristol, Clevedon and the South West. Start your orangery quote online today!

Luxury Orangeries

Get Your Designs

A stylish and luxurious design to complement any property, an orangery harks back to an era of grace and glamour. Historically, they were a practical garden building for the cultivation of exotic shrubs and trees and could only be afforded by the wealthiest of families. Since then, their uses have diversified and expanded.

Today an orangery is a sophisticated home extension and an enjoyable living space, available for almost every budget. They’re similar to conservatories but have a more solid structure. Dwarf walls can run around the edge of the building, and the edges of the roof are also solid. The rest of the roof is still glass, so the room will be flooded with light and warmed by the sun.

Grow Your Home with an Orangery

An orangery is a great way to add value and space to your home. Less expensive than a traditional extension but more hardwearing than a conservatory, it will be an integral part of your home for years to come. And thanks to the inherently durable design, you’ll get decades of enjoyment from your new living space.

Our patented designs enable us to provide you with your dream orangery. Whatever style you go for, you will create a stunning and practical living area. Choose from a variety of features, styles and colours to make it as individual as you are. You can get in touch with our expert team to start designing your dream extension today.


The Perfect Temperature, 365 Days a Year

There’s a popular conception that orangeries and conservatories can be uncomfortable spaces; too hot in the summer and too cold in the winter. In decades past, this may have been true, but it’s no longer the case! They are built to the latest building regulations, which ensure a great level of thermal efficiency.

What does this mean for your home? Adding a new orangery will mean growing your home with a space that stays the perfect temperature all year round. With double glazed windows, a host of weather seals and a thermally efficient roof, it’s far easier to manage the internal temperature. You’ll be perfectly cosy 365 days a year.


Range of Conservatory Roof Styles

Choose from traditional or contemporary styles to create your ideal living space. Incorporating latest technologies in roof and glazing design, for a cost effective bespoke conservatory design, we will find the perfect solution for your home.
Glass Roof

Glass Roof

Tiled Roof

Tiled Roof

SOlid roof

Solid Roof

flat roof

Flat Roof

Lantern Roof

Lantern Roof

Customisation Options

Get 3 FREE designs in 2 simple steps.

Find the perfect living space with our user-friendly conservatory contact form. No matter what design you’re looking for, you can find the ideal designs for your home with our services.
Step 1

Select Your Favourite Designs

Select your favourite designs, send us a photo of the back of your home, and we’ll send you three personalised living spaces superimposed onto the pictures you send us.
Step 2

Choose Contact Method

We offer a variety of ways to get in touch with us for our living space designing services. Whether you prefer to message, email or call, you can choose the right method for you below.
Chat On WhatsApp
Request Callback
Submit Enquiry
Step 3

Enter Your Details

As you’ve selected to request a call or email, we’ll need some additional information from you to start the design process.
Final Step

Thank You! We’ll Be In Touch Shortly

Thank you for submitting your request. We look forward to working on your dream living space project with you.

What Happens Next?

Picking your favourite designs is just the start of your dream living space. Now that we’ve received your contact request and favourite designs, we’ll be in touch to assist you with our superimposed images. We look forward to hearing from you!

Why Choose Us?

Since 1982, we’ve developed a knack for high-quality work, with even higher quality customer service, so you’ll never need to worry when you’re with Britannia.

See Our Before & After

Want to see how we can transform your old conservatory? View our before and after photos here!
ISO 9001
Made in Britain
National Warranties
Sabik Marine

Decades of Experience

Britannia Windows has operated as a family run home improvements company for more than 40 years. In all that time, we have established ourselves as a source of excellence, whether you're looking for a new conservatory, orangery, window or door.

Expert Installation

We take care of our customers along every step of the journey. Nothing is more important than installation. When fitting your orangery extension, our team will take great care to ensure a tidy, smooth and professional experience.

Made in the UK

As our name would suggest, we manufacture all of our orangeries right here in the UK. This is handled in our Clevedon based factory. From here, we can ensure that all of our house extension products meet our and your high standards.

10 Year Guarantee

We stand by the quality of our windows, doors and orangeries. So much so, in fact, that we include a ten year guarantee with every installation. This means you'll enjoy at least a decade of hassle free enjoyment from your new space.

Finance Options

It can be a big decision to choose a new orangery for your home. To help you make that decision, we have a range of finance options available that will allow you to spread the cost over a time that suits you. Explore our full range of options here.

Range of Accreditations

We are extremely proud of the level of service and the quality that our orangeries provide for homeowners. But you don’t have to take our word for it! We are accredited by Secured by Design and Certass, reflecting the quality of our products.

Frequently Asked Questions

What's the difference between an orangery and a conservatory?

Orangeries generally have more solid construction, particularly on their roof, than a conservatory. With Britannia, both will provide an excellent level of performance for your home.

Are they Building Regulation compliant?

All of our orangeries are supplied from the leading name Ultraframe. They have ensured that the designs are completely compliant with the latest Building Regulations.

Do you have a showroom?

Pay a visit to any of our showrooms to see our home improvements in person. You can find them in Bristol, Clevedon and across the South West.

Happy Customers

Lady drinks coffee and watching through windows and doors

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