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uPVC Casement Windows Plymouth

We install uPVC casement windows in Plymouth, Torpoint, Saltash, Plympton, Brixton, Plymstock, Roborough and the surrounding areas.

Optimus for quality products and peace of mind

uPVC Casement Windows for Plymouth Homes

Our uPVC casement window profile is energy-efficient, secure and stylish. The unique six chamber system achieves an A+ rating – that can be increased with certain glass combinations – at a time when energy efficiency is essential.

You’ll find the range of styles, colours, and hardware that we install across Plymouth and the surrounding areas below.

casement window in lounge
Weathersealed Design
Timeless Look
Low Maintenance

Modern Design

Optimus casement windows offer the classic aesthetic to the interior and exterior of your Plymouth home, combined with the modern benefits of uPVC. Our windows meet today’s standards, and you will enjoy them for decades.

  • Weathersealed Design

  • Timeless Look

  • Low Maintenance

Triple Glazed Casement Windows Plymouth

At Optimus, we are delighted to be able to offer uPVC windows specifically designed for triple glazing. The profile includes the benefits of the standard profile but also includes more significant noise reduction, increased energy retention and the added security of a third pane of glass.

Casement-Window from garden

Highest Level of Security

Maximise the security of your home and keep your family safe by choosing our highly secure Plymouth uPVC casement windows.  All of our casement windows come with integrated multi-point locks as standard, therefore providing a modern degree of security and protection for your home.

What Our Customers say: these are genuine reviews that you can find on both Google and Trustpilot, click on the Trustpilot Logo to read our reviews.

Phil ParkinGoogle Review
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Plymouth Double Glazing - Windows
Optimus windows supplied our home we are renovating with beautiful aluminium windows and doors. Tim surveyed them for us to make sure they could be fitted by our contractor. Superb company to deal with and there knowledge is second to none. The company has a wealth of pedigree and that’s what attracted them to us recommend by friends. Thank you Chris.
A WilliamsTrustpilot Review
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Fantastic Service from Start to Completion
Chris and the team were nothing short of fantastic! Our home looks amazing, the timber windows are beautiful, we are so much warmer inside and our house was immaculate after every day. many thanks to the team at Optimus.
Date of Review: 13.01.23
Debbie EatonGoogle Review
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Two Replacement Windows
Had 2 windows replaced due to previous windows causing damp issues. The team were very polite and incredibly knowledgeable. I can't believe the difference with the new windows. The quality is amazing. Will definitely be using the company again to replace more windows and have already recommended to family and friends.
Jenny RogersTrustpilot Review
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New Cottage Windows
Had some windows fitted in my air bnb cottage. The guys did a great job. I had the old style with the wood dividing the panes of glass and they look amazing so in keeping with the cottage style. Everything was left spotless. Would highly recommend Optimus and will definitely be using them again. Thanks Optimus
Date of Review: 07.03.23
Fleur ChurchillGoogle Review
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Exceptional Customer Service
Fantastic service from start to finish and really pleased with the quality of the windows. Personally I would never go anywhere else, loved the professional approach.
Carla JenkinsonTrustpilot Review
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An amazing Experience from the Team
An amazing experience from the team. A first class service who are friendly and professional. They go out of their way to make sure things are right and the customer is satisfied. I will only use this company now for all my Windows and doors.
Date of Review: 20.05.22
Carla BennettGoogle Review
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Doors with Blinds
We absolutely love our doors with integral blinds. The service and fit was exceptional. The level of customer service is outstanding with instant replies. No long queues and long telephone waiting. We would highly recommend. Thank you to Chris and the team.
Rachael PayneGoogle Review
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Professional Service
We had Optimus windows to do some work for us today and we highly recommend them. The job was arranged in a professional manner and the fitters arrived as promised on time, and very clean smart appearance.We will certainly recommend Optimus to family and friends and we will certainly be using them again for all our door and window needs. Five star service.
Kerry WilliamsGoogle Review
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New Windows and Bi-Folds
Would like to thank Chris Treeby and Optimus Windows for our new windows and bi folds doors. They look amazing and we are so so happy with all the service from start to finish x
Rebecca TrustTrustpilot Review
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Excellent Company
From our first enquiry to fitting our new front door, the service has been seamless. Very pleased with all aspects of the customer service and fitting. Excellent communications with updates of the order status. Can’t recommend highly enough.
Date of Review: 25.02.23
Kat & John LaurieTrustpilot Review
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Optimus First Class
From start to finish Chris, Jon and the team were very helpful and honest in their dealings with us. Their communication is first rate and always someone just a phone call away. Definitely recommend Optimus. Date of Review: 20.03.23
John LilleyTrustpilot Review
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Great Workmanship and Customer Service
This company really looks after its customers. And, just as important, its workmanship is second to none. This is our second order with Optimus over the last few months. We highly recommend this company. It’s so reassuring to work with a trustworthy company which prides itself on the quality of its installations and is extremely customer focussed.
Date of Review: 08.03.23
Debbie PerrinTrustpilot Review
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Highly Recommend this company
Highly recommend this company, for the initial quote Chris turned up on time, talked us through all options, and some we had not even thought of, very knowledgeable with no hard sell. The fitters Tim and John turned up at 8.30 everyday, worked hard and we are so pleased with their fitting and the end product Many thanks to you all
Date of Review: 28.03.23
Mel RichardsTrustpilot Review
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You won't be disappointed
I'd seen Optimus pop up on Facebook with lots of recommendations for them. All of the team are friendly guys and are passionate about their company and products and so they should be, my windows and doors look great! Highly recommended, in fact, a friend has already got them booked in for fitting!!l
Date of Review: 03.04.23
Roland SchmidtTrustpilot Review
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I would recommend Optimus.
I have just read the reviews and I agree with everyone on what they have written. Quality of product and price was really excellent and would recommend Optimus to anyone. Thank you all.
Date of Review: 24.04.23
SorrelTrustpilot Review
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Faultless from Start to Finish.
What a great experience. From beginning to end our dealings with Optimus have been a delight. Nothing was too much trouble for them. From the original and ongoing messages with Chris, the survey with Tim, and the fitting with Jon and Tim (with a guest appearance from Chris!) everything was a pleasure. For full review see Trustpilot
Date of Review: 28.04.23
Lash Fairy PlymouthGoogle Review
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I love my new door and window!
Great and very stress-free experience with Optimus. I love my new door and window. The door fitting was delayed due to the door not passing the quality check initially but a new date was quickly arranged. I felt comfortable having Jon and Tim at the house and they just got on with the work without any issues. Would certainly recommend.
Kate OuldGoogle Review
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Great Service
Great service by all the team, super friendly and attentive. Really pleased with installation and quality of new front door 💯 Thank you!
George MitchellGoogle Review
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Very professional
Dealt with Chris the owner who was helpful from start to finish. Didn't push the sale & nothing was too difficult. Fitters were also very professional & the workmanship was second to none. Great experience & glad I opted for a local business in Oreston. Recommended.

Types of Upvc CASEMENT wINDOWS plymouth

Optimus casement windows are available in a wide range of configurations, styles and finishes. We can design and install single casement, double casement, top hung, fixed casement and tilt and turn windows. We have provided some more detail on these windows below.  Our uPVC casement windows make a bold statement with their low sightline gaskets and neat finish, allowing you to relish the uninterrupted views from inside your property. Spacer bars fitted within provide extra strength against condensation and cold air ingress for added protection – perfect for helping maximise natural light entry.

Single Casement Windows

Factoring in popularity, convenience, and versatility, the single casement double-glazed window is a top contender in the window game. With a simple yet effective design consisting of one hinged window opening along the side, you can control the airflow as much or as little as you desire. This type of window can complement any architectural style, whether it’s a modern build or a historic home, making it a reliable and timeless choice.

Double uPVC Casement Windows

Looking for a window that can seamlessly merge your indoor and outdoor spaces? Look no further than double casement windows, or French Windows. These windows boast two sash windows that can be opened from the centre, obliterating any central bar obstacle. They provide the perfect, undivided view. Additionally they enable you to enjoy the fresh air without ever having to leave the comfort of your home. 

Top Hung Windows

Another excellent addition to your home  are top hung windows. These cool windows swing open from the bottom and are hinged at the top. They’re cleverly designed to hang from the top track, meaning the frame heads take most of the weight, making them durable and long-lasting. In addition to looking stylish, top-hung casement windows are great at blocking out rain, making them the perfect choice for any weather conditions.

Fixed Casement Windows

Are you looking to add some natural light to your living space without the hassle of opening and closing a window? Look no further than a fixed casement window! These windows may look like their functional counterparts, but they’re purely decorative. They are designed to let the sun in and add a touch of elegance to your home. While they won’t provide any ventilation, their aesthetic appeal is unmatched.

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Glass Options


Our range of uPVC windows keeps your home safe, quiet and, most importantly, warm. We supply double-glazed or triple-glazed uPVC and aluminium windows in various colours and styles for every home.

uPVC Casement Windows FAQs


Our casement windows are a multi-chambered uPVC  profile design. This state-of-the-art profile enables them to achieve an A+ rated standard of heat retention. At a time when energy bills are high this rating means that they will work to keep your home comfortable throughout the cold winter months and trap in warmth to support your Plymouth property to heat up more quickly. It will also reduce heat loss through the windows and enable the house to stay warmer for longer.
Savings with Casement Windows Plymouth
With Optimus casement windows in place, you could save money on your heating costs as your boiler wont have to work as hard to keep your home warm, or you wont need to rely as much on the grid if you have solar panels and battery storage. Consequently, you could find that your heating costs or carbon footprint reduce.


You can customise the appearance of your new uPVC casement windows with a range of finishes, colours and hardware. Classic white will always be popular, but you can also select from a choice of RAL colours to suit your home, and the woodgrain finish is always popular with our cottage-dwelling customers.

Because every house is different, windows have to be bespoke. A customer living in a modern new build home will often select something very different from a traditional or heritage property. At Optimus, we pride ourselves on being able to bring a personal touch to your window without compromising on quality and offer our Plymouth customers a wide choice to meet all their wants and needs.


We are confident in the quality of all our products, and we acknowledge that replacing windows is quite an investment in terms of home improvements. With this in mind, our casement windows come with a 10-year insurance-backed guarantee through Assure. Assure not only provides a guarantee but verifies that your casement windows are the energy-rated ones you ordered and that the installers and surveyors hold the appropriate qualifications, giving you peace of mind.

More about Casement Windows Plymouth

Make your Plymouth home more energy and cost efficient with quality, hand-finished windows and doors. Our products will not only help you save on expensive monthly bills – they’ll also reduce noise pollution for a better living experience.

British Made Casement Windows

At Optimus, we believe in the quality and craftsmanship of British manufacturing. That’s why all our products are absolutely made with passion and pride right here at home – allowing you to be part of a movement that will help shape Britain’s future. Get on board today: Choose Quality; Choose British windows.


We are based in Plymouth although we cover a wide area outside of city including Manamead, Tamerton Foliot, Woolwell, Glenholt, Derriford, Bickleigh, Roborough, Plympton, Chaddlewood, Hemerdon Sparkwell, Luton, Brixton ,Yealmpton Noss Mayo Newton Ferrers to name but a few!


Industry leading Accreditations