uPVC Casement Windows
The UK’S most popular window
Casement windows are the UK’S most popular window due to their ease of use and ability to customise the design to suit any home.
They are also secure, energy efficient and 100% Bespoke.
The Windows benefit from being internally glazed so you don’t need to worry about security and there is little to no maintenance required once fitted by our expert fitters.
All Weather Exteriors will go through the whole design stage with you so that you can make the right choice for your home. Casement Windows can be customised to almost any configuration. We are here to hold your hand from start to finish. This is why we will come and offer you a free no obligation quote and ensure you are 100% pleased with the end result.
We offer contemporary and convenient solutions to changing your windows.
Hardware Finishes
You can complement your sash windows with a range of hardware finishes. These colours come in 8 different shades and styles including contemporary ones like Antique gold and Black nickel.
Colours and Finishes (Foils)
UPVC Sash windows allow you to be bold with colour, just like their timber equivalents. The Sash windows can be sprayed any colour and we also have the standard colours available. This allows for a truly bespoke finish. It even gives the option of white on the inside and your chosen colour on the outside.
Traditional Features
To create an authentic replacement our windows offer sash lifts, run through or continuous horns, pole eyes, locking catches and woodgrain finishes. You can choose what you would like (or not) to add to your windows and what colours you prefer. The windows are designed to be as close to the timber originals as possible.
Glazing
Tougherend A+ rated are fitted in all our Sash windows as standard. We can also supply acoustic glass for noise reduction and a full range of obscured glass ranges for rooms that require that little bit more privacy.
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Smart Features That Matter
Some key features for our casement windows
- Multi-Chambered Profile for Optimum Thermal efficiency
- High-Security Shootbolt Locking System
- Constructed From 100% Lead Free, Recyclable Materials
- Up To A+12 WER Energy Rating
- Manufactured in the UK
- Weather-Sealing Double Action Gaskets
Quality You Can Rely On
Traditional style and elegance. Modern performance. No compromises.
- Durable Hardware
- Hinge Protection
- Chambered Rebate
- Slim Sightlines
- Minimum Maintenance
- A++ Energy Rating
Frequently Asked Questions
Everything you need to know
Get all the charm of traditional timber without the headaches. uPVC sash windows replicate the classic look with realistic wood-effect finishes and authentic sash designs, so your home keeps its character and style.
But unlike timber, uPVC never rots, warps, or needs painting, staying flawless year after year. They’re durable, low-maintenance, and energy-efficient, saving you time, money, and stress.
With uPVC, you get timber’s timeless elegance plus modern convenience—a smart, stylish choice that keeps your home looking perfect with minimal effort.
Most likely not. Our windows are installed from the inside, so scaffolding is rarely needed. If you’re unsure, don’t worry – we’ll come and have a look during our free quotation to assess your home and make sure everything can be done safely.
Modern Victorian slider uPVC sash windows can be very energy efficient. Many achieve an A or A+ energy rating with good double glazing, keeping your home warm and helping to reduce energy bills.
Yes. uPVC windows help reduce outside noise thanks to their airtight frames. For extra quiet, you can choose different types of glass like toughened, laminate or acoustic glass options.
Yes. uPVC sash windows are significantly cheaper than timber sash windows. We quote you a price and stick to it. uPVC needs no maintenance, so you save on both installation and long term care compared with timber. Winning!
Yes. Our uPVC sash and casement windows, along with our Certass approved installers, certification fully meet current building regulations for safety, energy efficiency, and ventilation. This means planning permission is usually not required. It’s only needed if your home is in a conservation area or is a listed building.












