Casement Windows Leeds | Casement Window Prices Leeds
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Casement Windows Leeds

Treat your Leeds home to a new set of casement windows. We offer a versatile range of casement windows in either a uPVC or aluminium profile. This window style is extremely popular across all types of properties as it can easily be customised. There is a range of colours, finishes and hardware options for homeowners to choose from.

Here at Quickslide, we work with industry-leading suppliers to bring Leeds homeowners high-quality casement windows. Our advanced manufacturing means that our products can boast an abundance of practical benefits to enhance any home. Get your next project started today and find your local installer.

uPVC Casement Windows

Leeds homeowners can choose our classic uPVC casement windows for their property. This traditional style can be tailored to harmonise with the aesthetics of their home. We also manufacture uPVC flush casement windows for anyone that prefers a seamless and elegant look for their property.

uPVC is an extremely popular profile that is used in homes across the UK. The multi-chambered profile is a great insulator for Leeds homes. Double glazing comes as standard in these window styles to enhance thermal performance and insulation. uPVC is a cost-effective solution for any homeowner.

Aluminium Casement Windows

Aluminium is an increasingly popular choice for homeowners in Leeds. The sleek and stylish frame will add a modern touch to any property, whether a new-build or a traditional home. We offer both aluminium casement windows and aluminium flush casement windows to you to choose from for your next project.

Our aluminium casement windows are fitted with materials such as internally beaded vents to encourage the natural ventilation of fresh air into Leeds homes. The robust frame can adapt to each weather condition to ensure that homes are secured at any time. Aluminium is a great investment to choose from for your casement windows.

Product Options

Our Colour Options

Our casement windows are available in a wide range of colours, including stunning, authentic woodgrains. Whatever age of property these windows are to be installed in we have a colour to suit. We even offer a bespoke colour bonding service, whereby we can produce windows in almost any conceivable hue.

Smooth White Profile
Smooth White
White Woodgrain Profile
White Grain
Cream Woodgrain Profile
Cream Grain
Agate Grey Profile
Agate Grey
Grey Woodgrain Profile
Anthracite Grey
Black Ash Profile
Black Ash
Chartwell Green Profile
Chartwell Green
Golden Oak Profile
Golden Oak
Irish Oak Profile
Irish Oak
Rosewood Profile
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Performance Value
Best U-Value (Double Glazing) 1.4 W/m²K
Best Energy Rating A
Air Tightness (Pa) Class 3
Water Tightness (Pa) Class 5A
Wind Load (Pa) Class 3A
PAS 24 Security Upgrade Yes
Min Sizes W: 360mm | H: 750mm
Max Sizes W: 1500mm | H: 2350mm

Thermal Performance

Our casement windows are fitted with 28mm double glazing as standard, and if you choose to opt for Argon Gas, our windows can achieve energy ratings as high as ‘A’. The aluminium casement windows have the option to include 36mm triple glazing for enhanced thermal performance. The improved energy efficiency will allow homeowners to enjoy a well-insulated home.

Highly Secure

The uPVC and aluminium casement windows come with a chance to upgrade to a comprehensive security upgrade to meet the PAS 24 standards. This upgrade includes the following features, hinge protectors and anti-lifting blocks. These safety mechanisms have been tested regularly to ensure that they feel protected in their home at all times of the year.


The airtight seal of our uPVC casement windows will secure Leeds homes from adverse weather conditions. A polyamide thermal break is fitted in our aluminium casement windows, which will create a continuous seal between your home and the cold air outside. The frame and the double glazing work together to prevent draughts and water ingress from entering homes.

Sound Insulation

The double glazing that comes with our casement windows, alongside the frame, will help to improve the sound insulation of your Leeds home. The glazing layers will help reduce the amount of outside noise that you hear in your property. You can relax throughout the year with minimal disruption, thanks to the soundproofing of our casement windows. frame, will help to improve the sound insulation of your Leeds home.

Casement Window Prices Leeds

Enhance your Leeds home with our beautiful range of casement windows. Find your local installer by entering your postcode. You will find a list of your nearest installer, and you can start designing your next project.

You can send us a message through our online contact form, and we will get back to you as soon as possible. If you prefer to speak with us directly, give us a call on 03332 412 240.

Featured Installers

Aire Valley Glass Ltd.

Aire Valley Glass Ltd.

Bridge Road, Sutton in Craven, BD20 7ES

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Windoor Online Limited.

Windoor Online Limited.

182 Swan Avenue, Bingley, BD16 3PA

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Can I replace existing timber windows in a conservation area with uPVC sash windows?

You can install our products in a conservation area. However, this works on a project by project basis as each area is different.

We can advise on enquiry as to the customisation options that would provide the greatest chance of approval. Our team are here to help!

Can I install your sash windows in new builds?

Yes, you can install our products into a new build home. Our windows and doors are tested to comply with new build regulations, including Approved Document Q (security).

It’s important to let us know if you’re ordering products for a new build, as the specification will need to be altered to ensure the products are compliant.

How do I get a price for your sash windows?

You can design and request a price for your new sash windows here on our website. If you require a full service including survey and installation, you can enquire and get a price via one of our stockists.

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