Manufacturers & Installers of High Quality Casement Windows

Our uPVC casement windows are designed and manufactured in-house using premium quality materials and modern manufacturing techniques. We work with homeowners to ensure their new installation perfect suits your home improvement project.

Arrange a Quotation

casement windows lincoln
casement windows lincoln
Flush Sash Window

Benefits Of Casement Windows

At Spire Windows, we offer a fantastic range of premium casement windows for your home. These modern uPVC casement windows are a wonderful addition to modern and traditional homes alike. Thanks to the premium materials used they can transform the look and performance of a property.


We are so confident in the long lasting quality of our casement windows, they come with a 15 year guarantee of quality. Use our innovative online quoting engine to get a price and start your double glazing installation project. If you would rather speak to our friendly team, use our online contact form or call us on 01507 607291.

Lower energy bills

Thanks to the uPVC framework and double glazing, these casement windows can help you create a consistently comfortable space all year round. These double glazed profiles are A-rated as standard, which can help you rely less on your central heating. The innovative design could help you reduce your energy bills.

Safe and secure

For your peace of mind, our range of casement windows are fitted with state of the art locking systems as standard. They are outfitted with internal glazing and shoot-bolt key locking handles. These windows can brighten up a space without compromising on the safety of your home, loved ones and personal belongings.

A warmer home

No matter how adverse the weather conditions get outside, your home will stay cosy and comfortable. The low emissivity glass reflects heat back into your property. The argon gas features a thermal edge spacer bar to help minimise heat loss and condensation. The double glazing will act like a thermal barrier.

Made to Measure

We know every home is unique and every homeowner wants something different from their new window installation. That is why we offer a broad range of styles, colours and configurations to choose from. Add the perfect finishing touch with our selection of decorative glass installations and stunning ironmongery.

Money Saving Innovation

Our casement windows are extremely durable thanks to their rigid uPVC profile. These uPVC windows can handle whatever life throws at it, including unwelcome intruders and adverse weather conditions. These profiles won’t bow, warp or twist, even after time or with wear. They need minimal maintenance.

A world of colour

We offer a range of colours for your to choose from. Create your dream window design.

A world of colour

Product Gallery

Bespoke Casement Windows

Our modern selection of uPVC casement windows are available in a diverse selection of colours and finishes. We can adapt our installations to your current architecture, existing double glazing and personal preferences.

Add character to your casement windows with our astragal bars or Georgian bars. Choose from a diverse range of colours, glazing, hardware and finishes to ensure the installation seamlessly blends into your home.

Enhanced Thermal Efficiency

Flush Sash Window
casement windows lincoln

Enhanced Security

Our robust uPVC casement windows are made from robust and hard wearing materials for greater durability and better protection for your property. Thanks to their sturdy materials and advanced locking systems, you can feel confident your home will be secured.


Our windows hold many accreditations and often exceed British and EU standards. As a result, these windows are better at keeping your home and family safe from intruders who want to force their way into your building.

Why Choose Spire Windows?

Based In Louth, Lincolnshire, Spire Windows have been manufacturing and installing premium quality windows throughout the region for over four decades. As a family run business, we put our customers at the centre of everything we do. We cover the Louth, Lincoln, Scunthorpe, Doncaster and Grimsby area, using our skills and experience to help customers.

We have built our business on word of mouth which is why we prioritise our customers. We never pressure sell and we pride ourselves on delivering quality products at affordable prices. Use our online quoting engine to get a bespoke uPVC window price today.

From design to survey and manufacture to installation our friendly team will use their experience to help you achieve your goals. We will take care of the entire process, making it as hassle free as possible.


Trust Spire to manage your home improvement from start to finish


Design Visit






UK Manufacture





Check Out The Brochure Below To Learn More!

Get A Quote
Contact Us
Get A Quote