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Outstanding Energy Efficiency: Our uPVC doors are designed to offer superior insulation, helping you keep your home warm during winter and cool in the summer.
Low Maintenance & Long-Lasting: Enjoy the look of real timber with our wood-effect finishes – all with the benefits of uPVC’s resilience and minimal upkeep.
Enhanced Security: With robust construction and improved security features, our doors give you peace of mind while protecting your home.
Versatile Style Options: Choose from a range of colours – from classic white to contemporary hues – and customise your door with handles, knockers, and decorative glass panels to complement your home’s style.
Cliffside’s uPVC doors come in a selection of colours and finishes, including classic white, greys, woodgrains, and modern tones. This allows you to find a finish that suits your home and style.
You can also customise features like glazing to complement your chosen look. Whether you want to match your home and windows, or want something bolder, we can find a style for you.
Every uPVC door is fitted with secure multi-point locking and quality hardware to help protect your home. Strong frames and tight seals further improve resistance to forced entry.
All installations meet FENSA standards and are covered by guarantee so you can feel confident in your door’s long-term security and performance.
Windows, Doors & Conservatories
At Cliffside Windows, we offer a comprehensive selection of uPVC doors to suit every taste and requirement:
Based in Dunston, Lincoln, our family-run business has been trusted for over 50 years to deliver and install quality uPVC doors across Lincolnshire. Whether you’re in Lincoln, Grantham, Sleaford, or Boston, our experienced and vetted fitters ensure a smooth, efficient, and tidy installation process. Every installation is backed by an insurance-backed guarantee and our commitment to excellence.
While composite doors offer premium aesthetics, modern uPVC doors are now a smart, cost-effective alternative without compromising on quality. Modern uPVC designs provide:
We supply and install a wide range of uPVC door styles, including front and back, French, Bifold, and sliding patio doors. Each is available in multiple designs and finishes to suit your home.
You can use our online door designer to explore different colours, glazing options, and finishes. It’s a great way to visualise your ideal door.
All our uPVC doors are fitted with modern multi-point locks, quality hardware, and reinforced frames to provide excellent home security.
Yes, from colour and finish to glazing, there are plenty of ways to personalise your uPVC door.
Our uPVC doors are designed to keep heat in and cold out, helping to lower energy bills and improve home comfort.
See our products up close at our Lincoln showroom. It’s the perfect place to explore styles, ask questions, and chat with our friendly team about what’s right for your home.