Glevum Windows Doors Conservatories

Enhance your home with affordable uPVC sliding glass patio doors, a space-saving alternative to bi-fold doors

Glevum Windows Smart Sliding Patio Doors uPVC
Glevum Windows Smart Sliding Patio Doors uPVC

Enhance your home’s connection to the garden with uPVC Sliding Glass Patio Doors. This cost-effective, space-saving alternative to bi-fold doors offers security, elegance, and energy efficiency.

Smart as Standard: These doors include Kubu® Smart Security Sensors. The Kubu® Smart Alerting System lets you check whether your window is open, closed, or being tampered with via a smartphone app. T&Cs apply.

Is your furniture arranged to accommodate a door that swings wide open? A standard hinged French door, for example, can demand about nine square feet of clear floor space just to function—an area you can’t use for a cosy armchair or a favourite plant. This common frustration is where modern, space-saving sliding patio door solutions completely change the game, making the sliding vs French patio doors debate a critical one for many homes.

A sliding door moves along a track rather than swinging into the room, reclaiming valuable floor space. This allows you to position furniture closer to the glass, optimising layouts in smaller living rooms or compact patios.

With slim sightlines and smooth operation, these doors provide natural light and ventilation year-round. Their energy-efficient design helps reduce your carbon footprint and lower utility costs.

Glevum’s made-to-measure uPVC sliding patio doors are versatile and suitable for conservatories, balconies, or internal room dividers. A variety of configurations and colours are available to suit your preferences. High-quality glass, insulation, and security features enhance safety, warmth, and noise reduction. With over 40 years of experience as a Gloucestershire-based installer and a 10-year guarantee, Glevum is well-positioned to support your upgrade. To learn more, request a free home visit.

  • Made-to-measure to your specifications.
  • Choose from 2, 3, or 4 panes of glass with customisable sliding configurations (e.g., a 2- or 3-pane format where one of the panes slides and the other(s) is (are) fixed, or a 4-pane format where there are two fixed panes and two sliding panes).
  • Smooth glide, lightweight opening and closing mechanism tested to 150,000 cycles.
  • Low-track, low-threshold options for ease of access.
  • Slim sightline multi-chamber energy-efficient framing system.
  • High-performance energy-efficient 28mm glazing as standard.
  • Achieves Window Energy Rating of A+ and U-values as low as 1.3 W/m2K.
  • Effective insulation from external noise.
  • Steel reinforced.
  • PAS24 accredited with anti-jacking technology for outstanding security as standard.
  • The security head rail prevents the sliding panel from being lifted off the track.
  • Police approved Secured by Design option featuring anti-bump cylinders and interlock bolts.

Add a splash of colour.

Available in a range of colours and styles, from smooth flat-finish contemporary greys to period pebble greys, sages, and claystone woodgrains. We also offer 23 made-to-order colours, including foiled on both side options.

Frequently Asked Questions:

Looking for sliding glass patio doors in Cheltenham, Gloucester, Hereford or Monmouth? Then here’s why you can feel good about working with Glevum:

  • Established in 1984, we offer extensive knowledge and experience.
  • We are a leading FENSA-approved window and door installer based in Gloucestershire.
  • We are a Kubu Pro Installer.
  • All our windows and doors include a 10-year GGFi-backed guarantee.
  • Our dedicated Service Department is here to support you.
  • More than 45,000 customers enjoy the security and quality of our windows and doors.
  • About half of our work comes from returning customers and recommendations.
  • We offer a range of Finance Options. Just ask for details during your free home visit or quote.
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How can we help?

Send us an email or give us a call
0800 332255

Glevum Windows Doors Conservatories. Leading AWARD-WINNING Gloucestershire supplier and installer of Aluminium and uPVC.

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Glevum Windows Doors Conservatories.

“Friendly, helpful staff from sales person to fitter, excellent service all round.”

J Holyhead (Gloucestershire)
March 2026

“Very helpful and reassuring. My window and door were fitted by 2 very nice men and its prefect, we are so pleased, thank you so much.”

K Smith (Gloucestershire)
February 2026

“Very professional service from the quote to the fitting. Very pleased.”

J Ochiltree (Gloucestershire)
January 2026

“We have used Glevum many times over the last 25 years and have never been disappointed with the quality of workmanship, timely service and friendly approachable people.”

M Tattersall (Gloucestershire)
January 2026

"Excellent service and workmanship. Highly recommend."

M Tomlin (Gloucestershire)
November 2025

"Glevum were very professional throughout the purchase and installation and I am happy with the finished result. Installation team were courteous, neat and tidy throughout the process."

R Elliott (Gloucestershire)
November 2025

“Friendly, helpful staff from sales person to fitter, excellent service all round.”

J Holyhead (Gloucestershire)
March 2026

“Very helpful and reassuring. My window and door were fitted by 2 very nice men and its prefect, we are so pleased, thank you so much.”

K Smith (Gloucestershire)
February 2026

“Very professional service from the quote to the fitting. Very pleased.”

J Ochiltree (Gloucestershire)
January 2026

“We have used Glevum many times over the last 25 years and have never been disappointed with the quality of workmanship, timely service and friendly approachable people.”

M Tattersall (Gloucestershire)
January 2026

"Excellent service and workmanship. Highly recommend."

M Tomlin (Gloucestershire)
November 2025

"Glevum were very professional throughout the purchase and installation and I am happy with the finished result. Installation team were courteous, neat and tidy throughout the process."

R Elliott (Gloucestershire)
November 2025

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