Smart Windows and Doors - Be Sure It's Secure


Here to help
Home security is still a top priority, and our Smart Windows and Doors offer an advanced solution for those homeowners who want peace of mind.
- Remote Monitoring: Access your security from anywhere.
- Customisation: Tailor security settings to specific needs.
- Integration: Connect with various smart home devices.
Key benefits of Glevum Smart Windows and Doors with integrated Kubu® Smart Security sensors:
- The Kubu® System is built to the highest security standards - Tested, certified, and independently accredited to provide real peace of mind.
- User-friendly mobile app - Intuitive and easy to navigate.
- Real-time alerts - Know exactly when a window or door is unlocked.
- Fewer false alarms - Only alerts when it matters.
- Lock Check Reminders - Ensures you never forget to secure your home.
- Family peace of mind - Check from anywhere at any time.
- Support for loved ones - Track carer or relative visits remotely.
- SureShieldTM – Allows you to put your sensors in a heightened state of alert. With ANY change in status, activity, or vibration detection, Kubu® can send you Critical Alerts directly to your mobile device – even capable of overriding ‘Do Not Disturb’ mode- so you know something is happening at your property that needs your attention.
- SureSecureTM - How many times have you wondered, “Did I lock my door?” With SureSecure™ geofence alerts, Kubu® will send you a notification that you forgot to lock your door before you even reach the end of the street.
- Family Sharing - Check whether your elderly relatives are locked up securely before bed, or be alerted when your children are home safe from school. There are lots of reasons you may want to share your Kubu®.
- Scheduled Alerts - Kubu® can send status update notifications at a convenient time that best suits you. For example, you could send a reminder that all is secure at bedtime.
- Lifestyle Alerts - Kubu® uses remote data and machine learning to send you alerts when you need them most. For example, Kubu® can warn you to close your windows just before it starts raining!
- Energy Friendly - Kubu® can help you improve your home's energy efficiency with Smart notifications and integrations. For example, Kubu® could turn off your heating when the windows are open or when you’ve left the property.
Protect your whole home with a £10,000 Total Home Security Guarantee for that extra peace of mind:
Enjoy peace of mind at home with a £10,000 Total Home Security Guarantee.
- Locksmith Services - up to £2,000.
- Door/window Replacement - up to £3,500.
- Insurance Excess Payment - up to £2,500.
- Additional Uninsured Loss - up to £2,000.



Replacement Windows
We offer a variety of windows, from classic white to coloured frames and timber-look styles. Our windows come in many colours and designs to match your home perfectly.

Front & Back Doors
The right front door can create and maintain a great first impression. A pair of French Doors, a set of Sliding Patio Doors, or bifold doors can better connect your home to your garden.

Finance your Smart Windows & Doors
To help you take the benefits of new double glazing now, we have teamed up with one of the UK’s leading financial services companies, so you’re in safe hands.
What makes Glevum Windows a trustworthy choice for Smart Windows and Doors?
Out of 640 customers who took our Customer Survey, 92% said they would recommend Glevum Windows to others!
- We have been in business since 1984, bringing years of knowledge and experience to every project.
- We are a trusted FENSA-approved window and door installer based in Gloucestershire.
- As an Ultraframe supplier and member of the Ultra Installer Scheme, we are committed to providing high-quality products and service. You can count on us for an excellent installation in your home.
- We are an approved installer for Get Snug Windows & Doors.
- We are also a Kubu Pro Installer.
- All our windows and doors come with a 10-year INSTALLsure (formerly the GGFi) insurance-backed guarantee.
- If you need planning permission or building regulations, we will take care of it on your behalf.
- Our dedicated Service Department is always here to help you.
- Over 45,000 customers trust the security and quality of our windows and doors.
- Nearly half of our work comes from returning customers and referrals.
- Rated 'Excellent' on Trustpilot.
- We offer a range of Finance Options. Feel free to ask about them during your free home visit.
“Excellent. Turn key solution and Glevum took away my hassle, particularly that the location was not the easiest. Very good communication at all stages.”
M Julian-Jones (Newport)
September 2026
“Professional, timely, friendly and efficient.”
J Hardwick (Stonehouse)
August 2026
“A pleasure, as always. From start to finish, everything ran smoothly.”
G Delaney (Cheltenham)
July 2026
“Really lovely company. Have used in a previous home and would use again.”
S Price (Cheltenham)
June 2026
“Everyone we encountered from the company was very helpful, knowledgeable and friendly.”
G Day (Gloucester)
May 2026
“Really good, great throughout and great finished product.”
H Jenkins (Lydney)
April 2026
“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
“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. Turn key solution and Glevum took away my hassle, particularly that the location was not the easiest. Very good communication at all stages.”
M Julian-Jones (Newport)
September 2026
“Professional, timely, friendly and efficient.”
J Hardwick (Stonehouse)
August 2026
“A pleasure, as always. From start to finish, everything ran smoothly.”
G Delaney (Cheltenham)
July 2026
“Really lovely company. Have used in a previous home and would use again.”
S Price (Cheltenham)
June 2026
“Everyone we encountered from the company was very helpful, knowledgeable and friendly.”
G Day (Gloucester)
May 2026
“Really good, great throughout and great finished product.”
H Jenkins (Lydney)
April 2026
“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
“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
Frequently Asked Questions:
Areas We Serve:
Glevum Windows is a trusted home improvement specialist, helping homeowners throughout Gloucestershire, Herefordshire, Worcestershire and Monmouthshire.
We’re one of the largest, leading independent double glazing companies based in Gloucestershire. While our core area is Gloucestershire, we are ideally located to serve home improvement needs in Cheltenham, Gloucester, Tewkesbury, Stroud, Cirencester, Hereford, Ross-on-Wye, and Monmouth, among others.
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