Where a window can be saved, we save it: aluminium and steel frames stripped, repaired and reglazed, often at a fraction of the cost of full replacement. Where it can't, we run phased replacement programmes designed around your building staying open. Over 25 years of getting it right, with the access, the guarantees and the paperwork to match.











































With over 25 years of experience, GLRE has developed a deep expertise in commercial window repairs and commercial glazing services, offering tailored solutions that meet the specific needs of each project. Our team's extensive background across various sectors enables us to adapt and deliver high-quality services that align with your business objectives.
Many aluminium and steel commercial windows, although now dated, are often manufactured and installed to a very high standard and stand the test of time compared to their modern alternatives. Our industry experience shows that these windows are often replaced at a very high-cost due to a number of factors, including:
Ageing Infrastructure: Addressing wear and tear on older, high-quality windows to extend their lifespan.
Water Ingress: Sealing leaks to prevent water damage and improve insulation.
Component Failure: Repairing or replacing faulty mechanisms, locks, hinges, and restrictor stays for operational efficiency.
Weather Seal Deterioration: Restoring weather seals and gaskets to maintain climate control and energy efficiency.
Glazing Damage: Fixing or replacing single or double-glazed units to enhance safety and aesthetics.
Where windows are past refurbishing, we run full replacement programmes across offices, schools, hospitals, public sector estates and listed buildings. Work is phased around the building staying open, floor by floor or elevation by elevation, with out-of-hours and weekend working where occupants can't be disturbed. Aluminium, steel and high-specification uPVC, matched to the building and to any planning constraints.
No two programmes cost the same, and any company quoting a flat price before seeing the building isn't being straight with you. The main factors are the number and type of windows, the frame material, the height and access involved, and how the work is phased around the building staying open. We survey first, then give you a clear, staged cost you can plan around.
Our site glazing teams are able to repair windows that refuse to open or close properly by removing and straightening twisted and poorly fitting frames, returning them to a fully operational window. Our window refurbishment works can be conducted out of normal working hours to avoid disruption to building occupants. Our site teams are trained in a variety of access techniques, including IRATA rope access, to be able to safely conduct window repair works with our projects supported by insurance backed guarantees.
Original steel windows are common on listed, industrial and mid-century commercial buildings, and they rarely need ripping out. We strip, repair and reglaze steel frames, replace failed putty and corroded sections, and where replacement is unavoidable we supply like-for-like steel windows that satisfy planning and conservation requirements.
A testament to our enduring quality and commitment.
From rope access services to full-scale refurbishments.
Serving businesses across the entire UK.
Utilising the latest techniques and equipment for optimal results.
Hear from our satisfied clients about their experiences with GLRE. Our commitment to excellence and customer satisfaction shines through in every project we undertake.
The cost varies based on the extent of damage and the specific repairs needed. Contact GLRE for a detailed quote.
Yes, uPVC windows can often be repaired, including the replacement of seals, handles, and glazing units.
Every programme is priced on the number and type of windows, the access required, and how the works are phased around your building's day-to-day use. We survey first, then give you a clear, staged cost with no surprises.
The average lifespan of uPVC windows is around 20 to 30 years, depending on maintenance and environmental factors.
Damaged uPVC window frames can often be repaired, depending on the severity of the damage. Our team can assess and provide the best course of action.
Usually, yes. Steel frames can be stripped, repaired, reglazed and redecorated to last decades more, which is often the only route acceptable on a listed building. We'll tell you honestly if replacement is the better option.