We work on standard glazing, high-level windows, oversized panes and sites with restricted access, so whatever's failing and wherever it is, we've likely repaired something similar before.











































GLRE repairs commercial windows and glazing seals for buildings of every size, from single shopfront units to high-rise facades. If a window is letting in draughts, misting up between panes, or the seal has simply given way, we can usually repair it in place rather than replace the whole unit.
Our teams handle window seal repair and resealing, frame repairs, and skylight and rooflight repairs, alongside general commercial window fitting where a repair isn't enough on its own. We work to vertical facades, atriums, rooflights and canopies, and we're equally comfortable at ground level or several storeys up.
If you're chasing quotes from window repair companies and want a straight answer on whether your building needs a repair or a replacement, get in touch. We'll tell you which one it actually needs.






Not every failed window needs replacing. A large share of the call-outs we attend turn out to be a seal repair, a reseal, or a frame fix, work that costs a fraction of a full unit replacement and can often be done the same week. We'll always tell you plainly which option makes sense for your building and your budget.
Our supply chain means we can match glass specifications and seal types quickly, even on older or non-standard units. And with access equipment for restricted sites, railway lines, busy roads and airside locations, a difficult-to-reach window is rarely a reason to delay a repair.
Why trust us
GR have over 28 years experience as the leading UK curtain wall installation, repair and refurbishment company, as such we specialise in:
To discuss your Commercial Window repair and refurbishment requirements, please get in touch using the contact form or by calling us.
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.