GRM Windows

GRM Windows GRM Windows Ltd Incorporating core values of quality, customer service, a wide range of products and a competitive price for each and every job we process.

Supplying directly to trade and public for 30years GRM windows has grown to become one of South Wales most established suppliers of PVCU Windows, Doors, Panels and Conservatories.

From SLINOVO and ARTEVO to Tilt&Turn and our Circuit Door collection, we've got windows and doors systems to match every...
27/05/2026

From SLINOVO and ARTEVO to Tilt&Turn and our Circuit Door collection, we've got windows and doors systems to match every property!

Our goal is to make sure that for every architect, builder and homeowner, your windows and doors systems are functional and stylish with all of the robust energy efficiency and sustainable ethos of a classic REHAU build.

If you're an architect or builder working on a new project, or a homeowner looking to give your property the windows and doors it deserves, get in touch!

💻 grmwindows.co.uk
⌨️ [email protected]
📲 01443 226 987

We've been a little quiet on here... But for good reason! Big things are happening at GRM Windows, and it's been heads d...
13/05/2026

We've been a little quiet on here... But for good reason!

Big things are happening at GRM Windows, and it's been heads down, foot to the pedal for the last few weeks now as we keep things moving in the factory and the office v

We can't wait to share some of our exciting projects and updates with you🚪🪟

Great doors can make it break a project. 🚪At GRM Windows, we believe that designing excellence goes well beyond the plan...
02/05/2026

Great doors can make it break a project. 🚪

At GRM Windows, we believe that designing excellence goes well beyond the planning phase, it's in the details, the special final touches, that's where a project can really come to life.

Our circuit door collection offers a real opportunity to tailor your entrance way with panels, glass and finishes that reflect the style, personality and the history of your build or renovation, without sacrificing on performance.

Click the link in our bio to explore the full range on our website:

💻 grmwindows.co.uk
⌨️ [email protected]
📲 01443 226 987

❗HUGE OPPORTUNITIES AVAILABLE❗You heard us correctly, we're hiring for three new roles at GRM. That's three new people t...
30/04/2026

❗HUGE OPPORTUNITIES AVAILABLE❗

You heard us correctly, we're hiring for three new roles at GRM. That's three new people to join the GRM family at our workshop in Pontyclun. 💪

We're looking for a full time:
- UPVC Fabricator
- Sales Order Processor
- Customer Service, Sales and Admin Assistant

These are great opportunities to join one of South Wales most experienced and trusted windows and doors manufacturers. We have a great team that loves what they do, and we can't wait to welcome these roles into the fold. 🙌

To apply click the link below 🔗

https://uk.indeed.com/cmp/Grm-Windows/jobs?jk=5567562b8c010a6e&start=0

What started as a family run business in South Wales has grown into one of the UK's most trusted REHAU window and doors ...
23/04/2026

What started as a family run business in South Wales has grown into one of the UK's most trusted REHAU window and doors manufacturers. Isn't that quite something!

From the very beginning, we've prioritised quality workmanship with modern engineering to create doors and windows systems that are stylish, functional and welcome the outside in without sacrificing on thermal performance.

We're proud of who we are, and we we have come from. 💪

💻 grmwindows.co.uk
⌨️ [email protected]
📲 01443 226 987

16/04/2026

Finding out the information you need shouldn't take a village, it should take a click! That's why we've developed our very own handy Resource Hub to ensure you have everything you need at your fingertips.

Whether that's product brochures, maintenance and installation guides or technical specifications, we have everything you need, right here.

Find out more:
💻 grmwindows.co.uk
⌨️ [email protected]
📲 01443 226 987

It's been so fantastic to have worked with our long-standing partners, REHAU, on this Llanerch Vineyard project. We trul...
13/04/2026

It's been so fantastic to have worked with our long-standing partners, REHAU, on this Llanerch Vineyard project. We truly value their support and recognition on these TOTAL70 casement windows and french doors.

Having the opportunity to work with local businesses like Llanerch Vineyard never gets old. Projects like this one always feel so special and we're so proud to have been part of it.

Find out more:
💻 grmwindows.co.uk
⌨️ [email protected]
📲 01443 226 987

It's Friday and we've got that FVF (Fresh Van Feeling) .Our other vans have been at full capacity over the last few mont...
10/04/2026

It's Friday and we've got that FVF (Fresh Van Feeling) .

Our other vans have been at full capacity over the last few months, with all kinds of commercial and industrial projects needing to be shipped from our warehouse. So we've invested in a brand new vehicle to lighten the load!

We're so excited to be adding this van to our delivery fleet. 🚐

💻 grmwindows.co.uk
⌨️ [email protected]
📲 01443 226 987

02/04/2026

A little shoutout this morning to one the factory MVP's...the Stuga Autoflow.

We have two of these AutoFlow units in our Pontyclun factory, which means we capacity to complete both Total70 and ARTEVO projects simultaneously! We love it when a bit of kit like this really packs a punch and makes a difference on site.

💻 grmwindows.co.uk/resource-hub
⌨️ [email protected]
📲 01443 226 987

Address

Old Joinery Yard
Pontyclun
CF729DT

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 3:30pm

Telephone

+441443226987

Website

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