Specialist Rehau Supplier To The Trade 

Welcome to 1stFrame

1stFrame supply and install Upvc windows, doors and conservatories throughout Cumbria and beyond. We are in partnership with another Rehau manufacturer, and we have chosen Rehau because of their quality, innovation and design.

All standard frames for our Upvc windows, Upvc doors, conservatories and double glazing are made to the most exacting standards. As well as our exceptional range of Upvc products 1st Frame also offer an exciting range of Timber, Aluminium & Bespoke products - really there's not much that Cumbria's number 1 window company can't offer.


Why Choose Us?

Quality and service are the foundations on which 1stFrame has built it's reputation.... through this web site we hope to give you an insight into why we are the supplier you should choose 1st.


What is



REHAU is the premium worldwide brand supplying polymer-based windows, doors and conservatories to professional fabricators and installers. Rehau are unrivalled in quality, technological innovation and exceptional design.

Why use us?

Why use a local company? Because 1stFrame and its employees are local we understand the exacting demands that both the local weather (and the local people) require of us & our products.

1st Frame have chosen products designed with these factors in mind. In an age of 'cheap' imports it's often a real benefit to know who you're dealing with - and to be able to contact them - or even call in should the need arise. 1stFrame's offices are open 6 days a week in Kendal

Value for your money

1stFrame only use the very best materials available. REHAU, is the world leader in pvc-u technology. Their locking systems meet the exacting 'Secure by Design' standard.

Every single item is Quality Checked before it leaves for delivery and installation. We're 100% confident that you cannot buy better quality products.


All of our Installers are fully trained by the company. We are always happy to offer advice or assist with designs - every product is made on a bespoke basis - so we can provide exactly what you need

1st Frame Trade Supplier

1st Frame also has everything for the Window Trade under one roof. We supply Windows, Doors, Conservatories, Heritage & Conservation Approved sliding Sash, Bi-Folds, and much more. We also supply a huge range of fascia soffits and trims. We provide detailed written quotations always within 24hours. We offer free deliveries throughout Cumbria, Lancashire and the Borders. 1st Frame are the longest Trade Upvc Supplier in the region – you can rely on us!

Call us now
07538 05083