R&D Test Centre

The performance of timber windows has come such a long way over the past 20 years. George Barnsdale are proud to have been at the forefront of this, with huge investments made in research and development and testing of products.

To push the boundaries of timber window and door design, we are currently building our own Research & Development Test Centre on our site in Donington, Lincolnshire. We already use UKAS accredited, third party test houses and we will continue to do so. Having our own test centre will help us learn and ensure we consistently deliver on our customer promise of high performance timber windows and doors that provide long life with low maintenance.

Our guarantees

Our industry leading manufacturer backed guarantees ensure that our windows and doors will last for many years.

Let's get started...

Whether you are looking for information or doing some serious research for your window replacement project, getting in touch is always the first step. Here’s a few suggestions to get you started...

Download our brochure

Take our comprehensive range of timber windows and doors away with you.

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Complete our enquiry form

Fill in a few details about yourself and we’ll get straight back to you.

Complete enquiry form
Or simply get in touch

Our friendly and professional sales team are here to answer your questions.

telephone 01775 823000