The History of CSJ

CSJ (formerly known as Central Scotland Joinery) is one of Scotland’s leading installers of bespoke home improvements. We supply and fit in excess of 200 double glazed units every week and are continually expanding our operations throughout the country whilst remaining competitive and ensuring our customer service is second to none.

The backbone of the company combines in excess of 20 years experience in the industry, whilst each of our fitting teams have a minimum of 5 years experience as professional joiners.

Started in 2003, CSJ has grown continuously over the years and has served over 10,000 happy customers throughout Scotland. Our aim is to provide the best possible customer experience, which in turn will allow us to continue to grow organically.

Our History…


The business was formed as a Limited Company in Scotland.


Construction begins on our purpose built showroom and depot in Falkirk.


We moved into our new headquarters and for the first time showcased our products to the public.


We were invited to join and become underwritten by the DGCOS.


We completed our 10,000th window installation and 100th sunroom!


Our purpose built design centre is about to open!

So why chose us?

CSJ prides itself on our professional yet warm and friendly approach to providing home improvement services. We are one of three companies in Scotland registered with the official double glazing and conservatory ombudsmen service DGCOS whom underwrite all our work for a ten year period. Furthermore, we are one of the highest rated home improvement companies in Scotland.

With so many firms offering low cost products, it can be difficult picking the right company to supply and install your home improvement(s). Here’s some reasons you should consider CSJ…

Our upvc home improvements are Grade A energy rated – read more
We offer a variety of styles and only use virgin upvc (no sun discolouration)
All frames are Police Accredited Secured by Design through our supplier Consort – read more
Our products are certified and recommended by the Energy Saving Trust – read more
We offer a Triseal Spacer Bar (reduces up to 2dB noise and 70% condensation) – read more
We don’t take deposits or up front payments*
We provide a ten year insurance backed guarantee – read more
We have over 10,000 happy customers – read more
We cover the whole of Scotland!
We are committed to the environment – read more
We regularly donate to local charities and non-for-profit organisations – read more

*excluding extensions due to planning and legal costs, read more.

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