Craftsmen of Bespoke Timber Windows and Doors

At Allan Brothers we have literally generations of joinery expertise at our fingertips, unsurpassed in today’s window and door industry.

Alu Clad

Aluminium Clad timber windows and doors – a highly durable, low-maintenance, versatile solution for domestic and commercial applications.


As all properties are different, we offer two ranges of timber casement windows with a wide variety of design and performance features to suit your needs.

Get Inspired

View some of our case stories to help inspire you …

Our Story So Far

When Alexander Gilkie founded his timber company in Northumberland in 1811, George IV, the Prince Regent, had just come to the English throne and Napoleon I was raging war across Europe. Now, 200 years on, we are still going strong and pride ourselves of being the longest established window and door company in Britain.

The Guild Of Master Craftsmen

Over our 200 years of trading, our core philosophy of going the extra mile and “getting it right” for our customers …