The Cathedral has Glass spanning a period of nearly 700 years. The earliest dates from 1330, and the most modern dates to the current century.
On this tour, visitors will learn about different techniques for producing coloured glass, stained, painted and pot metal, and will be shown examples of windows from several Victorian makers in addition to the medieval and contemporary glass.
The tours will be followed by a hot drink and cake in the Cathedral Refectory.
Tickets: ÂŁ12.50 available online from the Cathedral Box Office or by phone on 01962 857 275.