Colchester Operatic Society (COS) and Colchester Operatic Second Edition (CO2) perform a selection of shows and concerts each year, at various locations throughout Colchester.
Upcoming Shows
18th – 21st September 2025
CO2 present Charlie and the Chocolate Factory at the Mercury Theatre
29th January – 8th February 2026
COS present Guys & Dolls
at the Mercury Theatre
If your interested in joining the cast or helping backstage click here to find out more.
Past Shows
2025
30th January – 9th February 2025
COS presented The Little Mermaid
at the Mercury Theatre
11th June – 14th June 2025
COS presented Back to the Past at the Headgate Theatre
2024
21st June 2024
COS headed into its 100th year and celebrated with a special one-off summer concert called Some Enchanted Evening at the Mercury Theatre
2023
14th June –
17th June 2023
COS presented ICONIC at the Headgate Theatre
This wonderful concert showcased songs from artists such as Queen, ABBA, Carole King, The Kinks, Elton John, Jim Steinman, and many more
26th January –
4th February 2023
COS presented SHREK: The Musical at the Mercury Theatre
2022
Photo by Sally Parkinson
8th June –
11th June 2022
COS presented From Page to Stage at The Headgate Theatre
27th Jan –
6th Feb 2022
COS presented The Hunchback of Notre Dame at the Mercury Theatre
Thank you to Ellisons Solicitors for sponsoring our captioned and signed performances of our production of “The Hunchback of Notre Dame”
Watch full trailer
2021
August & October 2021
COS presented an online concert: The Show Must Go On-Line
September 2021
CO2 presented Musical Hits Through Time at the Mercury Theatre
2020
2019
January & February 2019
COS presented Annie at the Mercury Theatre
2018
September 2018
CO2 presented The Wizard of Oz at the Mercury Theatre
June 2018
COS presented our summer concert 7 Deadly Sins at the Headgate Theatre
2017
October 2017
CO2 presented Little Shop of Horrors at the Mercury Theatre
June 2017
COS presented Seasons with Swing at the Headgate Theatre
And a charity gala performance at the Mercury Theatre in support of their Mercury Rising campaign
January 2017
COS presented Jekyll and Hyde at the Mercury Theatre
2016
September 2016
CO2 presented Carousel at the Mercury Theatre
2015
2014
22 January –
1 February 2014
COS present The Sound Of Music at the Mercury Theatre
2013
September 2013
CO2 presented West Side Story at the Mercury Theatre
2012
September 2012
CO2 presented Guys and Dolls at the Mercury Theatre
Click here to see the programmes of all the COS shows performed since our inception in 1925.
Click here for the programmes of shows CO2 have performed since they started in 1984.
You can also catch us performing at a few ‘by special arrangement’ engagements, including carol singing, musical revues and special fundraising events. Check this site regularly for updates on these events.
