Opening Times

The Colossus Galleries are open daily from 10.30am to 5pm. The full museum is open every Thursday, Saturday and Sunday afternoons from 12 noon to 5pm. There are Insight Guided Tours at 10.30am on Thursdays and 2pm on Tuesdays, see below for details. Booking required for Insight Guided Tours.
Every week day, the Museum accepts advanced bookings for educational group and/or corporate group visits.
If you are coming to TNMOC only, there is no need to pay the Bletchley Park Trust entrance fee.

Additional Opening Times

Thanks to the efforts of the TNMOC volunteers, the Museum may also be open at other times - watch for updates below.

TNMOC Opening Times over the next few weeks

Date What's Open
Mo 02 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Tu 03 May Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 04 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 05 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 06 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 07 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 08 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Mo 09 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 10 May Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 11 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 12 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 13 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 14 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 15 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Mo 16 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 17 May Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 18 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 19 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 20 May Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 21 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 22 May Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm