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 27 Jun Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 28 Jun Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 29 Jun Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 30 Jun Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 01 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 02 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 03 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Mo 04 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 05 Jul Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 06 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 07 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 08 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 09 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 10 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Mo 11 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 12 Jul Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 13 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 14 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 15 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 16 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 17 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Mo 18 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 19 Jul Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 20 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 21 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 22 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 23 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 24 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Mo 25 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Tu 26 Jul Colossus Galleries open 10.30am - 5pm, Guided Tour 2pm, full Museum groups by appointment only
We 27 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Th 28 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 29 Jul Colossus Galleries open 10.30am - 5pm, full Museum groups by appointment only
Sa 30 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm
Su 31 Jul Fully open 12 noon - 5pm, Colossus Galleries open 10.30am - 5pm