Information about our opening times, admission and facilities.

Opening Times

We have seasonal opening hours throughout the year:

26 October - 9 February 2020  Weekends & Bank Holidays 1 - 4pm

15 February - 18 October 2020  Weekends & Bank Holidays 2 - 5pm

We are open everyday during Hertfordshire School Holidays times as above except for December.

Closed throughout December

As the site is open for limited hours please phone or email Mill Green Museum for more details regarding the bath-house.



Children under 1650p

* Excluding any special event days.

Evening and group visits such as Schools, Cubs, Brownies, adult clubs and societies can easily be accommodated by appointment. Please email or phone to book first. We can open for your group or an evening visit by special arrangement - phone to discuss or email Mill Green Mill and Museum .


  • Car parking on site.
  • Visitor toilet facilities are available on site.
  • Picnic area.
  • Refreshments can be bought from nearby Welwyn Village.


Access for Everyone

We are committed to making our activities, premises and exhibitions accessible to everyone.

Car parking includes a disabled bay, entrance is approximately 200 metres from car park on a level path. 

All areas are fully accessible. Toilets have full access.  Access for Everyone  provides more details.