Egg you've confused me with your dates
However, there's a Damien Hurst exhibition at Houghton Hall, Kings Lynn, from the end of March until July
Plus, now don't get too excited, the Happisburg Lighthouse is open to the public on 2 April! I remember you liked it there.
Failing that, maybe you can persuade a few people to join you in Norfolk for a couple of days before the meet.