Fishergate Postern Tower will be open on Saturday 9th & 23rd March and then on Saturday 6th & 20th April. Open each date from 10am to 4pm. These dates are part of our 2019 season of Open Days, and as always it will be FREE entry. Do come along and see us, and have a chat. Explore this unique 500 year old building, now NEW for 2019 with its own electricity supply and improved lighting.