Thinking along these lines (dates subject to change):
Fly out on Friday May 21 morning flight to Heathrow.
May 21, 22, 23, 24 London 4 nights London at same hotel K, T and I used royal National or one of their others in the chain http://www.imperialhotels.co.uk/
K and B will be coming with us!
May 25/26 go to Birmingham overnight with Tanya. Have breakfast on this canal barge.
Visit Nottingham and Sherwood Forrest on May 26.