Sherlock Holmes Society of London: We meet inside the Visitor Centre, in the Pepys Building (Samuel Pepys played a vital role in developing the Royal Navy). There is a cafe here, but our destination is elsewhere (photo by Rakshita Patel)
Sherlock Holmes Society of London: We head to the Undercroft Cafe for tea, passing the crowded - and good-natured - Dog Show taking place in the Naval College Gardens (photo by Roger Johnson)
Sherlock Holmes Society of London: The handsome building ahead of us and to our left is King Charles Court, now part of the University of Greenwich (photo by Roger Johnson)
Sherlock Holmes Society of London: Our destination is the Undercroft Cafe, beneath the Painted Hall. The food, as Bonnie MacBird, Catherine Cooke and Jonathan Le Billon know, is fresh and delicious (photo by Stephen Wallace)
Sherlock Holmes Society of London: The photographer has distracted the attention of Priya Musu, Rakshita Patel, Judi Ellis, Nancy Browning, Mike Homer & Bob Ellis! (photo by Stephen Wallace)
Sherlock Holmes Society of London: It is a lucullan repast. The smiles of Roger Johnson, Elaine & Jonathan McCafferty, Yumiko Shigaki and Ritsuko Furuta say it all! (photo by Stephen Wallace)
Sherlock Holmes Society of London: The organisers have arranged a little quiz with an appropriately Holmesian Bee Pin Badge as a prize for the winners on each table (photo by Rakshita Patel)
Sherlock Holmes Society of London: Jonathan Le Billon is a professional actor who has been a fine Sherlock Holmes on occasion. He reads an appropriate passage from Dr Watson's records of the great detective (photo by Stephen Wallace)
Sherlock Holmes Society of London: Jonathan Le Billon's reading from the canon was gratifyingly well received! (photo by Roger Johnson)
Sherlock Holmes Society of London: With the inner Sherlockian satisfied, we return to the Pepys Building to meet our guides (photo by Roger Johnson)
Sherlock Holmes Society of London: Our guides are Isabel and Jackie, and they're prepared for the challenge of a specialist tour (photo by Roger Johnson)
Sherlock Holmes Society of London: Our guides are used to groups with specialist interests, one reason being that the Old Royal Naval College is in great demand as a film and TV location (photo by Stephen Wallace)
Sherlock Holmes Society of London: Pepys Walk takes us to King Charles Lawns and the Duck Fountain; beyond the fountain is King Charles Court, now occupied by Trinity Laban Conservatoire (photo by Roger Johnson)
Sherlock Holmes Society of London: Turning right, we come to College Way. Ahead and to our right are the Painted Hall and King William Court - the latter now mostly occupied by the University of Greenwich (photo by Roger Johnson)
Sherlock Holmes Society of London: At the top of the steps is the entrance to the magnificent Painted Hall; ahead is Queen Anne Court, now occupied by the University of Greenwich (photo by Roger Johnson)
Sherlock Holmes Society of London: The headquarters of the University of Greenwich are in Queen Anne Court, the building behind the attentive listeners (photo by Roger Johnson)
Sherlock Holmes Society of London: In the centre of the Lower Grand Square is a statue of King George II, looking across the river Thames. Beyond him is Queen Anne Court (photo by Rakshita Patel)
Sherlock Holmes Society of London: The steps lead to the Upper Grand Square. The magnificent building comprises the Chapel of St Peter & St Paul and Queen Mary Court (photo by Roger Johnson)
Sherlock Holmes Society of London: Between Queen Mary Court and King William Court, our eyes are drawn to the Queen's House - and on the hill behind, the Royal Observatory (photo by Rakshita Patel)
Sherlock Holmes Society of London: Back in the Lower Grand Square with King George II ahead of us and King Charles Court to our left, Isabel and Jackie tell us more about this fascinating place (photo by Roger Johnson)
Sherlock Holmes Society of London: Depicted in Roman costume, as was the custom, and looking unsurprisingly weatherbeaten, the statue of King George II keeps watch in the Lower Grand Square (photo by Rakshita Patel)
Sherlock Holmes Society of London: In the centre is the Water Gate, with Greenwich Palace Steps down to the Thames. Beyond is the Isle of Dogs (photo by Roger Johnson)
Sherlock Holmes Society of London: Inside Queen Anne Court, Isabel and Jackie relate something of the Royal Naval College's complex history - with pictures (photo by Roger Johnson)
Sherlock Holmes Society of London: Designed by Christopher Wren and Nicholas Hawksmoor in 1689, Queen Anne Court was completed sixty years later (photo by Roger Johnson)
Sherlock Holmes Society of London: Queen Anne Court, Queen Mary Court and King William Court were designed and built as a hospital - that is, a home - for retired seamen (photo by Roger Johnson)
Sherlock Holmes Society of London: At the end of College Way, the East Gate is the exit into Park Row (photo by Roger Johnson)
Sherlock Holmes Society of London: Back at the Lower Grand Square, we see on the opposite bank the dome that marks the north entrance to the Greenwich Foot Tunnel (photo by Roger Johnson)
Sherlock Holmes Society of London: Crossing College Way, we prepare to enter the Chapel of St Peter & St Paul (photo by Stephen Wallace)
Sherlock Holmes Society of London: In the vestibule of the Chapel is this memorial to Sir John Franklin, and his doomed expedition to find the fabled North-West Passage from the Atlantic to the Pacific (photo by Roger Johnson)
Sherlock Holmes Society of London: Originally designed by Sir Christopher Wren, the Chapel of St Peter and St Paul suffered a devastating fire, and was rebuilt in 1779 by James ‘Athenian’ Stuart (photo by Stephen Wallace)