| WARWICKCASTLE | Major fortification on the river Avon originally built by Henry de Newburgh (7,6) |
| ALLOATOWER | National Trust fortification on the River Forth (5,5) |
| ORGAN | Built by Henry Willis for the Royal Albert Hall, it has been described as the "Voice of Jupiter" (5) |
| STJAMESS | Royal palace built by Henry VIII between 1531-1536 (2,6) |
| COMET | Steamboat built by Henry Bell in 1812 |
| TOWEROFLONDON | Fortification on the bank of the River Thames featuring Yeoman Warders (5,2,6) |
| THEBLUELAGOON | 1908 novel by Henry de Vere Stacpoole (3,4,6) |
| WARWICK | Town in central England on the River Avon; location of a medieval castle originally built by William the Conqueror during 1068 (7) |
| BOUNCYCASTLES | Inflatable equipment, stylised as fortifications, on which children can jump and play (6,7) |
| WALMER | ___ Castle, fortification on the Kent coast; former residence of the Lord Warden of the Cinque Ports (6) |
| EVESHAM | Town in Worcestershire, on the River Avon, that was the scene of a 1265 battle in which Lord Edward defeated Simon de Montfort and the barons |
| LAGOON | 1908 novel by Henry De Vere Stacpoole, The Blue _ (6) |
| CORFECASTLE | Ruined medieval fortification on the Isle of Purbeck, Dorset |
| BATH | Founded by the Romans as Aquae Sulis, spa city on the river Avon whose residents have included Beau Nash and Jane Austen (4) |
| UBE | On the south-west coast of Honshu, which Japanese town contains the Sorinji Temple. originally built by lko, a Buddhist priest from ancient China? (3) |
| RINGWOOD | Hampshire market town on the River Avon close to the New Forest (8) |
| THEBLUE | 1908 novel by Henry De Vere Stacpoole (3,4,6) (see 9A) |
| STANSTED | London airfield that was originally built by and for the US forces in the Second World War (8) |
| BRISTOL | City on the river Avon noted for its handmade blue glass (7) |
| TWYNING | Village on the River Avon near Tewkesbury in Gloucestershire |
