| 10 April 2027 | Sub Brit Spring Meeting & AGM |
| 02-05 October 2026 | European Study Trip - Hamburg (TBC) |
| 19 August 2026 | Fort Widley (Cosham, Portsmouth) Members-only event, booking required via self-service |
| 03 August 2026 | Nothe Fort and Cold War Bunker, Weymouth |
| 29 July 2026 | Sub Pub - London - Waterloo Station @1730 Member booking is via self-service, non-members should book here |
| 05 July 2026 | Drakelow Shadow Factory and RSG |
| 04 July 2026 | Dudley Canal Tunnels and Mine Members-only event, booking required via self-service |
| 01 July 2026 | Fort Purbrook (Cosham, Portsmouth) Members-only event, booking required via self-service |
| 14 June 2026 | Sub Pub - Yorkshire - Lendal Cellars, York @ 1500 Member booking is via self-service, non-members should book here |
| 27 May 2026 | Sub Pub - London - Waterloo Station @ 1730 Member booking is via self-service, non-members should book here |
| 06-07 October 2026 | British Tunnelling Society Conference - London |
| 22-26 September 2026 | Hypogea 2026 - Tbilisi, Georgia |
| 18 July 2026-30 August 2026 | Cuckfield Royal Observer Corps - Open Days |
| 19-22 June 2026 | NAMHO Conference - Swaledale, Yorkshire |
