Via The Two-Seat-Seat Spitfire Page on Facebook.
The BIG update! I realized that I haven't done the complete list of two-seat Spitfires for a while and so here it is:
Airworthy
1. MT818 Airworthy operated by Biggin Hill Heritage Hangar
2. MJ627 Airworthy operated by Biggin Hill Heritage Hangar
3. MJ772 Airworthy now lives at the Royal Netherlands Historic Flight foundation
4. ML407 Airworthy operated by Ultimate Warbird Flights
5. PV202 Airworthy operated by Aerial Collective
6. TE308 Airworthy operated by Biggin Hill Heritage Hangar
7. PT462 Airworthy operated by Aerial Collective
8. MH367 Airworthy operated by Warbird Adventure Rides Ltd
9. SM520 Airworthy operated by Spitfires.com
10. NH341 Airworthy operated by Aero Legends
Non airworthy
11. ML295 Being restored at Biggin Hill Heritage Hangar
12. EN570 Being restored for Norwegian Flying Aces
13. BS410 Owned by Martin Philips
14. No14 ID witheld being restored Biggin Hill Heritage Hangar
15. BS548 Being restored by Airframe Assemblies Ltd for Ross Pay
16. MJ444 Being restored for Aero Legends
17. TE566 Being restored by Airframe Assemblies Ltd for Enstone
18. MJ518 Indian Air Force heritage flight
19. Unknown project for unknown owner!!