Thanks for posting this. Yes, you really must get yourself up to Preston.
I've been to six of the 11 pubs listed.
Whitelock's Ale House in Leeds (upgraded from Grade II to Grade II*)
The Prince Alfred in Maida Vale, London (upgraded to Grade II*)
Red Lion in Westminster, London (relisted at Grade II) - this is a very vague reference, but I assume it's this one:
https://pubheritage.camra.org.uk/pubs/59
Admiral Vernon in Dagenham, London (newly listed at Grade II)
The Victoria in Great Harwood, Lancashire (relisted at Grade II)
Black Horse in Preston, Lancashire (relisted at Grade II)