New update (update number 2) now allows LCY rebooking as well as LHR and LCY.
If the Contact Centre can't see LCY in their guidance, get them to check there are on this second update. My comments in the first Guidelines still apply (one change etc):
https://www.flyertalk.com/forum/29459811-post79.html
Advice for British Airways-125 ticketed customers whose BA, AA, IB or AY flight is still OPERATING.
Rebook onto..
British Airways
Airports affected
LCY – London City
LGW – London Gatwick
LHR – London Heathrow
These customer guidelines apply to customers on Shorthaul flights only
Tickets issued by
27 February 2018
Ticket travel dates
28 February 2018 – 02 March 2018
New travel dates
Up to and including 21 March 2018
Rebooking Allowance
Rebook into the
sameclass as the original flight or
lowest available in the same cabin
Origin/Destination/Stopover changes
No
Refunds Allowed
No
Redemptions included
Yes
Available for Trade
Yes
Important Info- Must add Waiver code into booking as OS BA DWVR-1800
- one involuntary ticket change allowed