Originally Posted by
david870mdg
mmm, hate to play devils advocate, but I had a few 3K flights in the morning earlier this year, only to find a nice sign at the QF lounge saying "open 1900, F loung available from 1700".
If you have OW emerald status, the F lounge has longer opening hours.
Maybe the CX lounge ?? could be another option

David
david870 - this is confusing (not saying your experience was wrong

)as the Qantas website (lounge locations) advises the QF lounges in SIN are open from 0630 until 2230 daily.
Our advice to the original poster is that he won't be able to access the lounge on the basis of OW membership if using a 3K flight. So the CX lounge will be out.
However - access should be granted under the BA Gold card 'open doors policy' which is similar to the QF plat benefit that allows access even when not flying QF or oneworld that day.
Access will only be to the J class lounge under the open door policy.
The real issue is whether the liunge in SIN is considered a BA lounge for the purposes of the gold card policy. The QF site says it is a jointly owned lounge. The BA site says it is a Qantas lounge. However BA has not designated the lounge a 'third party' lounge.
So there is some thought that access will be allowed.
Regards
lme ff