Unfortunately in order to qualify for the tier benefits the booking must an eligible night. Put simply in the stay
must accrue points. In order to accrue points you need to book direct with Accor or using the GDS system.
Source below is Accor T&C’s
8. BENEFITS AND SERVICES OFFERED TO MEMBERS
In addition to receiving Points, Members with a status of Silver higher are offered certain benefits associated with their Membership Status level. Only the cardholder Member is entitled to the benefits associated with the loyalty card. These benefits are offered on the condition that the Member’s stay is eligible for earning Points.
Eligible night: A night spent by a Member at a hotel participating in the Programme. Eligible nights are accumulated to determine programme status levels according to the schedule set forth in Article 7.6. Only nights spent by a Member at the hotel as part of a stay booked via one of the
distribution channels eligible for earning Points, as identified in Article 7.1 below, are eligible
7.1. Reservation Channels eligible for points
Only stays booked at eligible rates via AccorHotels distribution channels (AccorHotels Internet sites, AccorHotels reservation centre, hotels) and traditional travel agencies using a GDS
(Global Distribution System) connected automatically to the AccorHotels reservation centre, entitle the Member to earn Points. Eligible stays therefore do not include: stays booked via a reseller, tour operator or third-party on-line travel agent (such as Expedia.com, Booking.com, etc.). These stays do not enable the Member to earn Points, nor accumulate Eligible Nights to obtain a status.
Any Accor Plus Platinum experts in the house?
One benefit of Plat is comp access to Exec Lounges right? Anybody with anecdotal exp as to access eligibility of booking made through 3rd party? Pls no responses like I think no - exps only pls.
Also are there any guest privileges for Plat Members? Like if you make a booking for multiple rooms what is chance non Accor Plus Member guests in other rooms you book gaining access to Exec Lounge with you?