Leuven offers a good mix of charming B&B's and quality hotels.

Have a look here, for an overview of all accommodation Leuven has to offer

Alternative hotel accommodation can be booked via the Tourism Leuven website: https://www.visitleuven.be/
or www.booking.com.

This url gives you an idea of hotels in the Leuven region : https://bit.ly/2Fx3Qhi

For the Brussels region (25km from conference venue but close to airport and TGV trains station), you will have a list of hotels here

Please book your accommodation in time, as Leuven can be very busy in September and hotel availability is limited.