The Accommodation allowance was raised to CZK 760/a month while it is possible to apply for it until March 31 via an e-form available at http://portal.upol.cz.
The detailed instructions are available here (only in Czech) https://www.upol.cz/studenti/studium/stipendia/#c44 under a bookmark ubytovací stipendium.
The unabridged version of the new internal norm is available here.