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In this paper we investigate the existence and some useful properties of theL\'evy areas of Ornstein-Uhlenbeck processes associated to Hilbert-space-valuedfractional Brownian-motions with Hurst parameter $H\in (1/3,1/2]$. We provethat this stochastic area has a H\"older-continuous version with sufficientlylarge H\"older-exponent and that can be approximated by smooth areas. Inaddition, we prove the stationarity of this area.

L\'evy-areas of Ornstein-Uhlenbeck processes in Hilbert-spaces