'Renting near work'
This option would support you to rent from the private market within daily travel distance of your duty station.
You would have greater freedom in choosing a home and would be able to live with whoever you want, as well as the choice to top up if you want the flexibility of spare rooms.
Which would simply mean that the 'private market' will simply increase the local market rate in certain areas, if not all of them, to whatever they can get.
As happened at Brize when Lyneham closed. A 2 bedroom semi in Soweto, sorry, in Carterton is now about £875 pcm...