I found this adjacent to Papworth Trust/Papworth Pubishing following that explore.
I believe this small house was part of the Papworth Trust and was potentially used for offices/meeting rooms. It was very well lit in some places with large skylights, but rather dimly lit elsewhere.
Given new builds in the vicinity the whole place was surrounded by new 6 foot fencing to keep it less of an eye-sore. The site is now up for sale.
The inside view of the front door, which lead through...