This cottage in Parkend is, I believe, known these days as 'The Nook'. Certainly this is the name given to it by John Stretton in 'The Dean Forest Railway, a Past & Present Companion', Volume 2 (Silver Link Publishing).
This cottage, plus the house to it's left (the former Police House and Police Station for Parkend and currently known as 'Hazledene') are very close to the end of the Marsh branch at Parkend, which is the subject of Re6/6's current P4 project -
Howeve