[1] These were held at various sites around London, mainly two government depots at Luton and Bishop's Stortford,[2] making both access, restoration and preservation difficult.

[10] From 1984 until 1990, the station briefly came back into passenger use, when special Christmas shopping services between Aylesbury and Bletchley were operated by British Rail Network SouthEast on Saturdays only, and stopped at Quainton Road.

With an extensively redeveloped site on both sides of the working mainline, BRC houses around 170 items of locomotives and rolling stock, in buildings dating from 1874 to the 1960s.

The adjacent World War II warehouses of the Ministry of Food Buffer Depot in the former downside yard have been taken over to display many items awaiting restoration, whilst the Society have added a members' reference library.

[7] High Speed 2's planned route passes immediately to the west of the site, not impacting the centre directly, although it will preclude any restoration of the Brill Tramway.