Gilbert-Scott, the architect of Battersea Power Station designed the K2 telephone box in 1924 for a competition, but his second design, the K3 was made from reinforced concrete at half the price of the cast-iron K2. This has now been repainted in its original colours
The Keepers' Lodge, built in 1903, is a divided block of staff housing. The east section consists of a house designed for a head keeper. The west section consists of lodgings (eight small bedrooms, a common room, bathroom and kitchen) intended for resident helpers.
