 Hainault's original structure, prior to rebuilding due to the addition of Hainault Depot, was very similar to that at Fairlop.Roding Valley had rather basic buildings on opening, with a wooden shelter on the Woodford-bound side, replaced by more substantial structures when transferred to the Central line.Notable architects included Oliver Hill for Newbury Park bus station and W. N. Ashbee for the original six stations from Chigwell to Newbury Park (though the Listing authorities credit William Burgess for Barkingside, possibly erroneously).