On the island platform, there is one of the few surviving K8 telephone kiosks. Now used for the TfL internal system, the kiosk is Grade II listed[8]
Services
It is served by 'slow' (all stations) trains only (fast and semi-fast trains do not stop at stations between Wembley Park and Harrow-on-the-Hill). It takes an average time of 20 minutes from Baker Street.
The off-peak service in trains per hour (tph) is:[9]
2tph Northbound to Amersham (all stations)
2tph Northbound to Chesham (all stations)
8tph Northbound to Uxbridge (all stations)
4tph Northbound to Watford (all stations)
4tph Southbound to Baker Street (all stations)
12tph Southbound to Aldgate via Baker Street (all stations)
The peak time service in trains per hour (tph) is:[9]
2tph Northbound (morning peak only) to Amersham (all stations)
2tph Northbound (morning peak only) to Chesham (all stations)
10tph Northbound to Uxbridge (all stations)
4tph Southbound to Baker Street (all stations)
12tph Southbound to Aldgate via Baker Street (all stations)
Note that during evening peaks, services to Amersham or Chesham from Northwick Park or Preston Road require a change at Harrow-On-The-Hill.
During the morning peak (06:30 to 09:30), fast services from Amersham and Chesham run non-stop southbound only between Moor Park, Harrow-On-The-Hill and Finchley Road whilst semi-fast services from Watford and Uxbridge run non-stop southbound only between Harrow-On-The-Hill and Finchley Road. During the evening peak (16:30-19:30), fast and semi-fast services, which operate northbound only, call additionally at Wembley Park.[9]