S
- Salfords (Surrey)
- Sanderstead
- Selhurst
- Sevenoaks
- Sidcup
- Sittingbourne
- Slade Green
- Slough
- South Bermondsey
- South Croydon
- Southampton Central
- St Albans City
- St Johns (London)
- Staplehurst
- Stevenage
- Stone Crossing
- Streatham (Greater London)
- Streatham Common
- Streatham Hill
- Strood (Kent)
- Sutton (Surrey)
- Swanscombe
- Sydenham (London)