- Shipston on Stour
- Skegness
- Sleaford
- Smethwick
- Solihull
- Southam
- Southwell
- Spalding
- Spilsby
- Stafford
- Stamford
- Stoke on Trent
- Saltburn by the Sea
- Scarborough
- Stone
- Stourbridge
- Scunthorpe
- Scunthorpe
- Stourport on Severn
- Seaham
- Stratford upon Avon
- Seahouses
- Studley
- Selby
- Sutton Coldfield
- Sutton in Ashfield
- Settle
- Shildon
- Swadlincote
- Skipton
- South Shields
- Spennymoor
- Stanley
- Stocksfield
- Stockton on Tees
- Sunderland
- Sale
- Salford
- Sandbach
- Seascale
- Sedbergh
- Sheffield
- Shipley
- Skelmersdale
- Southport
- Sowerby Bridge
- St. Bees
- St. Helens
- Stalybridge
- Stockport
- Sandringham
- Saxmundham
- Sheringham
- Southwold
- St. Ives
- St. Neots
- Stowmarket
- Sudbury
- Swaffham
- Salcombe
- Salisbury
- Saltash
- Seaton
- Shaftesbury
- Shepton Mallet
- Sherborne
- Sidmouth
- Somerton
- South Brent
- South Molton
- South Petherton
- St. Agnes
- St. Austell
- St. Columb
- St. Ives
- Stoke sub Hamdon
- Stonehouse
- Street
- Stroud
- Sturminster Newton
- Swanage
- Swindon
- Saltcoats
- Sanquhar
- Selkirk
- Shotts
- Skelmorlie
- South Queensferry
- Spean Bridge
- St. Andrews
- Stevenston
- Stirling
- Stonehaven
- Stornoway
- Stranraer
- Strathaven
- Saffron Walden
- Strathcarron
- Sandhurst
- Strathdon
- Sandown
- Strathpeffer
- Sandwich
- Strome Ferry
- Sandy
- Stromness
- Sawbridgeworth
- Seaford
- Seaview
- Sevenoaks
- Shanklin
- Sheerness
- Shefford
- Shepperton
- Shoreham by Sea
- Sidcup
- Sittingbourne
- Slough
- Snodland
- South Croydon
- South Ockendon
- Southall
- Southampton
- Southend on Sea
- Southminster
- Southsea
- St. Albans
- St. Leonards on Sea
- Staines
- Stanford le Hope
- Stanmore
- Stansted
- Stevenage
- Steyning
- Stockbridge
- Sunbury on Thames
- Surbiton
- Sutton
- Swanley
- Swanscombe
- Saundersfoot
- Shifnal
- Shrewsbury
- St. Asaph
- Swansea
Cities