• Seven Sisters, Neath Port Talbot • Shadwell, City and Borough of Leeds • Sharlston, City and Borough of Wakefield • Sharnbrook, Bedford • Shawbury, Shropshire • Sheffield, Sheffield • Shillington, Central Bedfordshire • Shrewsbury, Shropshire • Silsoe, Central Bedfordshire • Skelton, City of York • Slough, Slough • Solihull, Solihull • South Bank, Redcar and Cleveland • South Cave, East Riding of Yorkshire • South Elmsall, City and Borough of Wakefield • South Shields, South Tyneside • Southampton, Southampton • Southend-on-Sea, Southend-on-Sea • Southport, Sefton • Southwick, Wiltshire • St Helens, St. Helens • Stafford, Staffordshire • Staindrop, County Durham • Stainforth, Doncaster • Stamford Bridge, East Riding of Yorkshire • Stanbridge, Central Bedfordshire • Stewartby, Bedford • Stirling, Stirling • Stockport, Borough of Stockport • Stockton Heath, Warrington • Stockton-on-Tees, Stockton-on-Tees • Stoke-on-Trent, Stoke-on-Trent • Stornoway, Eilean Siar • Stotfold, Central Bedfordshire • Stourport-on-Severn, Worcestershire • Strabane, Derry City and Strabane • Stratfield Mortimer, West Berkshire • Stretford, Trafford • Sunderland, Sunderland • Sutton, Greater London • Swansea, City and County of Swansea • Swindon, Borough of Swindon • Taunton, Somerset • Telford, Telford and Wrekin • Tenby, Pembrokeshire • Thirsk, North Yorkshire • Thornbury, South Gloucestershire • Thorner, City and Borough of Leeds • Thorney, Peterborough • Thornley, County Durham • Thorp Arch, City and Borough of Leeds