• Aberdeen City (Scotland)
  No SLS
• Aberdeenshire (Scotland)
  No SLS
• Anglesey (Wales)
• Angus (Scotland)
  No SLS
• Argyll and Bute (Scotland)
  No SLS
• Barking and Dagenham (London)
• Barnet (London)
• Barnsley
  No SLS
• Bath & North East Somerset
• Bedfordshire
• Berkshire
• Bexley
   No SLS
• Birmingham

    No SLS

• Blackburn with Darwen
• Blackpool
  No SLS
• Blaenau Gwent (Wales)
• Bolton
• Bournemouth
• Bracknell Forest
• Bradford
• Brent (London)
  No SLS
• Bridgend (Wales)
  No SLS
• Brighton & Hove
  No SLS
• Bristol
• Bromley (London)
  No SLS
• Buckinghamshire
• Bury
• Caerphilly (Wales)
• Calderdale
• Cambridgeshire
  No SLS
• Camden (London)
• Cardiff (Wales)
  No SLS
• Carmarthenshire (Wales)
  

  No SLS website

• Ceredigion (Wales)
• Cheshire (East)
• Cheshire (West)
• Clackmannanshire (Scotland)
  No SLS
• Conwy (Wales)
• Cornwall
• Coventry
• Croydon
  No SLS
• Cumbria
• Darlington
  No SLS details found
• Denbighshire (Wales)
• Derby City
• Derbyshire
• Devon
• Doncaster
• Dorset
• Dudley
• Dumfries and Galloway (Scotland)
• Dundee (Scotland)
• Durham
• Ealing (London)
• East Ayrshire (Scotland)
• East Dunbartonshire (Scotland)
• East Lothian (Scotland)
• East Renfrewshire (Scotland)
  No SLS details found
• East Riding of Yorkshire
• East Sussex
• Edinburgh (Scotland)
  No SLS
• Enfield (London)
• Essex
• Falkirk
• Falkirk (Scotland)
• Fife (Scotland)
  No SLS
• Flintshire (Wales)
• Gateshead
• Glasgow (Scotland)
  No SLS
• Gloucestershire
• Greenwich (London)
  SLS temporarily suspended
• Guernsey
• Gwynedd (Wales)
• Hackney (London)
  

  see Islington or Tower Hamlets

• Halton (Service supplied by Cheshire)
  
• Hammersmith and Fulham (London)
  No SLS
• Hampshire
• Haringey (London)
• Harrow (London)
• Hartlepool - no SLS

• Havering (London)
• Herefordshire
• Hertfordshire
• Highland (Scotland)
• Hillingdon (London)
• Hounslow (London)
• Hull
• Inverclyde (Scotland)
  No SLS
• Isle of Man
  No SLS
• Isle of Wight
• Islington (London)
• Jersey
  No SLS
• Kensington and Chelsea (London)
• Kent
  

  see East Sussex

• Kingston upon Hull
• Kingston upon Thames (London)
  No SLS details found
• Kirklees
• Knowsley
• Lambeth (London)
  No SLS
• Lancashire
• Leeds
• Leicester City
• Leicestershire
• Lewisham (London)
  No SLS
• Lincolnshire
• Liverpool
  No SLS details found
• London
  See: London boroughs listed individually
• Luton
• Manchester
  No SLS
• Medway
  No SLS
• Merthyr Tydfil (Wales)
  No SLS
• Merton (London)
• Middlesbrough - No SLS

• Midlothian (Scotland)
• Milton Keynes
• Monmouthshire (Wales)
• Moray (Scotland)
  No SLS details found
• Neath Port Talbot (Wales)
  No SLS
• Newcastle upon Tyne
  No SLS
• Newham (London)
  No SLS details found
• Newport (Wales)
• Norfolk
• North Ayrshire (Scotland)
• North East Lincolnshire
  North Lanarkshire (Scotland)
• North Lincolnshire
• North Somerset
  North Tyneside
  No SLS details found
• North Yorkshire
• Northamptonshire
• Northern Ireland - BELB
• Northern Ireland - NEELB
• Northern Ireland - SEELB
• Northern Ireland - SELB
• Northern Ireland - WELB
• Northumberland
• Nottingham City
• Nottinghamshire
• Oldham
  No SLS
• Orkney Islands (Scotland)
• Oxfordshire
  No SLS
• Pembrokeshire (Wales)
• Perth and Kinross (Scotland)
  No SLS details found
• Peterborough
  No SLS
• Plymouth
• Poole
• Portsmouth
• Powys (Wales)
• Reading
• Redbridge (London)
• Redcar & Cleveland - No SLS

• Renfrewshire (Scotland)
  No SLS
• Rhondda Cynon Taff (Wales)
• Richmond upon Thames (London)
• Rochdale
  No SLS
• Rotherham
• Salford
• Sandwell
• Scottish Borders (Scotland)
• Sefton
  No SLS
• Sheffield
• Shetland Islands (Scotland)
• Shropshire
• Slough
• Solihull
• Somerset
• South Ayrshire (Scotland)
  No SLS
• South Gloucestershire
• South Lanarkshire (Scotland)
  No SLS details found
• South Tyneside
  No SLS
• Southampton
• Southend-on-Sea
• Southwark (London)
  No SLS
• St Helens
• Staffordshire
• Stirling (Scotland)
  No SLS
• Stockport
• Stockton - No SLS

• Stoke On Trent
  No SLS
• Suffolk
• Sunderland
  No SLS details found
• Surrey
  No SLS
• Sutton (London)
  No SLS details found
• Swansea (Wales)
  No SLS
• Swindon
• Sunderland
• Tameside
• Telford and Wrekin
• Thurrock
  No SLS
• Torbay
• Torfaen (Wales)
• Tower Hamlets (London)
• Trafford
  No SLS
• Vale of Glamorgan (Wales)
  No SLS
• Wakefield
• Walsall
• Waltham Forest (London)
  No SLS details found
• Wandsworth (London)
• Warrington (Service supplied by Cheshire)
  
• Warwickshire
• West Berkshire
• West Dunbartonshire (Scotland)
  No SLS
• West Lothian (Scotland)
  No SLS
• West Sussex
• Western Isles (Scotland)
• Westminster (London)
• Wigan
• Wiltshire
• Windsor and Maidenhead
• Wirral
• Wokingham
• Wolverhampton
• Worcestershire
• Wrexham (Wales)
• York City (service supplied by North Yorkshire)