The UK's least-served** railway* stations * Network Rail stations, not heritage services
** based on number of scheduled departures (here's a map)
1 train a week
» Reddish South/Denton (Greater Manchester) - at 09:27/09:32, from Stockport to Stalybridge, Friday only [video]
» Teesside Airport (County Durham) - at 14:56, from Hartlepool to Darlington, Sunday only [video](reduced last month from two trains a week to one, allowing the eastbound platform to be permanently closed)
» Bordesley (Birmingham) - at 13:36, from Whitlocks End to Great Malvern, Saturday only [video](unless Birmingham City are playing at home, in which case up to 18 trains call before and after the match, so this doesn't really deserve to be up here)
2 trains a week
» Pilning (Gloucestershire) - at 08:34 & 15:34, from Cardiff Central to Taunton, Saturday only [video](removal of the station's footbridge prevents westbound trains from stopping)
4 trains a week(summer only)
» Okehampton (Devon) - four trains to Exeter, Sunday only [video](mid-May to mid-September only)
6 trains a week
» Polesworth (Warwickshire) - at 07:23, from Northampton to Crewe, daily except Sunday [video]
» Heysham Port (Lancashire) - at 13:17, to Leeds, daily except Sunday [video](two extra trains run on Sundays from mid-May to mid-September)
» Gainsborough Central/Kirton Lindsey/Brigg (Lincolnshire) - three trains each way, between Sheffield and Cleethorpes, Saturday only [video]
7 trains a week
» Shippea Hill (Cambridgeshire) - at 07:28 each weekday, from Cambridge to Norwich, plus two trains on Saturday [video](formerly Britain's least used station)
8 trains a week(summer only)
» Buckenham (Norfolk) - one train each way on Saturdays, between Norwich and Lowestoft, plus three each way on Sunday (plus one extra train each way, mid-May to mid-September)
» Sampford Courtenay (Devon) - four trains each way between Okehampton and Exeter, Sunday only [video](mid-May to mid-September only)
9 trains a week
» Lakenheath (Suffolk) - one train each way on Saturdays, between Norwich and Cambridge, plus seven trains on Sunday
10 trains a week
» Combe/Finstock/Ascott-under-Wychwood (Oxfordshire) - one train just before 08:00 (east) and another just before 18:00 (west), between Worcester and London Paddington, Monday-Friday [video]
11 trains a week
» British Steel Redcar (Redcar and Cleveland) - the 08:03 from Bishop Auckland to Saltburn (Monday-Friday), and the 16:46 from Saltburn to Bishop Auckland (Monday-Saturday) (most of the adjacent steelworks closed in 2015)
12 trains a week
» Chathill (Northumberland) - one train around 07:00 to Newcastle, and another around 19:00 to Hexham, Monday-Saturday [video]
» Clifton (Greater Manchester) - the 07:06 from Bolton to Manchester, and the 18:21 from Manchester to Wigan, Monday-Saturday [video]
» Elton & Orston (Nottinghamshire) - the 06:25 from Grantham to Nottingham, and the 17:10 from Nottingham to Skegness, Monday-Saturday
» Breich (West Lothian) - the 08:05 (east) and the 18:38 (west), between Glasgow and Edinburgh, Monday-Saturday [video](station recently reprieved from closure)
» Balmossie/Barry Links/Golf Street (Angus) - one train just after 06:00 (south) and another just after 19:00 (north), between Glasgow and Carnoustie, Monday-Saturday [video](Barry Links is currently Britain's least used station)
No fixed timetable(but trains do sometimes stop)
» Manchester United Football Ground (Greater Manchester) - three trains in and three trains out, matchdays only [video]
» Smallbrook Junction (Isle of Wight) - operates only when the Isle of Wight Steam Railway is open [video](closed through the winter)
No trains in winter(but several in summer)
» Falls of Cruachan (Argyll and Bute) - trains stop from late March to end October
» Dunrobin Castle (Highland) - trains stop from late March to end October [video]
No trains a week (but still technically open)
» Barlaston/Wedgwood (Staffordshire) - no trains since 2004 (one of the two stations may reopen, maybe, perhaps)
» Newhaven Marine (East Sussex) - no passenger trains since August 2006 [video](station buildings demolished May 2017)