Collated by MiddleEnglander
There are 16 by-elections called in August, 8 being in Scotland, together along with 5 already in September including a "double" election and another 2 in October. In addition there are a further 16 known and impending vacancies, 12 in England and 4 in Scotland. Currently 21 of the total 73 contests and vacancies occuring since the general election are as a result of the resignations of the sitting councillors as they are now MPs.
6th August - 5
Glasgow UA, Anderston / City - SNP resigned (now MP for West Dunbartonshire) - 7 candidates: Con, Lab, LD, SNP, UKIP, Green, Libertarian
Glasgow UA, Calton - SNP resigned (now MP for Glasgow Central) - 7 candidates: Con, Lab, LD, SNP, UKIP, Green, No Description
Glasgow UA, Craigton - SNP resigned - 6 candidates: Con, Lab, LD, SNP, UKIP, Green
Glasgow UA, Langside - Green resigned - 7 candidates: Con, Lab, LD, SNP, UKIP, Green, TUSC
South Lanarkshire UA, Hamilton South - SNP resigned (now MP for Lanark & Hamilton East) - 8 candidates: Con, Lab, LD, SNP, UKIP, Green, Pirate, Christian
13th August - 6
Caerphilly UA, Crosskeys - Labour resigned - 3 candidates: Lab, Plaid Cymru, UKIP
Exeter BC, Pinhoe - Labour resigned - 6 candidates: Con, Lab, LD, UKIP, Green, Ind
Falkirk UA, Denney & Banknock - SNP resigned (now MP for Falkirk) - 4 candidates: Con, Lab, SNP, Green
North Lanarkshire UA, Wishaw - SNP resigned (now MP for Motherwell & Wishaw) - 6 candidates: Con, Lab, LD, SNP, UKIP, Socialist
Powys UA, Glasbury - Conservative resigned (now MP for Brecon & Radnorshire) - 4 candidates: Con, LD, Green, Ind
Warwickshire CC, Nuneaton Whitestone - Conservative resigned - 4 candidates: Con, Lab, UKIP, Green
18th August - 1
Orkney UA, West Mainland - No Description died - 3 candidates: Green, Ind, Orkney Manifesto
20th August - 3
Cornwall UA, Camborne Pendarves - UKIP resigned - 7 candidates: Con, Lab, LD, UKIP, Green, Mebyon Kernow, Ind
Durham UA, Shotton & South Hetton - Labour died - 6 candidates: Con, Lab, LD, UKIP, Green, North East
West Oxfordshire DC, Witney North - Conservative sitting as Independent resigned - 5 candidates: Con, Lab, LD, UKIP, Green
27th August - 1
Barnsley MB, Dearne North - Labour died
3rd September - 1
Caerphilly UA, Bedwas, Trethomas & Machen - Labour died
10th September - 3 for 4 seats
Edinburgh UA, Leith Walk - SNP resigned (now MP for Edinburgh North & Leith) and Green resigned
Midlothian UA, Midlothian West - SNP resigned (now MP for Midlothian)
Sandwell MB, Blackheath - Labour died
17th September - 1
South Ayrshire UA, Ayr East - SNP resigned (now MP for Ayr Carrick & Cumnock)
1st October - 1
East Ayrshire UA, Irvine Valley - SNP resigned (now MP for Kilmarnock & Loudoun)
8th October - 1
Highland UA, Aird & Loch Ness - SNP resigned (now MP for Inverness, Nairn, Badenoch & Strathspey
Known vacancies in England - 12
Derbyshire CC, Derwent Valley - Conservative died 5th May
Haringey LB, Noel Park - Labour resigned around 21st July
Haringey LB, Woodside - Labour died 16th July
Maidstone BC, Fant - Conservative died 13th July
Norfolk CC, Loddon - Conservative died 23rd June
Peterborough UA, West - Conservative resigned around 10th April
South Norfolk DC, Chedgrave & Thurton - Conservative died 23rd June
South Oxfordshire DC, Sandford & The Wittenhams - Conservative resigned 28th July
Tunbridge Wells BC, Southborough North - Conservative died 29th May
Westminster LB, Bryanston & Dorset Square - Conservative died around 12th July
Woking BC, Goldsworth East - Liberal Democrat to resign on 18th August
Woking BC, Goldsworth West - Liberal Democrat to resign on 18th August
Known vacancies in Scotland - 4
Aberdeen UA, George Street / Harbour - SNP resigned around 26th July
Aberdeen UA, Midstocket / Rosemount - Conservative sitting as Non Aligned resigned 30th July
Fife UA, Glenrothes West & Kinglassie - SNP resigned July 3rd as now MP for Glenrothes
Moray UA, Heldon & Lauch - Independent impending resignation