BOUNDARY CHANGE SIMULATION
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ABCDEFGH
1
ConstituencyAreaPredecessorOther main componentPolitical compositionCommentNew seatsSeats changing party
2
BedfordBedfordshireBedfordMarginal ConservativeA little more Con than existing seatN
3
North West BedfordshireBedfordshireMid BedfordshireNorth East BedfordshireSafe ConservativeN
4
South West BedfordshireBedfordshireSouth West BedfordshireMid BedfordshireSafe ConservativeN
5
Luton NorthBedfordshireLuton NorthSouth West BedfordshireMarginal LabourLabour majority much reducedN
6
Luton SouthBedfordshireLuton SouthMarginal LabourN
7
East Bedfordshire & St NeotsBedfordshireNorth East BedfordshireHuntingdonSafe ConservativeN
8
CambridgeCambridgeshireCambridgeMarginal Lib DemN
9
Cambridgeshire North EastCambridgeshireCambridgeshire North EastSafe ConservativeN
10
Cambridgeshire North WestCambridgeshireCambridgeshire North WestSafe ConservativeN
11
Cambridgeshire SouthCambridgeshireCambridgeshire SouthCambridgeshire South EastSafe ConservativeN
12
Cambridgeshire South EastCambridgeshireCambridgeshire South EastCambridgeshire North EastSafe ConservativeN
13
HuntingdonCambridgeshireHuntingdonSafe ConservativeN
14
PeterboroughCambridgeshirePeterboroughMarginal ConservativeA little more Con than existing seatN
15
Basildon East & BenfleetEssexBasildon & BillericayCastle Point, South Basildon & East ThurrockSemi-safe ConservativeN
16
Basildon West & East ThurrockEssexSouth Basildon & East ThurrockBasildon & BillericayMarginal ConservativeA little more Lab than existing seatN
17
BraintreeEssexBraintreeWithamSemi-safe ConservativeMore Lab than existing seatN
18
Brentwood & BillericayEssexBrentwood & OngarBasildon & BillericaySafe ConservativeN
19
ChelmsfordEssexChelmsford--Marginal ConservativeN
20
ColchesterEssexColchesterMarginal Lib DemN
21
Epping ForestEssexEpping ForestSafe ConservativeN
22
Harlow & OngarEssexHarlowBrentwood & OngarMarginal ConservativeMore Con than existing seatN
23
HarwichEssexClactonHarwich & North EssexSemi-safe ConservativeMore Lab than existing seatN
24
MaldonEssexWithamMaldon, Harwich & North EssexSafe ConservativeN
25
Rochford & ShoeburyEssexRayleigh & WickfordRochford & Southend EastSafe ConservativeN
26
Saffron WaldenEssexSaffron WaldenBraintreeSafe ConservativeN
27
Southend CentralEssexRochford & Southend EastSouthend WestSafe ConservativeN
28
Southend West & CanveyEssexSouthend WestCastle PointSafe ConservativeN
29
ThurrockEssexThurrockMarginal ConservativeSlightly more Con than existing seatN
30
Wickford & BurnhamEssexMaldonRayleigh & WickfordSafe ConservativeN
31
Stour ValleyEssexSouth SuffolkHarwich & North EssexSafe ConservativeN
32
BroxbourneHertfordshireBroxbourneSafe ConservativeN
33
HarpendenHertfordshireHitchin & HarpendenSt AlbansSafe ConservativeN
34
Hemel HempsteadHertfordshireHemel HempsteadWatfordSemi-safe ConservativeN
35
Hertford & WelwynHertfordshireHertford & StortfordWelwyn HatfieldSafe ConservativeN
36
North HertfordshireHertfordshireNorth East HertfordshireHitchin & HarpendenSemi-safe ConservativeN
37
South West HertfordshireHertfordshireSouth West HertfordshireSafe ConservativeN
38
HertsmereHertfordshireHertsmereSafe ConservativeN
39
St Albans & HatfieldHertfordshireSt AlbansWelwyn HatfieldMarginal ConservativeLess LD than current seatN
40
StevenageHertfordshireStevenageMarginal ConservativeSlightly more Con than existing seatN
41
WatfordHertfordshireWatfordMarginal ConservativeN
42
Stortford & StanstedHertfordshireHertford & StortfordSaffron Walden, North East HertfordshireSafe ConservativeY
43
BroadlandNorfolkNorwich NorthBroadlandSemi-safe ConservativeGreatly more Con than existing Norwich NorthN
44
Great YarmouthNorfolkGreat YarmouthMarginal ConservativeSlightly more Con than existing seatN
45
Mid NorfolkNorfolkMid NorfolkBroadlandSafe ConservativeN
46
North NorfolkNorfolkNorth NorfolkSafe Lib DemN
47
North West NorfolkNorfolkNorth West NorfolkSemi-safe ConservativeN
48
South West NorfolkNorfolkSouth West NorfolkSafe ConservativeN
49
City of NorwichNorfolkNorwich SouthNorwich NorthMarginal LabourFlipped from LD to LabourNLib Dem to Lab
50
WymondhamNorfolkSouth NorfolkMid Norfolk, Norwich SouthSemi-safe ConservativeN
51
Bury St Edmunds & SudburySuffolkBury St EdmundsSouth SuffolkSafe ConservativeN
52
IpswichSuffolkIpswich--Marginal ConservativeN
53
Suffolk CoastalSuffolkSuffolk CoastalSafe ConservativeN
54
West SuffolkSuffolkWest SuffolkSafe ConservativeN
55
Stowmarket & Ipswich NorthSuffolkSuffolk Central & Ipswich NorthBury St EdmundsSemi-safe ConservativeN
56
WaveneySuffolkWaveney--Marginal ConservativeN
57
Eye & DissSuffolkSouth NorfolkSuffolk Central & Ipswich NorthSafe ConservativeY
58
Amber ValleyDerbyshireAmber ValleyBolsoverMarginal LabourFlipped from Con to LabNCon to Lab
59
ChesterfieldDerbyshireChesterfieldMarginal Labour (LD)N
60
Derby NorthDerbyshireDerby NorthMid Derbyshire?N
61
Derby SouthDerbyshireDerby SouthSemi-safe LabourN
62
North East DerbyshireDerbyshireNorth East DerbyshireSafe LabourN
63
South West DerbyshireDerbyshireSouth DerbyshireDerby North, Mid DerbyshireSemi-safe ConservativeGreatly more Con than S DerbyshireN
64
ErewashDerbyshireErewashMarginal ConservativeMore Con than current seatN
65
High PeakDerbyshireHigh PeakMarginal ConservativeSlightly more Con than current seatN
66
Matlock & BelperDerbyshireDerbyshire DalesMid DerbyshireSafe ConservativeN
67
Bolsover & OllertonDerbyshireBolsoverSherwoodSafe LabourN
68
BosworthLeicestershireBosworthSemi-safe Conservative (LD)N
69
BlabyLeicestershireSouth LeicestershireCharnwoodSafe ConservativeN
70
CharnwoodLeicestershireCharnwoodLoughboroughSafe ConservativeN
71
Leicester EastLeicestershireLeicester East--Safe LabourN
72
Leicester SouthLeicestershireLeicester South--Semi-safe LabourN
73
Leicester WestLeicestershireLeicester WestSouth LeicestershireSemi-safe LabourN
74
South East LeicestershireLeicestershireHarboroughSemi-safe Conservative (LD)N
75
LoughboroughLeicestershireLoughboroughNorth West LeicestershireMarginal ConservativeMore Lab than current seatN
76
Rutland & MeltonLeicestershireRutland & MeltonSafe ConservativeN
77
Ashby & SwadlincoteLeicestershireNorth West LeicestershireSouth DerbyshireMarginal Conservative?Much more Lab than current Leics NWN
78
Boston & SkegnessLincolnshireBoston & SkegnessSafe ConservativeN
79
GainsboroughLincolnshireGainsboroughSafe ConservativeN
80
Grantham & StamfordLincolnshireGrantham & Stamford--Safe ConservativeN
81
LincolnLincolnshireLincolnMarginal ConservativeSlightly more Con than current seatN
82
Louth & HorncastleLincolnshireLouth & Horncastle--Safe ConservativeN
83
Sleaford & North HykehamLincolnshireSleaford & North Hykeham-Safe ConservativeN
84
South Holland & The DeepingsLincolnshireSouth Holland & The Deepings--Safe ConservativeN
85
CorbyNorthamptonshireCorby--Marginal ConservativeN
86
KetteringNorthamptonshireKetteringSemi-safe ConservativeN
87
Northampton NorthNorthamptonshireNorthampton NorthNorthampton SouthMarginal ConservativeN
88
Northampton SouthNorthamptonshireNorthampton SouthNorthamptonshire SouthSemi-safe ConservativeN
89
Northamptonshire SouthNorthamptonshireNorthamptonshire SouthDaventrySafe ConservativeN
90
WellingboroughNorthamptonshireWellingboroughSemi-safe ConservativeN
91
Daventry & HarboroughNorthamptonshireDaventryHarboroughSafe ConservativeN
92
AshfieldNottinghamshireAshfieldMarginal Labour (LD)N
93
BroxtoweNottinghamshireBroxtoweMarginal LabourFlipped from Con to LabNCon to Lab
94
BassetlawNottinghamshireBassetlaw-Safe LabourN
95
GedlingNottinghamshireGedlingMarginal LabourSlightly more Con than current seatN
96
MansfieldNottinghamshireMansfieldSemi-safe LabourN
97
NewarkNottinghamshireNewarkSafe ConservativeN
98
Nottingham EastNottinghamshireNottingham EastNottingham NorthSafe LabourN
99
Nottingham North & HucknallNottinghamshireNottingham North SherwoodSafe LabourN
100
Nottingham SouthNottinghamshireNottingham SouthSemi-safe LabourMore Lab than current seatN
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Abolished seats
Overall impact by party
Notes