Horsham: Seat, Ward and Prediction Details

Horsham: Overview

 Prediction: CON hold 

MP at 2017: Jeremy Quin  (CON)
County/Area: West Sussex (South East)
Electorate: 82,773
Turnout: 74.9%
2017
Votes
2017
Share
Predicted
Votes
CON36,90659.5%55.8%
LAB13,42221.7%22.0%
LIB7,64412.3%12.3%
Green1,8443.0%3.5%
UKIP1,5332.5%4.8%
OTH6381.0%1.5%
CON Majority23,48437.9%Pred Maj 33.8%
Chance of
winning
CON
94%
LAB
6%
LIB
1%
Green
0%
UKIP
0%
OTH
0%

Horsham : Political and Demographic indicators

The table below shows some political and demographic numerical indicators for the Horsham constituency, the 'South East' area and nation.

The political measures include the Left/Right and International/National axes (what does this mean).

The demographic measures are from the 2011 Census and include categories relating to national identity, economic activity, health and education. These categories are those which have the most relevance to political attitudes.

IndicatorSeatSouth EastAll GB
Party WinnerCONCONCON
Economic Position7° Right4° Right
National Position2° Nat3° Nat1° Int
EU Leave %49%52%52%
British Identity30%29%29%
Good Health52%49%48%
UK Born91%88%88%
Good Education45%43%39%
Good Job60%56%51%
High SEC65%57%51%
Average Age50.349.248.5
ABC1 Class66%60%53%

Horsham ranks #433 for "Leave", #164 for "Right" and #332 for "National" out of 650 seats.

Indicators: Legend and Descriptions

Indicators : Legend and Descriptions

The colour scheme used in the table above is explained in the legend table below. The eight census indicators (British Identity, Good Health, UK Born, Good Education, Good Job, High SEC, Average Age and AB1 Class) all use the same 'Census' colour scheme indicating whether the area's level is above or below the national average.

TopicCat 1Cat 2Cat 3Cat 4Cat 5
Economic PositionVery LeftLeftCentristRightVery Right
National PositionVery IntInternationalCentristNationalVery Nat
EU Leave %Very RemainRemainBalancedLeaveVery Leave
CensusVery LowLowMediumHighVery High

Indicator definitions are given in terms of political data definitions or census categories:

IndicatorCensus
Question
Definition / Included Census Categories
Party WinnerArea party winner : actual election result or projected by Electoral Calculus
Economic PositionEconomic position between 100° Left and 100° Right, estimated by Electoral Calculus from political and demographic data.
National PositionNational position between 100° International and 100° National, estimated by Electoral Calculus from political and demographic data.
EU Leave %EU Referendum vote share for 'Leave' : actual result or estimate
British IdentityNational Identity (KS202)Those answering British, British-Other, or Scottish-British
Good HealthHealth (KS301)Those answering 'Very Good Health'
UK BornCountry of Birth (QS203)Those answering England, Northern Ireland, Scotland, Wales, GB Other, or UK Other
Good EducationHighest level of Qualification (QS501)Level 3 (A-level equivalent) or Level 4+ (degree equivalent)
Good JobOccupation (QS606)Occupation codes 1xx to 4xx (Managers, Professionals, Associates, and office workers)
High SECNS-SeC of Household Reference Person (QS609)National Statistics Socio-economic Classification from 1 to 4 (higher managers and professionals, lower managers and professionals, intermediate occupations, small employers and self-employed).
Average AgeAge (QS103)Average age of adults (18 years and above)
ABC1 ClassApproximated Social Grade (QS611)Approximated social grades A, B and C1

Horsham: Map

Boundary Lines courtesy of Ordnance Survey OpenData © Crown copyright 2015

Horsham: Ward-by-ward

Workings for Horsham

This section gives an estimate of the votes cast in each ward of Horsham at the general election of 2017. The official ward breakdowns are not officially tabulated or published, so these numbers are only approximate. The basic idea of the calculation is to look at the district council wards which make up the new seat, and estimate how they voted in 2017, and also to predict how they will vote at the next election. These estimates are based both on the recent local election results and the Census 2011 demography in those wards, with adjustments made to allow for different turnouts and different voting patterns for local and general elections.

Usuallly each ward lies entirely within a single constituency, but some large wards are split between several constituencies (particularly in Scotland and Northern Ireland). The electorate figure shown is the estimate of the electorate which is common to both the constituency and the particular ward, and can be very small.

Election results from a recent local election are given. This is usually the local election closest to 2015 from the period 2012-2015. For multiple-member wards, the votes shown are the sum of the votes cast for all candidates of each party. A negative number indicates candidate(s) elected unopposed.

Calculation method

There are a few problems with using the raw (actual) local election results to imply general election results ward-by-ward. Firstly, turnout can be different between local and general elections, which means that the total number of local votes cast does not equal the number of votes cast in each old seat at the general election. To correct for this, we adjust the local votes to match the general election turnout. Each ward's result is scaled, whilst keeping constant the percentage support for each party, so that the total turnout adds up to the old seat's general election turnout. All wards in the old seat are assumed to have the same percentage turnout.

Because not all parties have a candidate in each ward, and sometimes there is only a single candidate elected unopposed, the local election results can understate a party's true support. To correct for this, we also use Census demography to make an alternative estimate of how the ward voted in the general election, based on any demographic differences between the ward and the seat overall.

Both method are then combined together, and the votes are subject to a final adjustment to make sure that the totals over the wards add up to the general election seat total, as they must.

Raw vote and Estimated General Election vote

The raw vote table shows the district council election results for all the wards in the seat of Horsham. The first block shows the actual results, the second block shows the turnout-adjusted results. The final block shows the estimated general election votes for each ward after all the processes are complete.

HorshamActual Results
DistrictWardElection
Year
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
HorshamBillingshurst and Shipley20157,8391,0131,2091,3011,0720
HorshamBroadbridge Heath201578406723041800
HorshamDenne20152,4816167385410797
HorshamForest201598701,12502220
HorshamHolbrook East20152,9465826985874440
HorshamHolbrook West20153,41090067558300
HorshamHorsham Park20154,2332,1613,8496010418
HorshamItchingfield, Slinfold and Warnham20153,28327897570500
HorshamNuthurst20151,14202832701950
HorshamRoffey North20152,4554781,7151,1790319
HorshamRoffey South20152,7008246271,1283510
HorshamRudgwick20158700007260
HorshamRusper and Colgate20151,198022401920
HorshamSouthwater20157,3726901,9762,045801814
HorshamTrafalgar20152,1494423,1314003920
Mid SussexArdingly and Balcombe20153,21654300692594
Mid SussexCopthorne and Worth20153,009463063000
Mid SussexCrawley Down and Turners Hill20155,7518990001,580

HorshamTurnout-adjusted Results
DistrictWardElectorate
2017
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
Total
Votes
HorshamBillingshurst and Shipley7,0543,52645654458548205,593
HorshamBroadbridge Heath2,347752064529217301,862
HorshamDenne4,4431,69041950336805433,523
HorshamForest2,77092901,059020902,197
HorshamHolbrook East4,2271,87837144537428303,351
HorshamHolbrook West4,3782,126561421363003,471
HorshamHorsham Park6,2781,8719551,70126601854,978
HorshamItchingfield, Slinfold and Warnham4,2942,133181633458003,405
HorshamNuthurst2,0881,000024823717101,656
HorshamRoffey North4,7311,4982921,04772001953,752
HorshamRoffey South4,8931,86156843277724203,880
HorshamRudgwick2,07389600074801,644
HorshamRusper and Colgate2,1191,2470233020001,680
HorshamSouthwater8,0543,4373229219533733796,385
HorshamTrafalgar4,6241,2102491,76222522103,667
Mid SussexArdingly and Balcombe4,5542,302389004954253,611
Mid SussexCopthorne and Worth3,8442,2363440468003,048
Mid SussexCrawley Down and Turners Hill5,4102,9974690008234,289
 Total78,18133,5895,57610,5946,0863,5972,55061,992

The turnout-adjusted results are now combined with the implied results from the Census Demography calculation, and then adjusted to match the general election totals. The results of these calculations are shown in the table below.

HorshamEst. 2017 General Election Results
DistrictWardElectorate
2017
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
Total
Votes
HorshamBillingshurst and Shipley7,4683,6181,068543106230285,593
HorshamBroadbridge Heath2,485929353403908071,862
HorshamDenne4,7041,8709214839165923,522
HorshamForest2,9331,203379519580112,197
HorshamHolbrook East4,4752,04377835460102133,350
HorshamHolbrook West4,6352,1618173597940163,472
HorshamHorsham Park6,6472,2191,5309959595434,977
HorshamItchingfield, Slinfold and Warnham4,5462,2586113838947173,405
HorshamNuthurst2,2111,1142911493458111,657
HorshamRoffey North5,0091,96988266415147383,751
HorshamRoffey South5,1802,0931,12837716997163,880
HorshamRudgwick2,1951,0752291001221981,643
HorshamRusper and Colgate2,2431,2581591352989101,680
HorshamSouthwater8,5273,9281,220755217187806,387
HorshamTrafalgar4,8961,77880988563115163,666
Mid SussexArdingly and Balcombe4,8212,26981519162199743,610
Mid SussexCopthorne and Worth4,0702,1546131389727193,048
Mid SussexCrawley Down and Turners Hill5,7282,96982121083671394,289
 Total78,18136,90813,4247,6431,5321,84463861,992

Predicted ward-by-ward votes for Horsham

This table shows the predicted general election result broken down over each ward in the seat of Horsham.

HorshamPredicted Results
DistrictWardElectorate
2017
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
Total
Votes
HorshamBillingshurst and Shipley7,4683,4091,090543238259545,593
HorshamBroadbridge Heath2,48586036040313490161,863
HorshamDenne4,7041,739935483174831083,522
HorshamForest2,9331,1213885195791212,197
HorshamHolbrook East4,4751,918791354139119293,350
HorshamHolbrook West4,6352,03183035916158323,471
HorshamHorsham Park6,6472,0331,549995212121664,976
HorshamItchingfield, Slinfold and Warnham4,5462,13162438316965333,405
HorshamNuthurst2,2111,0522971497367191,657
HorshamRoffey North5,0091,82989766423966553,750
HorshamRoffey South5,1801,9481,143377261117343,880
HorshamRudgwick2,1951,01423510051227161,643
HorshamRusper and Colgate2,2431,1951661356998181,681
HorshamSouthwater8,5273,6901,2457553682201106,388
HorshamTrafalgar4,8961,641823885149134333,665
Mid SussexArdingly and Balcombe4,8212,134829191147218913,610
Mid SussexCopthorne and Worth4,0702,04062513816943333,048
Mid SussexCrawley Down and Turners Hill5,7282,809838210184891594,289
 Total78,18134,59413,6657,6432,9942,16592761,988

Please note that general election results and electorates are not officially made available ward-by-ward. The numbers shown are our best estimates for these figures, but are not official.


© 2017 Martin Baxter
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