Lancaster and Fleetwood: New Boundaries Calculation

This page shows the detail of the calculations performed to estimate the general election result for 2005 had the new boundaries for Lancaster and Fleetwood been in force at that time. 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 2005. This estimate is based on the recent local election results in those wards, with adjustments made to allow for different turnouts and different voting patterns for local and general elections.

Due to changes in ward boundaries, some new wards are divided among several old constituencies (though never between two new constituencies). Such wards are shown divided into several parts, called [1], [2], and so on.

Election results from a recent local election are given. This is usually the local election from 2003, 2004 or 2006. 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. Where zero votes are shown, the ward is not needed because the entire old seat is unsplit.

Calculation method: There are two 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.

Secondly, even though we now have the correct number of votes in the old seat, the party totals will not match the general election result. Some parties do better at the local election than the general election, and others do vice versa. We call these strong and weak parties respectively. The next step is to transfer votes from strong parties to weak parties. This is done by taking votes proportionally away from strong parties and putting them in a transfer pool. For instance if a party got 12,500 local votes, but only 10,000 general election votes, it will lose 20% of its votes from each ward. These votes in each ward will be put in the ward's transfer pool and allocated to the weak parties. Weak parties will get votes transferred to them in proportion to the votes they need over the old seat. For instance, if two weak parties need 4,000 and 1,000 votes respectively, the first party will get 80% of each ward's transfer pool and the second party will get 20% of each ward's transfer pool. The transfer of votes between parties is done on a ward-by-ward basis using these common percentages.

More details of the calculation formulas are available.

The old seat(s) needed are:

Old seat: Morecambe and Lunesdale

The main table shows the district council election results for all the wards in the old seat of Morecambe and Lunesdale. The first block shows the actual results, the second block shows the turnout-adjusted results, and the third block has the transfer-adjusted results. Details of the transfer calculation are given below this table.

 Actual ResultsTurnout-adjusted Results Transfer-adjusted Results
DistrictWardElectorate
2005
Old SeatNew Seat CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
City Of LancasterBare3,368Morecambe and LunesdaleMorecambe and Lunesdale1,07419808501,04619308282,0671,31658116802,067
City Of LancasterBolton-le-Sands3,466Morecambe and LunesdaleMorecambe and Lunesdale28700784570001,5562,1261,07873031702,126
City Of LancasterCarnforth3,408Morecambe and LunesdaleMorecambe and Lunesdale18466105342791,00208092,0905431,38116402,090
City Of LancasterHalton-with-Aughton1,841Morecambe and LunesdaleMorecambe and Lunesdale9500666141009881,12946346320101,129
City Of LancasterHarbour4,602Morecambe and LunesdaleMorecambe and Lunesdale2671,66901,3162321,44901,1422,8236051,98523202,823
City Of LancasterHeysham Central3,502Morecambe and LunesdaleMorecambe and Lunesdale27628801,07436237801,4082,1488211,03928702,148
City Of LancasterHeysham North3,608Morecambe and LunesdaleMorecambe and Lunesdale24271506113421,00908622,2136231,41317502,213
City Of LancasterHeysham South5,098Morecambe and LunesdaleMorecambe and Lunesdale01,26701,91101,24701,8803,1276142,12938303,127
City Of LancasterKellet1,778Morecambe and LunesdaleMorecambe and Lunesdale50300324663004271,0908022008701,090
City Of LancasterLower Lune Valley [2]929Morecambe and LunesdaleLancaster and Fleetwood1,2272001,4081912313826536570242542720570
City Of LancasterOverton1,894Morecambe and LunesdaleMorecambe and Lunesdale16000429316008461,16259239717201,162
City Of LancasterPoulton5,154Morecambe and LunesdaleMorecambe and Lunesdale2311,41701,6662201,35201,5893,1617392,09832303,161
City Of LancasterSilverdale1,714Morecambe and LunesdaleMorecambe and Lunesdale49900382595004561,0517432149201,051
City Of LancasterSkerton East4,860Morecambe and LunesdaleMorecambe and Lunesdale2331,67707362631,88908292,9815332,27816802,981
City Of LancasterSkerton West4,557Morecambe and LunesdaleMorecambe and Lunesdale2971,89609262661,69908302,7955372,08816902,795
City Of LancasterSlyne-with-Hest3,461Morecambe and LunesdaleMorecambe and Lunesdale1,571008621,371007522,1231,61635315302,123
City Of LancasterTorrisholme5,758Morecambe and LunesdaleMorecambe and Lunesdale1,2167761,7281,2628625501,2258953,5321,1549701,40703,532
City Of LancasterUpper Lune Valley1,910Morecambe and LunesdaleMorecambe and Lunesdale65302790821035101,172821035101,172
City Of LancasterWarton1,924Morecambe and LunesdaleMorecambe and Lunesdale19200386392007881,18064936916001,180
City Of LancasterWestgate5,046Morecambe and LunesdaleMorecambe and Lunesdale29747101,92134254202,2113,0951,0641,58045003,095
 Total Morecambe and Lunesdale     9,31411,3481,84119,13241,63515,56320,3315,741041,635

The transfer table below shows the votes cast in the old seat of Morecambe and Lunesdale at the general election, as well as the total local turnout-adjusted votes. The number of votes to transfer, shown in the fourth and fifth columns, are the difference between the general and local votes. Strong parties will have votes transferred away, and weak parties will have votes transferred into them. The final column describes how votes will be transferred away from or into that party on a ward-by-ward basis. If a party is too strong, it will lose a percentage of its votes in each ward which go into that ward's transfer pool. If a party is too weak, it will gain votes from each ward's transfer pool in proportion to the number of transfer votes it needs over the whole old seat.

PartyGeneral
Election 2005
Votes
Local Election
Turnout-adjusted
Votes
Votes to
transfer
away
Votes to
transfer
into
Ward Transfers needed
CON15,5639,31406,249Transfer in 32.7% (= 6249 / 19132) of ward's transfer pool votes
LAB20,33111,34808,983Transfer in 47.0% (= 8983 / 19132) of ward's transfer pool votes
LIB5,7411,84103,900Transfer in 20.4% (= 3900 / 19132) of ward's transfer pool votes
OTH019,13219,1320Transfer away 100.0% (= 19132 / 19132) of ward's OTH votes
Total41,63541,63519,13219,132 

After transfer adjustment, the totals for each party over all the wards match the general election vote in the old seat.

Old seat: Blackpool North and Fleetwood

The main table shows the district council election results for all the wards in the old seat of Blackpool North and Fleetwood. The first block shows the actual results, the second block shows the turnout-adjusted results, and the third block has the transfer-adjusted results. Details of the transfer calculation are given below this table.

 Actual ResultsTurnout-adjusted Results Transfer-adjusted Results
DistrictWardElectorate
2005
Old SeatNew Seat CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
BlackpoolAnchorsholme5,494Blackpool North and FleetwoodBlackpool North and Cleveleys1,7381,4592,55609497961,39503,1408397431,489673,140
BlackpoolBispham4,967Blackpool North and FleetwoodBlackpool North and Cleveleys3,0581,54439901,73687622602,8381,5358183761072,838
BlackpoolBrunswick [1]206Blackpool North and FleetwoodBlackpool South1,0402,4473202003172961182767139118
BlackpoolClaremont5,601Blackpool North and FleetwoodBlackpool North and Cleveleys1,4472,4222901611,0721,7952151193,2019481,6763562193,201
BlackpoolGreenlands5,524Blackpool North and FleetwoodBlackpool North and Cleveleys2,0202,35544501,3231,54329103,1571,1701,4414391063,157
BlackpoolIngthorpe5,187Blackpool North and FleetwoodBlackpool North and Cleveleys1,5922,71045409921,68928302,9648771,577414942,964
BlackpoolNorbreck5,216Blackpool North and FleetwoodBlackpool North and Cleveleys3,6391,57737801,93984020102,9801,7147843631162,980
BlackpoolWarbreck5,371Blackpool North and FleetwoodBlackpool North and Cleveleys2,3761,66192701,4691,02757303,0691,299959711983,069
WyreBourne5,126Blackpool North and FleetwoodBlackpool North and Cleveleys6002,018006712,258002,9295932,109131942,929
WyreCleveleys Park4,985Blackpool North and FleetwoodBlackpool North and Cleveleys2,1732,56831201,2251,44817602,8491,0831,352314982,849
WyreJubilee3,504Blackpool North and FleetwoodBlackpool North and Cleveleys1,031937001,049953002,002927890107762,002
WyreMount3,085Blackpool North and FleetwoodLancaster and Fleetwood8231,168007291,034001,76364496588631,763
WyrePark3,205Blackpool North and FleetwoodLancaster and Fleetwood4931,276005101,321001,8314511,23485601,831
WyrePharos4,459Blackpool North and FleetwoodLancaster and Fleetwood6502,77818304591,96112902,5494051,831235752,549
WyreRossall4,829Blackpool North and FleetwoodLancaster and Fleetwood1,4082,789009261,834002,7608181,713132942,760
WyreStaina [1]27Blackpool North and FleetwoodWyre and Preston North2,8062,15500970016760016
WyreVictoria [1]4,289Blackpool North and FleetwoodBlackpool North and Cleveleys2,4461,687001,4511,001002,4521,283935136972,452
WyreWarren4,671Blackpool North and FleetwoodLancaster and Fleetwood1,5992,461001,0511,618002,6699291,511132952,669
 Total Blackpool North and Fleetwood     17,59122,0733,49812543,28715,55820,6205,5311,57743,287

The transfer table below shows the votes cast in the old seat of Blackpool North and Fleetwood at the general election, as well as the total local turnout-adjusted votes. The number of votes to transfer, shown in the fourth and fifth columns, are the difference between the general and local votes. Strong parties will have votes transferred away, and weak parties will have votes transferred into them. The final column describes how votes will be transferred away from or into that party on a ward-by-ward basis. If a party is too strong, it will lose a percentage of its votes in each ward which go into that ward's transfer pool. If a party is too weak, it will gain votes from each ward's transfer pool in proportion to the number of transfer votes it needs over the whole old seat.

PartyGeneral
Election 2005
Votes
Local Election
Turnout-adjusted
Votes
Votes to
transfer
away
Votes to
transfer
into
Ward Transfers needed
CON15,55817,5912,0330Transfer away 11.6% (= 2033 / 17591) of ward's CON votes
LAB20,62022,0731,4530Transfer away 6.6% (= 1453 / 22073) of ward's LAB votes
LIB5,5333,49802,035Transfer in 58.3% (= 2035 / 3489) of ward's transfer pool votes
OTH1,57912501,454Transfer in 41.7% (= 1454 / 3489) of ward's transfer pool votes
Total43,29043,2873,4893,489 

After transfer adjustment, the totals for each party over all the wards match the general election vote in the old seat.

Old seat: Lancaster and Wyre

The main table shows the district council election results for all the wards in the old seat of Lancaster and Wyre. The first block shows the actual results, the second block shows the turnout-adjusted results, and the third block has the transfer-adjusted results. Details of the transfer calculation are given below this table.

 Actual ResultsTurnout-adjusted Results Transfer-adjusted Results
DistrictWardElectorate
2005
Old SeatNew Seat CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
City Of LancasterBulk4,607Lancaster and WyreLancaster and Fleetwood02,1202122,14601,3941391,4112,944852,0312935332,944
City Of LancasterCastle5,020Lancaster and WyreLancaster and Fleetwood2511,3152093,5841507871252,1463,2082801,7573598103,208
City Of LancasterDuke's1,819Lancaster and WyreLancaster and Fleetwood277151407561481078511,1621075321993211,162
City Of LancasterEllel3,525Lancaster and WyreLancaster and Fleetwood1,3932682673061,4052702693092,2531,4234093021162,253
City Of LancasterJohn O'Gaunt5,408Lancaster and WyreLancaster and Fleetwood5752,1673331,0684801,8082788913,4575342,2103753363,457
City Of LancasterLower Lune Valley [1]2,642Lancaster and WyreLancaster and Fleetwood1,2272001,4081916851127861071,690691160797401,690
City Of LancasterScotforth East3,507Lancaster and WyreLancaster and Fleetwood5663121,5112304842671,2931972,2414953561,314742,241
City Of LancasterScotforth West5,073Lancaster and WyreLancaster and Fleetwood1,1941,6581952,4677029751151,4513,2437901,6312735483,243
City Of LancasterUniversity3,835Lancaster and WyreLancaster and Fleetwood1132095593872184041,0817482,4512637421,1622822,451
WyreBreck2,555Lancaster and WyreWyre and Preston North1,315526001,166467001,6331,166467001,633
WyreBrock1,874Lancaster and WyreWyre and Preston North42501870832036601,198832036601,198
WyreCabus1,378Lancaster and WyreWyre and Preston North364301004823990088148239900881
WyreCalder1,603Lancaster and WyreWyre and Preston North29202670535048901,024535048901,024
WyreCarleton3,367Lancaster and WyreWyre and Preston North1,346989001,240911002,1511,240911002,151
WyreCatterall1,758Lancaster and WyreWyre and Preston North24005320349077401,123349077401,123
WyreGarstang3,957Lancaster and WyreWyre and Preston North2,9014451,28301,58524370102,5291,58524370102,529
WyreGreat Eccleston [2]483Lancaster and WyreWyre and Preston North1,5032330026741003082674100308
WyreHambleton and Stalmine-with-Staynall3,493Lancaster and WyreWyre and Preston North1,6751,147001,325907002,2321,325907002,232
WyreHardhorn2,902Lancaster and WyreWyre and Preston North1,517652001,297558001,8551,297558001,855
WyreHigh Cross3,076Lancaster and WyreWyre and Preston North1,5391,070001,160806001,9661,160806001,966
WyreNorcross2,996Lancaster and WyreWyre and Preston North92198000928987001,915928987001,915
WyrePilling1,644Lancaster and WyreLancaster and Fleetwood34203140548050301,051548050301,051
WyrePreesall4,578Lancaster and WyreLancaster and Fleetwood2,88391007501,85758604832,9261,886804521822,926
WyreStaina [2]4,907Lancaster and WyreWyre and Preston North2,8062,155001,7741,362003,1361,7741,362003,136
WyreTithebarn3,307Lancaster and WyreWyre and Preston North1,533673001,469645002,1141,469645002,114
WyreVictoria [2]512Lancaster and WyreBlackpool North and Cleveleys2,4461,687001941340032819413400328
WyreWyresdale1,633Lancaster and WyreLancaster and Fleetwood36903250555048901,044555048901,044
 Total Lancaster and Wyre     21,74314,2117,5158,59452,06322,26618,0968,4533,24752,063

The transfer table below shows the votes cast in the old seat of Lancaster and Wyre at the general election, as well as the total local turnout-adjusted votes. The number of votes to transfer, shown in the fourth and fifth columns, are the difference between the general and local votes. Strong parties will have votes transferred away, and weak parties will have votes transferred into them. The final column describes how votes will be transferred away from or into that party on a ward-by-ward basis. If a party is too strong, it will lose a percentage of its votes in each ward which go into that ward's transfer pool. If a party is too weak, it will gain votes from each ward's transfer pool in proportion to the number of transfer votes it needs over the whole old seat.

PartyGeneral
Election 2005
Votes
Local Election
Turnout-adjusted
Votes
Votes to
transfer
away
Votes to
transfer
into
Ward Transfers needed
CON22,26621,7430523Transfer in 9.8% (= 523 / 5345) of ward's transfer pool votes
LAB18,09514,21103,884Transfer in 72.7% (= 3884 / 5345) of ward's transfer pool votes
LIB8,4537,5150938Transfer in 17.5% (= 938 / 5345) of ward's transfer pool votes
OTH3,2478,5945,3470Transfer away 62.2% (= 5347 / 8594) of ward's OTH votes
Total52,06152,0635,3455,345 

After transfer adjustment, the totals for each party over all the wards match the general election vote in the old seat.

New seat: Lancaster and Fleetwood

The new seat of Lancaster and Fleetwood is made up of the following wards, with the transfer-adjusted votes shown.

DistrictWardElectorate
2005
Old SeatNew Seat CON
Votes
LAB
Votes
LIB
Votes
OTH
Votes
Total
Votes
City Of LancasterBulk4,607Lancaster and WyreLancaster and Fleetwood852,0312935332,944
City Of LancasterCastle5,020Lancaster and WyreLancaster and Fleetwood2801,7573598103,208
City Of LancasterDuke's1,819Lancaster and WyreLancaster and Fleetwood1075321993211,162
City Of LancasterEllel3,525Lancaster and WyreLancaster and Fleetwood1,4234093021162,253
City Of LancasterJohn O'Gaunt5,408Lancaster and WyreLancaster and Fleetwood5342,2103753363,457
City Of LancasterLower Lune Valley [1]2,642Lancaster and WyreLancaster and Fleetwood691160797401,690
City Of LancasterLower Lune Valley [2]929Morecambe and LunesdaleLancaster and Fleetwood242542720570
WyreMount3,085Blackpool North and FleetwoodLancaster and Fleetwood64496588631,763
WyrePark3,205Blackpool North and FleetwoodLancaster and Fleetwood4511,23485601,831
WyrePharos4,459Blackpool North and FleetwoodLancaster and Fleetwood4051,831235752,549
WyrePilling1,644Lancaster and WyreLancaster and Fleetwood548050301,051
WyrePreesall4,578Lancaster and WyreLancaster and Fleetwood1,886804521822,926
WyreRossall4,829Blackpool North and FleetwoodLancaster and Fleetwood8181,713132942,760
City Of LancasterScotforth East3,507Lancaster and WyreLancaster and Fleetwood4953561,314742,241
City Of LancasterScotforth West5,073Lancaster and WyreLancaster and Fleetwood7901,6312735483,243
City Of LancasterUniversity3,835Lancaster and WyreLancaster and Fleetwood2637421,1622822,451
WyreWarren4,671Blackpool North and FleetwoodLancaster and Fleetwood9291,511132952,669
WyreWyresdale1,633Lancaster and WyreLancaster and Fleetwood555048901,044
 Total  Lancaster and Fleetwood11,15617,9487,0703,63739,812

And these are the implied results for 2005 for the new seat of Lancaster and Fleetwood.