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What are the London constituencies for the next election? Boundary changes explained

Prime Minister Rishi Sunak faces a challenging few months ahead of the next general election (Kin Cheung/PA) (PA Wire)
Prime Minister Rishi Sunak faces a challenging few months ahead of the next general election (Kin Cheung/PA) (PA Wire)

Ahead of the next UK general election, there are many questions around demographic voting trends, and which policies will influence different people's decisions. However, one less discussed issue has been the changes to the constituency boundaries.

The constituency boundaries used for the UK general election in 2020 will be replaced, in accordance with the recommendations of independent Boundary Commissions for England, Scotland, Wales, and Northern Ireland.

The current borders have been in place since 2010. Since the war, there have been six periodic reviews, including this one. October 2031 is when the next review is expected to take place.

England gains 10 seats overall, increasing its total number of seats from 533 to 543. Scotland drops from 59 to 57 seats. The largest loss is Wales. It now only has 32 constituencies, down from 40 previously, or one-fifth of the number of seats.

Regarding the 18 seats in Northern Ireland, nothing has changed.

When the next election is held, 91 constituencies will replace the current 84 in the South East, which is the largest increase. There has been a net gain of three seats in the South West and the East of England.

There has been a net loss of two constituencies in each of the North East, North West, and West Midlands.

There won't be any significant variations in the performance of the local and general elections between the strongest and weakest wards of each party.

What are boundary reviews?

To ensure that constituencies are all around the same size and respect local relationships across places, constituency borders are revised on a regular basis. The reviews adjust the borders of the electoral wards that make up seats to account for population growth and decline.

Since 2010, the present constituency boundaries have been in place. They were created in 2000 using electorates as a guide.

When examining the degree to which electorates within each constituency can differ, the 2023 boundary review is more stringent than previous ones.

All constituencies, with the exception of five protected island seats like Ynys Môn, must now have populations within five percent of the 73,393 "electoral quota." In the past, proximity to the quota had not been restricted to a certain range, but rather had been one of numerous variables.

What are the London constituencies for the next election?

The 2021 Output Area Centroids (for England and Wales) are the basis for the projected population of overlaps between the old and new constituencies.

It is possible to think of each new seat as a mixture of elements from previous chairs. This breakdown is displayed in these tables. Both the inferred winner of the new seat and the winner of the previous seat in the 2019 election are indicated by party colour.

Eltham is one of the former seats that was lost to a different party. Eltham and Chislehurst are the new seats that were acquired from a different party.

While the newly established seats are Streatham and Croydon North; Stratford and Bow.

The list is as follows: new seat, primary component and secondary component.

Barking and Dagenham

Barking

91.3 per cent of Barking.

Dagenham and Rainham

90.0 per cent of Dagenham and Rainham

8.7 per cent of Barking

3.0 per cent of Hornchurch and Upminster

Barnet

Chipping Barnet

84.7 per cent of Chipping Barnet

11.8 per cent of Hendon

0.3 per cent of Finchley and Golders Green

Finchley and Golders Green

99.5 per cent of Finchley and Golders Green

0.7 per cent of Chipping Barnet

Hendon

88.2 per cent of Hendon

Bexley

Bexleyheath and Crayford

86.6 per cent of Bexleyheath and Crayford

18.6 per cent of Erith and Thamesmead

Old Bexley and Sidcup

100 per cent of Old Bexley and Sidcup

12.0 per cent of Bexleyheath and Crayford

Brent

Brent East

66.4 per cent of Brent Central

11.5 per cent of Brent North

10.6 per cent of Hampstead and Kilburn

Brent West

75.9 per cent of Brent North

18.4 per cent of Brent Central

Bromley

Beckenham and Penge

63.6 per cent of Beckenham

43.9 per cent of Lewisham West and Penge

Bromley and Biggin Hill

53.5 per cent of Bromley and Chislehurst

36.4 per cent of Beckenham

13.8 per cent of Orpington

Orpington

86.2 per cent of Orpington

18.0 per cent of Bromley and Chislehurst

Camden

Hampstead and Highgate

63.2 per cent of Hampstead and Kilburn

16.3 per cent of Holborn and St Pancras

11.2 per cent of Hornsey and Wood Green

Holborn and St Pancras

83.7 per cent of Holborn and St Pancras

0.2 per cent of Hampstead and Kilburn

City of Westminster

Cities of London and Westminster

97.6 per cent of Cities of London and Westminster

18.7 per cent of Westminster North

Queen's Park and Maida Vale

64.2 per cent of Westminster North

26.0 per cent of Hampstead and Kilburn

15.1 per cent of Brent Central

Croydon

Croydon East

82.9 per cent of Croydon Central

9.3 per cent of Croydon South

Croydon South

78.8 per cent of Croydon South

6.3 per cent of Croydon Central

Croydon West

58.7 per cent of Croydon North

11.9 per cent of Croydon South

10.9 per cent of Croydon Central

Ealing

Ealing Central and Acton

87.3 per cent of Ealing Central and Acton

13.8 per cent of Hammersmith

Ealing North

98.1 per cent of Ealing North

Ealing Southall

100 per cent of Ealing Southall

12.7 per cent of Ealing Central and Acton

1.9 per cent of Ealing North

Enfield

Edmonton and Winchmore Hill

83.3 per cent of Edmonton

31.9 per cent of Enfield Southgate

Enfield North

96.8 per cent of Enfield North

14.5 per cent of Edmonton

2.5 per cent of Enfield Southgate

Southgate and Wood Green

65.6 per cent of Enfield Southgate

28.2 per cent of Hornsey and Wood Green

8.1 per cent of Tottenham

3.2 per cent of Enfield North

2.1 per cent of Edmonton

Greenwich

Eltham and Chislehurst

85.8 per cent of Eltham

28.5 per cent of Bromley and Chislehurst

Erith and Thamesmead

81.4 per cent of Erith and Thamesmead

12.6 per cent of Greenwich and Woolwich

14.2 per cent of Eltham

1.4 per cent of Bexleyheath and Crayford

Greenwich and Woolwich

87.4 per cent of Greenwich and Woolwich

Hackney

Hackney North and Stoke Newington

76.4 per cent of Hackney North and Stoke Newington

11.3 per cent of Hackney South and Shoreditch

Hackney South and Shoreditch

81.0 per cent of Hackney South and Shoreditch

8.6 per cent of Hackney North and Stoke Newington

Hammersmith and Fulham

Chelsea and Fulham

96.0 per cent of Chelsea and Fulham

18.2 per cent of Hammersmith

1.4 per cent of Kensington

Hammersmith and Chiswick

68.0 per cent of Hammersmith

28.3 per cent of Brentford and Isleworth

Haringey

Hornsey and Friern Barnet

60.4 per cent of Hornsey and Wood Green

14.6 per cent of Chipping Barnet

10.7 per cent of Tottenham

0.1 per cent of Finchley and Golders Green

Tottenham

81.3 per cent of Tottenham

15.0 per cent of Hackney North and Stoke Newington

0.2 per cent of Hornsey and Wood Green

Harrow

Harrow East

91.2 per cent of Harrow East

12.6 per cent of Brent North

0.9 per cent of Ruislip, Northwood and Pinner

0.2 per cent of Harrow West

Harrow West

93.9 per cent of Harrow West

8.8 per cent of Harrow East

Havering

Hornchurch and Upminster

95.1 per cent of Hornchurch and Upminster

Romford

100 per cent of Romford

1.8 per cent of Hornchurch and Upminster

Hillingdon

Hayes and Harlington

Unchanged

Ruislip, Northwood and Pinner

83.4 per cent of Ruislip, Northwood and Pinner

10.0 per cent of Uxbridge and South Ruislip

5.9 per cent of Harrow West

Uxbridge and South Ruislip

90.0 per cent of Uxbridge and South Ruislip

15.8 per cent of Ruislip, Northwood and Pinner

0.0 per cent of Hayes and Harlington

Hounslow

Brentford and Isleworth

71.7 per cent of Brentford and Isleworth

8.9 per cent of Twickenham

8.3 per cent of Feltham and Heston

0.0 per cent of Ealing Southall

Feltham and Heston

91.7 per cent of Feltham and Heston

Islington

Islington North

Unchanged

Islington South and Finsbury

100 per cent of Islington South and Finsbury

7.7 per cent of Hackney South and Shoreditch

Kensington and Chelsea

Kensington and Bayswater

98.6 per cent of Kensington

17.1 per cent of Westminster North

4.0 per cent of Chelsea and Fulham

2.4 per cent of Cities of London and Westminster

Kingston upon Thames

Kingston and Surbiton

83.7 per cent of Kingston and Surbiton

8.2 per cent of Richmond Park

Lambeth

Clapham and Brixton Hill

51.0 per cent of Streatham

40.7 per cent of Vauxhall

Dulwich and West Norwood

84.4 per cent of Dulwich and West Norwood

8.0 per cent of Camberwell and Peckham

Streatham and Croydon North

49.0 per cent of Streatham

41.3 per cent of Croydon North

Vauxhall and Camberwell Green

59.3 per cent of Vauxhall

12.3 per cent of Camberwell and Peckham

9.8 per cent of Bermondsey and Old Southwark

Lewisham

Lewisham East

86.2 per cent of Lewisham East

10.0 per cent of Lewisham West and Penge

5.0 per cent of Lewisham Deptford

Lewisham North

81.4 per cent of Lewisham Deptford

13.8 per cent of Lewisham East

Lewisham West and East Dulwich

46.1 per cent of Lewisham West and Penge

15.6 per cent of Dulwich and West Norwood

14.0 per cent of Camberwell and Peckham

13.6 per cent of Lewisham Deptford

Merton

Mitcham and Morden

99.9 per cent of Mitcham and Morden

10.0 per cent of Wimbledon

Wimbledon

90.0 per cent of Wimbledon

16.3 per cent of Kingston and Surbiton

Newham

East Ham

80.3 per cent of East Ham

Stratford and Bow

45.7 per cent of West Ham

24.7 per cent of Bethnal Green and Bow

7.7 per cent of Poplar and Limehouse

West Ham and Beckton

54.3 per cent of West Ham

19.7 per cent of East Ham

Redbridge

Ilford North

78.1 per cent of Ilford North

20.8 per cent of Ilford South

Ilford South

79.0 per cent of Ilford South

10.0 per cent of Dagenham and Rainham

Richmond upon Thames

Richmond Park

91.8 per cent of Richmond Park

Twickenham

91.1 per cent of Twickenham

Southwark

Bermondsey and Old Southwark

75.4 per cent of Bermondsey and Old Southwark

0.8 per cent of Camberwell and Peckham

Peckham

64.9 per cent of Camberwell and Peckham

14.8 per cent of Bermondsey and Old Southwark

Sutton

Carshalton and Wallington

99.8 per cent of Carshalton and Wallington

0.4 per cent of Sutton and Cheam

0.1 per cent of Mitcham and Morden

Sutton and Cheam

99.6 per cent of Sutton and Cheam

0.2 per cent of Carshalton and Wallington

Tower Hamlets

Bethnal Green and Stepney

75.3 per cent of Bethnal Green and Bow

10.7 per cent of Poplar and Limehouse

Poplar and Limehouse

81.6 per cent of Poplar and Limehouse

Waltham Forest

Chingford and Woodford Green

96.4 per cent of Chingford and Woodford Green

16.8 per cent of Ilford North

Leyton and Wanstead

100 per cent of Leyton and Wanstead

5.0 per cent of Ilford North

3.6 per cent of Chingford and Woodford Green

0.2 per cent of Ilford South

Walthamstow

Unchanged

Wandsworth

Battersea

90.7 per cent of Battersea

Putney

100 per cent of Putney

9.3 per cent of Battersea

Tooting

Unchanged