Neighbourhood · Sutton

St Helier South: house prices and how the area is changing

Official figures for the St Helier South neighbourhood of Sutton, England (ONS area Sutton 002). Headline figures assembled 13 October 2026. Postcodes SM1, SM4, SM5. Figures that read a point use the neighbourhood's centre, near SM5 1AZ.

A middle-income neighbourhood, with signals pointing away from gentrification

St Helier South is a middle-income neighbourhood. But area signals point away from gentrification against Sutton (3 of 20 signals falling, 1 rising). Houses here typically resell for £425,000 and flats for £245,000 (median resale prices, 2023-2025). Recorded crime is higher than across Sutton (1.4 times the borough's rate), schools nearby are improving in line with the council's and the nearest station, Sutton Common, is about a 15-minute walk from the neighbourhood's centre.

The neighbourhood in brief, from the figures on this page. Summary updated 13 October 2026; source dates are shown below.

Typical house price

£425,000

Median resale price of houses in the neighbourhood, 2023-2025; +23% against 2017-2019.

Source: HM Land Registry Price Paid Data

Typical flat price

£245,000

Median resale price of flats in the neighbourhood, 2023-2025; +4% against 2017-2019.

Source: HM Land Registry Price Paid Data

Affluence today

Middle income

How well off the neighbourhood is now, from household income, home prices and deprivation.

Source: ONS, HM Land Registry, MHCLG Indices of Deprivation

Signs of gentrification

Moving the other way

Weighted balance -0.15; 1 of 20 signals up, 3 down, against the borough.

Source: Official statistics on prices, incomes, benefits, businesses, schools and more (a full report shows every signal)

Deprivation

Decile 3 of 10

English Indices of Deprivation 2025: 1 is the most deprived tenth of neighbourhoods, 10 the least. At the neighbourhood's centre; its 5 small areas range from decile 2 to 4.

Source: MHCLG English Indices of Deprivation 2025

Average household income

£66,400

ONS estimate for the neighbourhood (modelled, with a margin of error).

Source: Office for National Statistics

Recorded crime

1.4 times the borough's rate

Crimes recorded by the police over 12 months (not anti-social behaviour) per resident, against the borough. Crime per resident can overstate the risk in busy centres where many people work or visit.

Source: Police.uk

Schools getting better

In line with the council's

Nearby state schools' latest Ofsted inspections and results, against the council's schools.

Source: Ofsted, Department for Education

Where St Helier South sits in Sutton

  • Typical house price: 2nd lowest of 24 neighbourhoods in Sutton
  • Typical flat price: the lowest of 24 neighbourhoods in Sutton
  • Average household income: 2nd lowest of 24 neighbourhoods in Sutton

Ranked among the council's neighbourhoods by the figures on each one's own page, checked 13 October 2026: typical prices are HM Land Registry resale medians over the latest three-year window, household income the ONS's modelled estimate, with a margin of error, so neighbourhoods a place or two apart may not really differ.

Prices over time in St Helier South

House prices: St Helier South against Sutton: This neighbourhood £58k (1995) to £425k (2026); Sutton £80k (1995) to £535k (2026).£123k£500k2026202120162011200620011995This neighbourhood£425kSutton£535k
Median resale price of houses each year here and across Sutton, 1995 to 2026 (HM Land Registry Price Paid Data: standard sales, new builds left out). Years with fewer than 10 sales here are left out. 2026 is the year so far (dashed).
Flat prices: St Helier South against Sutton: This neighbourhood £101k (2002) to £273k (2025); Sutton £120k (2002) to £295k (2026).£125k£270k2026202220182014201020062002This neighbourhood£273kSutton£295k
Median resale price of flats each year here and across Sutton, 2002 to 2026 (HM Land Registry Price Paid Data: standard sales, new builds left out). Years with fewer than 10 sales here are left out. 2026 is the year so far (dashed).

Source: HM Land Registry Price Paid Data, held locally and checked 13 October 2026. Medians each year, not a valuation of any home.

How the area is changing, signal by signal

1 of 20 counted signals point towards rising affluence against Sutton, 3 the other way and 16 in line. A reading of official statistics against the borough, not a prediction; a full report shows every signal's figures and weight. Where this reading sits among every neighbourhood in England and Wales: the gentrification league table.

Rising against the borough

  • Homes selling

Falling behind the borough

  • Recorded crime
  • Income deprivation ranking
  • Home improvement applications

Stations and schools nearby

Nearest station

  • Sutton Common Railway station, about a 15-minute walk from the neighbourhood's centre (1.2 km in a straight line). About 4 trains an hour leave between 07:00 and 19:00 on a weekday: Thameslink to St Albans City (about 88 min) and Sutton (London) (about 7 min).

Station locations: NaPTAN (Department for Transport). Trains: Network Rail's timetable for Tuesday 6 October 2026, with the timetabled minutes of direct trains; timetabled, not live running. Distances from the neighbourhood's centre in a straight line, walked at 4.8 km/h; the real route is longer.

Nearest state schools

  • Nearest state primary school Tweeddale Primary School 420 m from the neighbourhood's centre. Ofsted: Good (Jul 2024).
  • Nearest state secondary school Greenshaw High School 740 m from the neighbourhood's centre. Ofsted: No overall grade: Outstanding in 3 areas, Good in 1 (Oct 2024).

Schools: Department for Education, Get Information about Schools (11 October 2026); inspections: Ofsted's management information as at 31 August 2026, in Ofsted's own words. Straight-line distances; not a catchment or admissions assessment.

Questions about St Helier South

What is the typical house price in St Helier South?

£425,000. Median resale price of houses in the neighbourhood, 2023-2025; +23% against 2017-2019.

How does St Helier South compare with the rest of Sutton?

Typical house price: 2nd lowest of 24 neighbourhoods in Sutton. Typical flat price: the lowest of 24 neighbourhoods in Sutton. Average household income: 2nd lowest of 24 neighbourhoods in Sutton.

Is St Helier South an affluent area?

Middle income. How well off the neighbourhood is now, from household income, home prices and deprivation.

Is St Helier South gentrifying?

Moving the other way. Weighted balance -0.15; 1 of 20 signals up, 3 down, against the borough.

What is the nearest station to St Helier South?

Sutton Common. Railway station, about a 15-minute walk from the neighbourhood's centre (1.2 km in a straight line). About 4 trains an hour leave between 07:00 and 19:00 on a weekday: Thameslink to St Albans City (about 88 min) and Sutton (London) (about 7 min).

Which state schools are nearest to St Helier South?

Nearest state primary school. Tweeddale Primary School. 420 m from the neighbourhood's centre. Ofsted: Good (Jul 2024). Nearest state secondary school. Greenshaw High School. 740 m from the neighbourhood's centre. Ofsted: No overall grade: Outstanding in 3 areas, Good in 1 (Oct 2024).

Each answer repeats a figure shown above, with its source there.

Thinking of buying in St Helier South?

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Neighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Contains public sector information (MHCLG, Police.uk, Ofsted, Department for Education) licensed under the Open Government Licence v3.0. Station locations from NaPTAN (Department for Transport), Open Government Licence v3.0. Trains: contains information of Network Rail Infrastructure Limited licensed under the Open Government Licence v3.0. Figures describe the area, not any home, and are not a valuation or a prediction.