St Helier area report

Highlights

St Helier is a residential neighbourhood in London with a population of 8,771. The median property price is £420,000, with 120 sales in the past 12 months and prices at £4,187 per square metre. Terraced homes dominate the market at 110 sales with a median of £420,000. Deprivation is relatively low; about 25 percent of neighbourhoods in England are more deprived. The population has a median age of 35.6 years, with 46.5 percent of homes owner-occupied. Air quality is moderate, with nitrogen dioxide at 14.7 micrograms per cubic metre and particulate matter at 7.8. Broadband is excellent, with 99.8 percent superfast coverage and 97.8 percent gigabit access. The area falls within the London Borough of Sutton under Liberal Democrat control. Council tax for band D properties is £2,378.64 annually. St Helier is within one conservation area, Wandle Valley.

Data updated 2026/2025. St Helier, London — a free, sourced local-area report from Acreright. Every figure shows its source and date; where the data isn't reliable we say so rather than guess.

This district. Figures below lead with St Helier’s own data where it exists; wider-area statistics are clearly labelled.

Within London, St Helier ranks 8th cheapest of 33, 3rd safest and 11th most affordable.

What does it cost?

• £420,000 median home price (HM Land Registry Price Paid, May 2026) Across this district

Sold prices in St Helier have risen 19% over the last five years (UK House Price Index).

Who lives here?

• 8,771 residents (ONS Census 2021 (Nomis), 2021) Across this district

About 25% of neighbourhoods in England are more deprived than St Helier (English Indices of Deprivation, decile 3 of 10, national basis). Little changed since 2019 (decile 3).

Schools

• 100% of inspected schools rated Good or Outstanding (Get Information About Schools (GIAS) + Ofsted inspections MI, 2026) Across this district

Getting around

• ≈29 min fastest train to London (OpenStreetMap + National Rail timetable (ATOC/RDG, GTFS), 2026) This district
• 98% of premises can get gigabit broadband (Ofcom Connected Nations, 2024) Across this district

Has it been a good investment?

Investment context: a gross rental yield of about 5.4% (area median rent against the median sold price) — appraise a specific property at /appraisal/st helier.

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Nearby areas we cover: St Helier, Rosehill, Hackbridge.