5,600 people · median £418,000 · Merton
Tiles show neighbourhood’s own prices and crime; schools, transport, health & amenities are shown for the wider area — each tab labels its source.
Sold price trend +26.2%
The neighbourhood at a glance each strip is where St Helier sits on the Merton range — click through for the full section
The area in short neighbourhood AI summary
St Helier is a London neighbourhood with a population of 5,600. The median property price is £418,000, with flats at £240,000 and detached homes at £665,000. About 45 of neighbourhoods in England are more deprived than here.
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Air quality is moderate, with nitrogen dioxide at 14.9 and particulate matter at 7.9 annual means. There is no flood risk in the area. Broadband connectivity is strong: 97.3 gigabit and ultrafast coverage, with 100.0 superfast availability. The median age is 38.7 years. Owner-occupied homes account for 58.7 of households. The ward is Ravensbury, within the London Borough of Merton and Mitcham and Morden constituency. Council tax band D is £2,140.52 for 2026/27.
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