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Family Area Report

SM4 St Helier — Family Area Report

St Helier · Merton

Council Tax Band D · 2025/26Merton£2,225/yr
Family densityHigh · 28–34%34.7% of households have dependent children
36
Family Score

Ranked against every London postcode we cover.

SM4 is the London postcode area covering St Helier in the London Borough of Merton. It scores 36/100 on our family-life index. It's strongest on safety (100/100) and weakest on schools (0/100). 1 schools sit within a mile, the Met recorded 0 incidents in 2026-05, and there are 0 parks within walking distance. The nearest central London hub is Waterloo in 46 min on the morning rush. 34.7% of households here have dependent children — high.

Schools0
Safety100
Amenities0
Green space0
Family density70
Commute70

Schools

1 within 1 mile

  • Poplar Primary School

    Primary · 598 pupils

    1143m

Source: DfE GIAS + Ofsted latest inspections · updated Jul 2026

Safety

0 incidents in May 2026

    Counts cover a single calendar month (May 2026) — the latest released by data.police.uk.

    Family life

    Within 1km

    Parks
    0
    GP surgeries
    0
    Libraries
    0
    Supermarkets
    2

    Sources: NHS ODS (GPs) · FSA (supermarkets) · OpenStreetMap (parks, libraries)

    Commute

    6 central London hubs · Morning rush

    Slow · 46–55 min
    WaterlooFastest
    46 min
    via Thameslink & South Western Railway
    King's Cross
    54 min
    via Northern & Victoria
    Liverpool Street
    56 min
    via Northern & Metropolitan
    Canary Wharf
    64 min
    via Northern & Jubilee
    Paddington
    62 min
    via Northern & Victoria & Bakerloo
    Victoria
    46 min
    via Northern & Victoria

    Door-to-door, arriving by 08:15 on a weekday. Source: TfL Journey Planner. Nearest hub: Waterloo in 46 min.

    How this is built.

    Scores are percentiles within our London cohort: your score is relative to other London areas, not absolute. Schools come from the DfE GIAS register (open schools only). Crime is from data.police.uk, latest available month. Ofsted single-word judgements were withdrawn in Sept 2024. We'll add the new report-card grades as they roll out from late 2025.

    Family density is drawn from ONS Census 2021 household composition data at LSOA level. We map each postcode to its representative LSOA and rank it against the 32 London postcodes in our cohort.

    Commute times are pre-calculated via the TfL Journey Planner API for a weekday arrival at 08:15, from the centre of each postcode to Waterloo, King's Cross, Liverpool Street, Canary Wharf, Paddington and Victoria.

    • No GIAS schools matched outcode SM4. Rebuild src/data/london-schools.json if this outcode should be covered.

    SM4 — frequently asked questions

    The things families ask us most about St Helier, answered from the same data behind the scores above.

    Is SM4 a good area for families?
    SM4 (St Helier, Merton) scores 36/100 on our family-life index, making it a tougher sell among the London postcodes we cover. Schools score 0/100, safety 100/100, amenities 0/100, green space 0/100 and commute 70/100.
    What are the schools like in SM4?
    There are 1 schools within a mile of SM4, sourced from the DfE GIAS register with the latest Ofsted inspection attached. SM4 scores 0/100 on schools, ranked against every other London postcode in our cohort.
    How safe is SM4?
    The Metropolitan Police recorded 0 crime incidents in SM4 in May 2026 (the latest month released by data.police.uk). On our cohort-relative scale, SM4 scores 100/100 for safety.
    How long is the commute from SM4 to central London?
    Using the TfL Journey Planner for a weekday 08:15 arrival, the fastest of our six central London hubs from SM4 is Waterloo in about 46 minutes. We benchmark commute times to Waterloo, King's Cross, Liverpool Street, Canary Wharf, Paddington and Victoria.
    Do many families live in SM4?
    34.7% of households in SM4's representative LSOA have dependent children (ONS Census 2021), which we band as high (28–34%) versus the rest of London.

    Explore neighbouring postcodes

    Open a neighbour's full report, or see two areas side by side on the same yardstick.

    Nearby reports

    SM1Sutton Central· 36SM2Sutton South· 36SM3North Cheam· 36SM5Carshalton Central· 36SM6Wallington North· 36

    Head-to-head

    SM4 vs SM1SM4 vs SM2SM4 vs SM3SM4 vs SM5SM4 vs SM6

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