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St Helier South

Interactive map displaying St Helier South

About

St Helier South lies within the St Helier estate in the London Borough of Merton. The area is mainly residential, developed by the London County Council as a cottage estate in the 1930s. Streets are lined with semi-detached houses and short terraces set behind small front gardens and verges. Local provision includes primary schools, a community centre and several parades of shops serving daily needs. Public transport is bus based, with routes crossing the estate and connecting to wider parts of the borough.

Open space in St Helier South is provided by a series of pocket parks and playgrounds woven into the estate plan, giving short walks to green areas from most homes. A surviving element of the original layout is the use of curved residential roads and small formal squares, which produce sheltered pedestrian routes and short cul-de-sacs rather than a strict grid. Housing stock shows visible 1930s details such as bay windows and timber porches on many properties. Local groups and the council manage community activities and repairs, making the area function as a residential neighbourhood within Merton.

Area overview

On average St Helier South has high deprivation and high crime levels, with around 90 crimes per 1,000 residents per year. Approximately 38.9% of homes in this area are social housing provided by a local council or housing association. The average income per household in St Helier South is £66,401 per year. There are 2 schools in St Helier South: 2 primary (0 Outstanding and 2 Good) and 0 secondary (0 Outstanding and 0 Good). On average most houses in area has low public transport connectivity. St Helier South is home to around 9,188 people, with a population density of about 7,954.3 per km2.

Crime rate
7/10
Crimes per 1k residents
90
Deprivation level
8/10
Income level
3/10
Social housing
38.9%
Connectivity
4/10

Area Profile

St Helier South Population
9,188
Population density
7,954.3 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
48.65(+60%)
Anti-social behaviour
19.81(-26%)
Public order
8.71(+31%)
Other theft
6.53(-44%)
Criminal damage and arson
6.42(+12%)
London average

Demographics

Ethnic groups

British
4,800
52.24%
Other White
968
10.53%
Other Asian
924
10.06%
African
452
4.92%
Pakistani
354
3.85%
Total population: 9,189

Economics

Education (age 16+)

Level 4+ (Degree)
2,068
28.93%
No qualifications
1,591
22.25%
Level 3 (A level)
1,088
15.22%
Level 2 (GCSEs 9-4)
1,000
13.99%
Level 1 (GCSEs 3-1)
851
11.9%
Total 16+ residents: 7,149

Housing

Housing tenure

Owns with a mortgage
991
29.99%
Social rents from council
969
29.33%
Owns outright
500
15.13%
Private landlord or letting agency
438
13.26%
Other social rented
306
9.26%
Total households: 3,304

Property prices in St Helier South

Based on 55 recent sales, the median property price is £425,000 in St Helier South area, with individual transactions ranging from £148,000 up to £780,000.

Price distribution per property type (last year)

Price distribution by property type for St Helier South in the last year.

Median sale price and percentiles per property type (last year)

Median sale price, sales count, and percentile information for each property type in St Helier South over the last year.
TypeSalesMedian
Flats9£261,000
Semi-Detached4£555,500
Terraced42£429,000

10 years median price trend in St Helier South

Ten year median sale price trend for each property type in St Helier South.

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/01/2026.