UK · EN

South Balham
vs Trinity

South Balham has the younger population: 30% of residents are aged 15–29, against 28% in Trinity. Homes in South Balham sold for a median of £615,000, in line with Trinity. South Balham has more green space nearby (13% within 500 m, against 8%).

Map of Wandsworth with South Balham highlighted
128 postcodes
Map of Wandsworth with Trinity highlighted
187 postcodes
Map of Wandsworth
city average

People

South Balham has 9,829 residents in 4,422 households; Trinity has 10,039 in 4,446. The share of residents aged 65 and over is about the same in both (9% and 10%). South Balham has the higher share of people living alone: 34%, 1 percentage point more than Trinity (Wandsworth: 30%).

9,829Residents (2021)
10,039Residents (2021)
327,506Residents (2021)
4,422Households
4,446Households
137,392Households
30.0%Aged 15–29
27.5%Aged 15–29
25.8%Aged 15–29
9.3%Aged 65 and over
9.8%Aged 65 and over
9.6%Aged 65 and over
33.8%Living alone
32.8%Living alone
29.9%Living alone

Homes and prices

In both, flats are the most common type of home: 26% of homes in South Balham and 41% in Trinity. Trinity has the higher share of owner-occupied homes: 48%, 5.2 percentage points more than South Balham (Wandsworth: 43%). Trinity has the higher share of private renting: 39%, 1.6 percentage points more than South Balham (Wandsworth: 36%). Over two years, homes sold for a median of £615,000 in South Balham and £600,000 in Trinity, against £640,000 across Wandsworth.

£615,000Median sale price
£600,000Median sale price
£640,000Median sale price
43.0%Owner-occupied
48.2%Owner-occupied
42.5%Owner-occupied
37.6%Private renting
39.2%Private renting
36.3%Private renting
19.0%Social renting
11.4%Social renting
19.3%Social renting
1.0%Detached houses
3.1%Detached houses
2.2%Detached houses
6.9%Semi-detached houses
11.9%Semi-detached houses
7.0%Semi-detached houses
18.3%Terraced houses
18.8%Terraced houses
22.2%Terraced houses
25.5%Flats
40.9%Flats
48.1%Flats

Surroundings

South Balham has the higher share of land within 500 m that is green space: 13%, 5.9 percentage points more than Trinity (Wandsworth: 12%). A typical postcode has 282 everyday shops and services within a 15-minute walk in South Balham, and 295 in Trinity. The typical postcode is 348 m from the nearest school in South Balham and 252 m in Trinity. The typical postcode is 463 m from the nearest tram stop or railway station in South Balham and 408 m in Trinity. Gigabit-capable broadband reaches 89% of premises in South Balham and 96% in Trinity.

13.4%Green space within 500 m
7.5%Green space within 500 m
11.6%Green space within 500 m
282Services within 15 min (median)
295Services within 15 min (median)
346Services within 15 min (median)
348 mNearest school (median)
252 mNearest school (median)
–Nearest school (median)
463 mNearest tram or rail (median)
408 mNearest tram or rail (median)
–Nearest tram or rail (median)
0Postcodes in flood risk areas
0Postcodes in flood risk areas
1,194Postcodes in flood risk areas
88.6%Gigabit broadband (premises)
95.9%Gigabit broadband (premises)
89.5%Gigabit broadband (premises)

Safety

Over 12 months, police recorded 73 crimes and incidents per 1,000 residents in South Balham and 85 in Trinity, against 101 across Wandsworth. Police.uk records crimes by approximate location, not by where victims or offenders live. Busy streets, shops, stations and nightlife record more. Figures are counts, not a measure of personal risk.

73Recorded crime per 1,000 residents
85Recorded crime per 1,000 residents
101Recorded crime per 1,000 residents

Sources: Census 2021 (ONS) · HM Land Registry Price Paid Data · official school registers · © OpenStreetMap contributors · Environment Agency · data.police.uk, 12 months to Aug 2026 · Ofcom Connected Nations

In brief.

Each ward in a few lines, from its own page.

South Balham

South Balham is one of 22 wards in Wandsworth, home to 9,829 people in 4,422 households (Census 2021). Homes sold for a median of £615,000 over the past two years, 4% below the Wandsworth median. On average 13% of the land within 500 metres of a home postcode is green space — 16% above the Wandsworth average.

Trinity

Trinity is one of 22 wards in Wandsworth, home to 10,039 people in 4,446 households (Census 2021). Homes sold for a median of £600,000 over the past two years, 6% below the Wandsworth median. On average 8% of the land within 500 metres of a home postcode is green space — 35% below the Wandsworth average.

More comparisons.

South Balham and Trinity next to other wards of Wandsworth.