Balham
vs Trinity

Balham has the younger population: 30% of residents are aged 15–29, against 28% in Trinity. Homes in Balham sold for a median of £752,000, 25% above Trinity. Trinity has more green space nearby (8% within 500 m, against 7%).

Balham

319 postcodes

Trinity

187 postcodes

Wandsworth

city average

People

Balham has 17,709 residents in 7,410 households; Trinity has 10,039 in 4,446. The share of residents aged 65 and over is about the same in both (10% and 10%). Trinity has the higher share of people living alone: 33%, 4.9 percentage points more than Balham (Wandsworth: 30%).

17,709Residents (2021)

10,039Residents (2021)

327,506Residents (2021)

7,410Households

4,446Households

137,392Households

30.2%Aged 15–29

27.5%Aged 15–29

25.8%Aged 15–29

9.6%Aged 65 and over

9.8%Aged 65 and over

9.6%Aged 65 and over

27.9%Living alone

32.8%Living alone

29.9%Living alone

Homes and prices

In both, flats are the most common type of home: 29% of homes in Balham and 41% in Trinity. Balham has the higher share of owner-occupied homes: 50%, 1.4 percentage points more than Trinity (Wandsworth: 43%). Trinity has the higher share of private renting: 39%, 1.6 percentage points more than Balham (Wandsworth: 36%). Over two years, homes sold for a median of £752,000 in Balham and £600,000 in Trinity, against £640,000 across Wandsworth.

£752,000Median sale price

£600,000Median sale price

£640,000Median sale price

49.6%Owner-occupied

48.2%Owner-occupied

42.5%Owner-occupied

37.6%Private renting

39.2%Private renting

36.3%Private renting

11.8%Social renting

11.4%Social renting

19.3%Social renting

2.0%Detached houses

3.1%Detached houses

2.2%Detached houses

9.5%Semi-detached houses

11.9%Semi-detached houses

7.0%Semi-detached houses

27.9%Terraced houses

18.8%Terraced houses

22.2%Terraced houses

29.2%Flats

40.9%Flats

48.1%Flats

Surroundings

The share of land within 500 m that is green space is about the same in both (7% and 8%). A typical postcode has 279 everyday shops and services within a 15-minute walk in Balham, and 295 in Trinity. The typical postcode is 232 m from the nearest school in Balham and 252 m in Trinity. The typical postcode is 388 m from the nearest tram stop or railway station in Balham and 408 m in Trinity. Gigabit-capable broadband reaches 94% of premises in Balham and 96% in Trinity.

7.2%Green space within 500 m

7.5%Green space within 500 m

11.6%Green space within 500 m

279Services within 15 min (median)

295Services within 15 min (median)

346Services within 15 min (median)

232 mNearest school (median)

252 mNearest school (median)

–Nearest school (median)

388 mNearest tram or rail (median)

408 mNearest tram or rail (median)

–Nearest tram or rail (median)

0Postcodes in flood risk areas

1,194Postcodes in flood risk areas

94.4%Gigabit broadband (premises)

95.9%Gigabit broadband (premises)

89.5%Gigabit broadband (premises)

Safety

Over 12 months, police recorded 124 crimes and incidents per 1,000 residents in 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.

124Recorded 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.

Balham

Balham is one of 22 wards in Wandsworth, home to 17,709 people in 7,410 households (Census 2021). Homes sold for a median of £752,000 over the past two years, 18% above the Wandsworth median. On average 7% of the land within 500 metres of a home postcode is green space — 38% below 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.

Balham and Trinity next to other wards of Wandsworth.

Balham vs South Balham Balham vs Northcote Balham vs Lavender Trinity vs South Balham Trinity vs Tooting Bec Trinity vs Wandsworth Common All wards of Wandsworth

Balhamvs Trinity