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Sunbury-on-Thames

Town

Town in Spelthorne, South East.

Sunbury-on-Thames is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Sunbury-on-Thames add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.

Open in map

Radon Affected Area by town

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Sunbury-on-Thames live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£499,975
80th most expensive of 1,092
Worked out by Open Index
Population
21,476
506th most populated of 1,209
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
95.8%
UK 87.8%
Ofcom · Jan 2026

How Sunbury-on-Thames compares

Each dot is a town. The black line marks the middle one.

Sunbury-on-ThamesMiddle
Median sale price209 towns, South East · 2025
Median sale price: every town in South East209 areas from £215,500 to £1,300,000. The middle area is £393,500. Sunbury-on-Thames is £499,975.
£499,97540th most expensive
Population209 towns, South East · 2021
Population: every town in South East209 areas from 7,523 to 277,096. The middle area is 20,220. Sunbury-on-Thames is 21,476.
21,476101st most populated
People in radon Affected Area squares209 towns, South East · 2022
People in radon Affected Area squares: every town in South East209 areas from 0.0% to 100.0%. The middle area is 36.0%. Sunbury-on-Thames is 0.0%.
0%joint fewest people in radon Affected Areas
Gigabit broadband coverage209 towns, South East · Jan 2026
Gigabit broadband coverage: every town in South East209 areas from 64.6% to 99.6%. The middle area is 90.4%. Sunbury-on-Thames is 95.8%.
95.8%35th highest

Is Sunbury-on-Thames safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Sunbury-on-Thames at a rate of 84.5 per 1,000 people.

That compares with 81.3 per 1,000 people across South East.

Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.

In August 2026 alone, 168 cases of crime and anti-social behaviour were recorded in Sunbury-on-Thames.

In the 12 months to August 2026, the most common types were violence and sexual offences (721), other crime (412) and anti-social behaviour (255).

A year earlier, the recorded crime rate in Sunbury-on-Thames was 79.7 per 1,000 people.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Deprivation in Sunbury-on-Thames, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so Sunbury-on-Thames has no single figure. Of its 13 neighbourhoods with a rank:
  • Decile 3: 1 neighbourhood
  • Decile 4: 2 neighbourhoods
  • Decile 5: 1 neighbourhood
  • Decile 6: 4 neighbourhoods
  • Decile 8: 1 neighbourhood
  • Decile 9: 3 neighbourhoods
  • Decile 10 (England’s least deprived 10%): 1 neighbourhood

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in Sunbury-on-Thames

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Spelthorne 006E2,11072.1 per 1,000584.5%
Spelthorne 008A1,77858.4 per 1,000699.3%
Spelthorne 008B1,57695.8 per 1,000499.4%
Spelthorne 008C1,55278.5 per 1,000498.1%
Spelthorne 008D1,81997.3 per 1,000698.2%
Spelthorne 008E1,788143.7 per 1,000396.4%
Spelthorne 010A1,81189.4 per 1,000987.8%
Spelthorne 010B2,20457.6 per 1,000998.2%
Spelthorne 010C2,073114.9 per 1,000684.1%
Spelthorne 010D1,65428.6 per 1,0001096.6%
Spelthorne 011A1,66263.3 per 1,000680.2%
Spelthorne 011B1,363102.9 per 1,0008100.0%
Spelthorne 011D1,83574.5 per 1,000996.7%

Your MP

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Council1

Postcode districts covering Sunbury-on-Thames1

Middle areas in Sunbury-on-Thames3

Towns near Sunbury-on-Thames6

Sunbury-on-Thames in brief

Sunbury-on-Thames is a town in Spelthorne, South East.

About 22,113 people lived in Sunbury-on-Thames in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £499,975 in 2025 across 282 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 84.5 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in Sunbury-on-Thames was £499,975 in 2025.

Sunbury-on-Thames had 21,476 usual residents at the census.

About 0% of people in Sunbury-on-Thames live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Sunbury-on-Thames, 95.8% of homes and businesses could get gigabit-capable broadband in January 2026.