Compare

Thornbury

Town

Town in South Gloucestershire, South West.

Thornbury is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Thornbury 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 100% of people in Thornbury live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£341,000
301st most expensive of 1,092
Worked out by Open Index
Population
14,483
486th least populated of 1,209
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
91.5%
UK 87.8%
Ofcom · Jan 2026

How Thornbury compares

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

ThornburyMiddle
Median sale price116 towns, South West · 2025
Median sale price: every town in South West116 areas from £195,000 to £448,750. The middle area is £286,875. Thornbury is £341,000.
£341,00024th most expensive
Population116 towns, South West · 2021
Population: every town in South West116 areas from 7,704 to 425,196. The middle area is 14,963. Thornbury is 14,483.
14,48357th least populated
People in radon Affected Area squares116 towns, South West · 2022
People in radon Affected Area squares: every town in South West116 areas from 0.0% to 100.0%. The middle area is 97.5%. Thornbury is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage116 towns, South West · Jan 2026
Gigabit broadband coverage: every town in South West116 areas from 28.0% to 99.0%. The middle area is 89.3%. Thornbury is 91.5%.
91.5%joint 47th highest

Is Thornbury safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Thornbury at a rate of 70.4 per 1,000 people.

That compares with 83.5 per 1,000 people across South West.

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

In August 2026 alone, 66 cases of crime and anti-social behaviour were recorded in Thornbury.

In the 12 months to August 2026, the most common types were violence and sexual offences (470), other crime (193) and anti-social behaviour (176).

A year earlier, the recorded crime rate in Thornbury was 63.7 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 Thornbury, neighbourhood by neighbourhood

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

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

Neighbourhoods in Thornbury

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
South Gloucestershire 001A1,30738.0 per 1,00010100.0%
South Gloucestershire 001B1,67860.2 per 1,000695.0%
South Gloucestershire 001C2,45872.2 per 1,0001098.5%
South Gloucestershire 001D1,73422.6 per 1,0001094.5%
South Gloucestershire 001E2,260106.2 per 1,000581.9%
South Gloucestershire 002A1,45845.6 per 1,0001097.6%
South Gloucestershire 002B2,195165.8 per 1,000375.5%
South Gloucestershire 002C1,43228.2 per 1,0001099.7%
South Gloucestershire 002D1,63654.6 per 1,000881.3%

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 Thornbury1

Middle areas in Thornbury2

Towns near Thornbury6

Thornbury in brief

Thornbury is a town in South Gloucestershire, South West.

About 15,120 people lived in Thornbury in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £341,000 in 2025 across 239 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 70.4 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in Thornbury was £341,000 in 2025.

Thornbury had 14,483 usual residents at the census.

About 100% of people in Thornbury live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Thornbury, 91.5% of homes and businesses could get gigabit-capable broadband in January 2026.