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St Mary Cray South

Middle area

North east Bromley. 8,381 people (mid-2024 estimate) in 1.9 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

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

Median sale price
£450,000
Joint 1,346th most expensive of 7,259
Worked out by Open Index
Population
8,166
Joint 3,264th most populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
99.3%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in St Mary Cray South

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in St Mary Cray South at a rate of 85.7 per 1,000 people.

That compares with 86.7 per 1,000 people across Bromley.

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

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences199
Anti-social behaviour166
Vehicle crime133
Other crime101
Criminal damage and arson34
Drug offences32
Burglary27
Shoplifting15
Robbery6
Theft from the person5

Source: police.uk, 12 months to August 2026

How St Mary Cray South compares

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

St Mary Cray SouthMiddle
Median sale price39 middle areas, Bromley · 2025
Median sale price: every middle area in Bromley39 areas from £366,500 to £835,000. The middle area is £550,000. St Mary Cray South is £450,000.
£450,0009th cheapest
Population39 middle areas, Bromley · 2021
Population: every middle area in Bromley39 areas from 5,745 to 12,292. The middle area is 8,190. St Mary Cray South is 8,166.
8,16619th least populated
People in radon Affected Area squares39 middle areas, Bromley · 2022
People in radon Affected Area squares: every middle area in Bromley39 areas from 0.0% to 100.0%. The middle area is 33.0%. St Mary Cray South is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage39 middle areas, Bromley · Jan 2026
Gigabit broadband coverage: every middle area in Bromley39 areas from 79.9% to 99.7%. The middle area is 94.2%. St Mary Cray South is 99.3%.
99.3%3rd highest

Is St Mary Cray South safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in St Mary Cray South at a rate of 85.7 per 1,000 people.

That compares with 86.7 per 1,000 people across Bromley.

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

In August 2026 alone, 61 cases of crime and anti-social behaviour were recorded in St Mary Cray South.

In the 12 months to August 2026, the most common types were violence and sexual offences (199), anti-social behaviour (166) and vehicle crime (133).

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.

Figures for the whole of Bromley

These figures are published for the whole of Bromley, not for each middle area, so they describe all of Bromley and not St Mary Cray South alone. See Bromley

Average house price
£520,253
Down 0.5% in a year
HM Land Registry · Aug 2026
Median full-time pay
£51,225
11th highest paid of 348
ONS earnings survey · 2025
House price to pay
10.2×
Joint 46th least affordable of 348
Worked out by Open Index
Deprivation score
12.7
Joint 57th least deprived of 296
MHCLG · England only
St Mary Cray South in brief

The median price paid for a home in St Mary Cray South was £450,000 in 2025.

St Mary Cray South had 8,166 usual residents at the census.

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

In St Mary Cray South, 99.3% of homes and businesses could get gigabit-capable broadband in January 2026.