DA
Postcode areaPostcode area named after Dartford, with 18 districts.
Approximate outline worked out by Open Index from the ONS Postcode Directory: the outline joins its districts’ outlines, each made of the census output areas that hold most of the district’s postcodes.
Radon Affected Area by postcode area
Worked out by Open Index · 2022
About 68% of people in DA live in a 1 km square that the radon atlas marks as a radon Affected Area.
How DA compares
Each dot is a postcode area. The black line marks the middle one.
Every postcode area ranked: median sale price, population, people in radon affected area squares and gigabit broadband coverage.
Is DA safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in DA at a rate of 87.9 per 1,000 people.
In August 2026 alone, 3,695 cases of crime and anti-social behaviour were recorded in DA.
In the 12 months to August 2026, the most common types were violence and sexual offences (13,507), anti-social behaviour (8,405) and other crime (6,484).
A year earlier, the recorded crime rate in DA was 90.7 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.
Postcode districts in DA
| Name | People (census) | Median sale price | Recorded crime per 1,000 |
|---|---|---|---|
| DA1Dartford, Temple Hill | 65,309 | £370,000 | 98.4 per 1,000 |
| DA2Dartford, Fleet-Downs | 25,277 | £400,000 | 101.8 per 1,000 |
| DA3Hartley, New Barn | 16,482 | £469,875 | 62.3 per 1,000 |
| DA4South Darenth, Eynsford | 9,224 | £385,000 | 69.6 per 1,000 |
| DA5Bexley, Joyden's Wood | 20,964 | £525,000 | 44.0 per 1,000 |
| DA6Bexleyheath | 11,533 | £420,000 | 96.7 per 1,000 |
| DA7Bexleyheath, Barnehurst | 36,778 | £480,000 | 78.4 per 1,000 |
| DA8Northumberland Heath, Erith | 37,735 | £365,000 | 99.3 per 1,000 |
| DA9Swanscombe, Stone | 14,456 | £365,000 | 204.2 per 1,000 |
| DA10Ebbsfleet Valley, Knockhall | 11,351 | £325,000 | 85.4 per 1,000 |
| DA11Northfleet, New House | 41,213 | £325,000 | 110.6 per 1,000 |
| DA12Gravesend, Windmill Hill | 49,886 | £355,000 | 92.8 per 1,000 |
| DA13Hook Green, Istead Rise | 14,188 | £525,000 | 42.5 per 1,000 |
| DA14Sidcup, Foots Cray | 23,101 | £408,000 | 80.5 per 1,000 |
| DA15Blackfen, Sidcup | 29,384 | £458,500 | 53.7 per 1,000 |
| DA16Welling, Falconwood | 37,556 | £465,750 | 61.2 per 1,000 |
| DA17Lower Belvedere, Lessness Heath | 19,998 | £370,000 | 90.7 per 1,000 |
| DA18Lower Belvedere, Thamesmead | 5,299 | £255,000 | 99.9 per 1,000 |
DA in brief
The DA postcode area, named after Dartford, has 18 postcode districts.
The median price paid for a home in DA was £405,000 in 2025.
DA had 469,734 usual residents at the census.
About 68% of people in DA live in a 1 km square that the radon atlas marks as a radon Affected Area.
In DA, 87.8% of homes and businesses could get gigabit-capable broadband in January 2026.