DA3
Postcode districtPostcode district covering Hartley, New Barn and New Ash Green, in Sevenoaks and Dartford.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an DA3 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 96% of people in DA3 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How DA3 compares
Each dot is a postcode district. The black line marks the middle one.
Is DA3 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in DA3 at a rate of 62.3 per 1,000 people.
That compares with 87.9 per 1,000 people across the DA postcode area.
In August 2026 alone, 78 cases of crime and anti-social behaviour were recorded in DA3.
In the 12 months to August 2026, the most common types were violence and sexual offences (259), anti-social behaviour (231) and shoplifting (194).
A year earlier, the recorded crime rate in DA3 was 61.3 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 DA3, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so DA3 has no single figure. Of its 11 neighbourhoods with a rank:
- Decile 3: 1 neighbourhood
- Decile 4: 1 neighbourhood
- Decile 5: 1 neighbourhood
- Decile 6: 1 neighbourhood
- Decile 7: 1 neighbourhood
- Decile 8: 2 neighbourhoods
- 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 DA3
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Dartford 013B | 2,034 | 177.6 per 1,000 | 7 | 92.0% |
| Dartford 013C | 1,578 | 36.7 per 1,000 | 8 | 47.1% |
| Dartford 013D | 1,416 | 47.9 per 1,000 | 9 | 61.9% |
| Sevenoaks 004A | 1,559 | 25.3 per 1,000 | 9 | 54.6% |
| Sevenoaks 004B | 1,549 | 35.5 per 1,000 | 8 | 40.4% |
| Sevenoaks 004C | 1,522 | 25.7 per 1,000 | 10 | 35.6% |
| Sevenoaks 004D | 1,301 | 63.2 per 1,000 | 3 | 49.8% |
| Sevenoaks 016A | 1,608 | 90.0 per 1,000 | 4 | 85.2% |
| Sevenoaks 016B | 1,601 | 41.2 per 1,000 | 6 | 90.5% |
| Sevenoaks 016C | 1,306 | 25.3 per 1,000 | 9 | 99.1% |
| Sevenoaks 016D | 1,554 | 42.1 per 1,000 | 5 | 77.9% |
MPs for DA3
- Tom TugendhatConservativeMP for Tonbridge57% of DA3’s postcodes
- Jim DicksonLabourMP for Dartford30% of DA3’s postcodes
- Laura TrottConservativeMP for Sevenoaks11% of DA3’s postcodes
- Dr Lauren SullivanLabourMP for Gravesham0.8% of DA3’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in DA33
Postcode sectors in DA33
Councils DA3 covers2
Towns in DA31
Postcode districts next to DA34
Nearest rail stations4
More in the DA postcode area2
DA3 in brief
DA3 is a postcode district covering Hartley, New Barn and New Ash Green, in Sevenoaks and Dartford.
About 16,620 people lived in DA3 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £469,875 in 2025 across 284 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 62.3 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in DA3 was £469,875 in 2025.
DA3 had 16,482 usual residents at the census.
About 96% of people in DA3 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In DA3, 65.8% of homes and businesses could get gigabit-capable broadband in January 2026.