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DA4

Postcode district

Postcode district covering South Darenth, Eynsford and Farningham, 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 DA4 postcode. How census figures are added up

Open in map

Radon Affected Area by postcode district

Worked out by Open Index · 2022

Under 1%90% or more

About 100% of people in DA4 live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£385,000
Joint 643rd most expensive of 2,235
Worked out by Open Index
Population
9,224
678th least populated of 2,756
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
71.0%
UK 87.8%
Ofcom · Jan 2026

How DA4 compares

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

DA4Middle
Median sale price18 postcode districts, DA · 2025
Median sale price: every postcode district in DA18 areas from £255,000 to £525,000. The middle area is £392,500. DA4 is £385,000.
£385,0009th cheapest
Population18 postcode districts, DA · 2021
Population: every postcode district in DA18 areas from 5,299 to 65,309. The middle area is 22,033. DA4 is 9,224.
9,2242nd least populated
People in radon Affected Area squares18 postcode districts, DA · 2022
People in radon Affected Area squares: every postcode district in DA18 areas from 0.0% to 100.0%. The middle area is 88.0%. DA4 is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage18 postcode districts, DA · Jan 2026
Gigabit broadband coverage: every postcode district in DA18 areas from 65.6% to 98.5%. The middle area is 88.0%. DA4 is 71.0%.
71.0%3rd lowest

Is DA4 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in DA4 at a rate of 69.6 per 1,000 people.

That compares with 87.9 per 1,000 people across the DA postcode area.

In August 2026 alone, 83 cases of crime and anti-social behaviour were recorded in DA4.

In the 12 months to August 2026, the most common types were violence and sexual offences (174), anti-social behaviour (138) and other crime (124).

A year earlier, the recorded crime rate in DA4 was 71.9 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 DA4, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so DA4 has no single figure. Of its 6 neighbourhoods with a rank:
  • Decile 5: 3 neighbourhoods
  • Decile 6: 2 neighbourhoods
  • Decile 7: 1 neighbourhood

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

Neighbourhoods in DA4

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Dartford 012D1,15755.3 per 1,000580.1%
Dartford 012E1,29733.1 per 1,000681.4%
Sevenoaks 005A1,86472.0 per 1,000789.1%
Sevenoaks 005B1,50763.9 per 1,000557.3%
Sevenoaks 005C1,45891.9 per 1,000669.7%
Sevenoaks 005D1,94285.7 per 1,000554.2%

MPs for DA4

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 DA41

Postcode sectors in DA42

Councils DA4 covers2

Postcode districts next to DA46

Nearest rail stations4

More in the DA postcode area2

DA4 in brief

DA4 is a postcode district covering South Darenth, Eynsford and Farningham, in Sevenoaks and Dartford.

About 9,331 people lived in DA4 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £385,000 in 2025 across 153 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 69.6 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in DA4 was £385,000 in 2025.

DA4 had 9,224 usual residents at the census.

About 100% of people in DA4 live in a 1 km square that the radon atlas marks as a radon Affected Area.

In DA4, 71.0% of homes and businesses could get gigabit-capable broadband in January 2026.