# DA15

Postcode district covering Blackfen, Sidcup and Longlands, in Bexley.

DA15 is a postcode district covering Blackfen, Sidcup and Longlands, in Bexley. Median sale price £458,500 in 2025. Recorded crime 53.7 per 1,000 people.

Postcode district. Code DA15. In: [Postcodes](https://openindex.co.uk/postcode) › [DA](https://openindex.co.uk/postcode/da)

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 DA15 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £458,500** (2025). The median price paid for a home in DA15 was £458,500 in 2025. 399th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/da15#f-house-sales-median-price
- **Population: 29,384** (2021). DA15 had 29,384 usual residents at the census (ONS Census 2021). 956th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/da15#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in DA15 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/da15#f-radon-affected-share
- **Gigabit broadband coverage: 94.2%** (January 2026). In DA15, 94.2% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/da15#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=DA15) (Worked out by Open Index · 2022): About 0% of people in DA15 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=DA15) (Worked out by Open Index · 2025): 460 homes were sold in DA15 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=DA15) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for DA15.
- [Population by postcode district](https://openindex.co.uk/map/population?place=DA15) (Census 2021, England and Wales): DA15 had 29,384 usual residents at the census.

## How DA15 compares

Each postcode district against every other postcode district the measure covers.

| Measure | DA15 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £458,500 | 6th most expensive | 18 postcode districts, DA · 2025 |
| Population | 29,384 | 7th most populated | 18 postcode districts, DA · 2021 |
| People in radon Affected Area squares | 0% | fewest people in radon Affected Areas | 18 postcode districts, DA · 2022 |
| Gigabit broadband coverage | 94.2% | 6th highest | 18 postcode districts, DA · Jan 2026 |

## Is DA15 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in DA15 at a rate of 53.7 per 1,000 people.
That compares with 87.9 per 1,000 people across the DA postcode area.
In August 2026 alone, 103 cases of crime and anti-social behaviour were recorded in DA15.
In the 12 months to August 2026, the most common types were violence and sexual offences (480), anti-social behaviour (374) and other crime (245).
A year earlier, the recorded crime rate in DA15 was 52.9 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 DA15, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so DA15 has no single figure. Of its 19 neighbourhoods with a rank:
- Decile 6: 1 neighbourhood
- Decile 7: 2 neighbourhoods
- Decile 8: 4 neighbourhoods
- Decile 9: 6 neighbourhoods
- Decile 10 (England’s least deprived 10%): 6 neighbourhoods

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

## Neighbourhoods in DA15

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Bexley 018A](https://openindex.co.uk/bexley/neighbourhood/e01000340) | 1,584 | 34.6 per 1,000 | 9 | 92.3% |
| [Bexley 018F](https://openindex.co.uk/bexley/neighbourhood/e01000413) | 1,347 | 49.7 per 1,000 | 8 | 96.6% |
| [Bexley 021A](https://openindex.co.uk/bexley/neighbourhood/e01000346) | 1,588 | 62.1 per 1,000 | 9 | 99.8% |
| [Bexley 021B](https://openindex.co.uk/bexley/neighbourhood/e01000347) | 1,521 | 76.2 per 1,000 | 8 | 95.3% |
| [Bexley 021C](https://openindex.co.uk/bexley/neighbourhood/e01000350) | 1,486 | 89.3 per 1,000 | 10 | 99.6% |
| [Bexley 021D](https://openindex.co.uk/bexley/neighbourhood/e01000352) | 1,618 | 71.9 per 1,000 | 6 | 97.7% |
| [Bexley 022A](https://openindex.co.uk/bexley/neighbourhood/e01000341) | 1,542 | 24.5 per 1,000 | 9 | 92.8% |
| [Bexley 022B](https://openindex.co.uk/bexley/neighbourhood/e01000342) | 1,524 | 65.8 per 1,000 | 9 | 88.0% |
| [Bexley 022C](https://openindex.co.uk/bexley/neighbourhood/e01000343) | 1,509 | 67.5 per 1,000 | 8 | 97.9% |
| [Bexley 022D](https://openindex.co.uk/bexley/neighbourhood/e01000345) | 1,342 | 17.5 per 1,000 | 10 | 99.6% |
| [Bexley 022E](https://openindex.co.uk/bexley/neighbourhood/e01000460) | 1,261 | 64.1 per 1,000 | 10 | 97.7% |
| [Bexley 024E](https://openindex.co.uk/bexley/neighbourhood/e01000461) | 1,637 | 23.4 per 1,000 | 10 | 97.3% |
| [Bexley 025A](https://openindex.co.uk/bexley/neighbourhood/e01000339) | 1,619 | 29.8 per 1,000 | 7 | 92.9% |
| [Bexley 025B](https://openindex.co.uk/bexley/neighbourhood/e01000344) | 1,592 | 63.7 per 1,000 | 9 | 98.9% |
| [Bexley 025D](https://openindex.co.uk/bexley/neighbourhood/e01000425) | 1,800 | 20.1 per 1,000 | 10 | 99.7% |
| [Bexley 025E](https://openindex.co.uk/bexley/neighbourhood/e01000463) | 1,251 | 15.8 per 1,000 | 10 | 98.5% |
| [Bexley 026A](https://openindex.co.uk/bexley/neighbourhood/e01000424) | 1,727 | 101.0 per 1,000 | 9 | 69.0% |
| [Bexley 026B](https://openindex.co.uk/bexley/neighbourhood/e01000426) | 1,672 | 48.3 per 1,000 | 8 | 96.6% |
| [Bexley 026E](https://openindex.co.uk/bexley/neighbourhood/e01000462) | 2,054 | 100.4 per 1,000 | 7 | 85.1% |

## Your MP

- [Old Bexley and Sidcup](https://openindex.co.uk/constituency/old-bexley-and-sidcup): Mr Louie French (Conservative), MP since July 2024. 97% of the people here.
- [Eltham and Chislehurst](https://openindex.co.uk/constituency/eltham-and-chislehurst): Clive Efford (Labour), MP since July 2024. 2.8% of the people here.
- [Bexleyheath and Crayford](https://openindex.co.uk/constituency/bexleyheath-and-crayford): Daniel Francis (Labour), MP since July 2024. 0.2% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in DA15

[Blackfen](https://openindex.co.uk/bexley/blackfen), [Lamorbey](https://openindex.co.uk/bexley/lamorbey), [Longlands & Halfway](https://openindex.co.uk/bexley/longlands-and-halfway), [Sidcup West](https://openindex.co.uk/bexley/sidcup-west)

## Postcode sectors in DA15

[DA15 0 (12 postcodes)](https://openindex.co.uk/postcode/da15-0), [DA15 7 (121 postcodes)](https://openindex.co.uk/postcode/da15-7), [DA15 8 (231 postcodes)](https://openindex.co.uk/postcode/da15-8), [DA15 9 (135 postcodes)](https://openindex.co.uk/postcode/da15-9)

## Council

[Bexley](https://openindex.co.uk/bexley)

## Towns in DA15

[Bexley](https://openindex.co.uk/bexley)

## Postcode districts next to DA15

[BR7](https://openindex.co.uk/postcode/br7), [DA5](https://openindex.co.uk/postcode/da5), [DA6](https://openindex.co.uk/postcode/da6), [DA14](https://openindex.co.uk/postcode/da14), [DA16](https://openindex.co.uk/postcode/da16), [SE9](https://openindex.co.uk/postcode/se9)

## Nearest rail stations

[Sidcup (800 m from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1038,51.4339), [New Eltham (1.7 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.0705,51.4381), [Albany Park (2.1 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1257,51.4355), [Falconwood (2.6 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.0793,51.4592)

## More in the DA postcode area

[All DA postcode districts](https://openindex.co.uk/postcode/da), [Every UK postcode area](https://openindex.co.uk/postcode)

## DA15 in brief

DA15 is a postcode district covering Blackfen, Sidcup and Longlands, in Bexley.
About 29,541 people lived in DA15 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £458,500 in 2025 across 460 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 53.7 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in DA15 was £458,500 in 2025.
DA15 had 29,384 usual residents at the census.
About 0% of people in DA15 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In DA15, 94.2% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: DA15
- Postcode area: [DA](https://openindex.co.uk/postcode/da)
- Constituency: [Old Bexley and Sidcup †](https://openindex.co.uk/constituency/old-bexley-and-sidcup)
- Council: [Bexley †](https://openindex.co.uk/bexley)
- Area: 5.76 km²
- People, mid-2024: 29,541*
- Neighbourhoods: 19
- Output areas: 90

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[DA14](https://openindex.co.uk/postcode/da14), [SE9](https://openindex.co.uk/postcode/se9), [DA5](https://openindex.co.uk/postcode/da5), [DA16](https://openindex.co.uk/postcode/da16), [DA6](https://openindex.co.uk/postcode/da6), [BR7](https://openindex.co.uk/postcode/br7)

## Latest updates for DA15

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/DA15

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/da15, or to one figure with its anchor, https://openindex.co.uk/postcode/da15#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/da15