# CH70

Postcode district covering Chester and Blacon, in Cheshire West and Chester.

CH70 is a postcode district covering Chester and Blacon, in Cheshire West and Chester. Recorded crime 1,100.8 per 1,000 people. About 248 people.

Postcode district. Code CH70. In: [Postcodes](https://openindex.co.uk/postcode) › [CH](https://openindex.co.uk/postcode/ch)

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 CH70 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Population: 214** (2021). CH70 had 214 usual residents at the census (ONS Census 2021). 37th least 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/ch70#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in CH70 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/ch70#f-radon-affected-share
- **Gigabit broadband coverage: 52.8%** (January 2026). In CH70, 52.8% 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/ch70#f-gigabit-coverage
- **Aged 15 to 64: 67.3%** (2021). 67.3% of residents in CH70 were aged 15 to 64 at the census (ONS Census 2021). Joint 434th highest 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/ch70#f-age-15-to-64

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=CH70) (Worked out by Open Index · 2022): About 0% of people in CH70 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=CH70) (Worked out by Open Index · 2025): 0 homes were sold in CH70 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=CH70) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for CH70.
- [Population by postcode district](https://openindex.co.uk/map/population?place=CH70) (Census 2021, England and Wales): CH70 had 214 usual residents at the census.

## How CH70 compares

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

| Measure | CH70 | Rank | Compared with |
| --- | --- | --- | --- |
| Population | 214 | least populated | 29 postcode districts, CH · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 29 postcode districts, CH · 2022 |
| Gigabit broadband coverage | 52.8% | lowest | 29 postcode districts, CH · Jan 2026 |
| Aged 15 to 64 | 67.3% | 4th highest | 29 postcode districts, CH · 2021 |

## Is CH70 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CH70 at a rate of 1,100.8 per 1,000 people.
That compares with 80.2 per 1,000 people across the CH postcode area.
In August 2026 alone, 28 cases of crime and anti-social behaviour were recorded in CH70.
In the 12 months to August 2026, the most common types were shoplifting (106), violence and sexual offences (66) and other crime (57).
A year earlier, the recorded crime rate in CH70 was 802.4 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.

## Your MP

- [Chester North and Neston](https://openindex.co.uk/constituency/chester-north-and-neston): Samantha Dixon (Labour), MP since July 2024.

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

## Postcode sectors in CH70

[CH70 8 (42 postcodes)](https://openindex.co.uk/postcode/ch70-8)

## Council

[Cheshire West and Chester](https://openindex.co.uk/cheshire-west-and-chester)

## Postcode districts next to CH70

[CH1](https://openindex.co.uk/postcode/ch1)

## Nearest rail stations

[Bache (2.5 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-2.8917,53.2088), [Chester (2.8 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-2.8796,53.1967)

## More in the CH postcode area

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

## CH70 in brief

CH70 is a postcode district covering Chester and Blacon, in Cheshire West and Chester.
About 248 people lived in CH70 in mid-2024 (worked out by Open Index from ONS small-area estimates); police recorded crimes and anti-social behaviour at a rate of 1,100.8 per 1,000 people in the 12 months to August 2026 (police.uk).
CH70 had 214 usual residents at the census.
About 0% of people in CH70 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In CH70, 52.8% of homes and businesses could get gigabit-capable broadband in January 2026.
67.3% of residents in CH70 were aged 15 to 64 at the census.

## About

- Type: Postcode district
- Code: CH70
- Postcode area: [CH](https://openindex.co.uk/postcode/ch)
- Constituency: [Chester North and Neston †](https://openindex.co.uk/constituency/chester-north-and-neston)
- Council: [Cheshire West and Chester †](https://openindex.co.uk/cheshire-west-and-chester)
- Area: 1.43 km²
- People, mid-2024: 248*
- Output areas: 1

* 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

[CH1](https://openindex.co.uk/postcode/ch1)

## Latest updates for CH70

- 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/CH70

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/ch70, or to one figure with its anchor, https://openindex.co.uk/postcode/ch70#f-population.

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/ch70