CH4
Postcode districtPostcode district covering Chester, Saltney and Lache, in Cheshire West and Chester and Flintshire.
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 CH4 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 37% of people in CH4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How CH4 compares
Each dot is a postcode district. The black line marks the middle one.
Is CH4 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CH4 at a rate of 56.9 per 1,000 people.
That compares with 80.2 per 1,000 people across the CH postcode area.
In August 2026 alone, 206 cases of crime and anti-social behaviour were recorded in CH4.
In the 12 months to August 2026, the most common types were violence and sexual offences (873), other crime (416) and anti-social behaviour (287).
A year earlier, the recorded crime rate in CH4 was 55.7 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.
Deprivation in CH4, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so CH4 has no single figure. Of its 11 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 1 neighbourhood
- Decile 3: 1 neighbourhood
- Decile 7: 3 neighbourhoods
- Decile 8: 2 neighbourhoods
- Decile 9: 1 neighbourhood
- Decile 10 (England’s least deprived 10%): 3 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in CH4
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Cheshire West and Chester 043A | 1,064 | 171.0 per 1,000 | 7 | 94.3% |
| Cheshire West and Chester 043B | 1,545 | 57.3 per 1,000 | 10 | 95.8% |
| Cheshire West and Chester 043C | 1,622 | 64.3 per 1,000 | 10 | 99.1% |
| Cheshire West and Chester 043D | 1,650 | 38.9 per 1,000 | 8 | 98.4% |
| Cheshire West and Chester 043E | 1,109 | 19.1 per 1,000 | 10 | 99.3% |
| Cheshire West and Chester 043F | 1,828 | 75.9 per 1,000 | 8 | 91.9% |
| Cheshire West and Chester 044A | 1,472 | 104.7 per 1,000 | 1 | 97.4% |
| Cheshire West and Chester 044B | 1,906 | 53.4 per 1,000 | 7 | 97.9% |
| Cheshire West and Chester 044C | 1,512 | 26.8 per 1,000 | 9 | 98.5% |
| Cheshire West and Chester 044D | 1,627 | 36.1 per 1,000 | 3 | 99.0% |
| Cheshire West and Chester 046A | 2,193 | 58.9 per 1,000 | 7 | 66.2% |
| Flintshire 015A | 2,271 | 140.8 per 1,000 | No figure | 78.1% |
| Flintshire 015B | 1,544 | 31.2 per 1,000 | No figure | 98.5% |
| Flintshire 015C | 2,717 | 17.4 per 1,000 | No figure | 98.5% |
| Flintshire 015D | 1,622 | 76.4 per 1,000 | No figure | 83.7% |
| Flintshire 015E | 2,073 | 58.4 per 1,000 | No figure | 93.0% |
| Flintshire 015F | 1,443 | 58.3 per 1,000 | No figure | 99.8% |
| Flintshire 018A | 1,731 | 22.0 per 1,000 | No figure | 74.8% |
| Flintshire 018B | 2,233 | 33.7 per 1,000 | No figure | 96.0% |
| Flintshire 018C | 2,475 | 39.4 per 1,000 | No figure | 97.0% |
MPs for CH4
- Aphra BrandrethConservativeMP for Chester South and Eddisbury52% of CH4’s postcodes
- Sir Mark TamiLabourMP for Alyn and Deeside48% of CH4’s postcodes
- Samantha DixonLabourMP for Chester North and Neston0.5% of CH4’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 CH44
Postcode sectors in CH44
Councils CH4 covers2
Towns in CH41
Postcode districts next to CH45
More in the CH postcode area2
CH4 in brief
CH4 is a postcode district covering Chester, Saltney and Lache, in Cheshire West and Chester and Flintshire.
About 36,223 people lived in CH4 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £260,000 in 2025 across 524 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 56.9 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CH4 was £260,000 in 2025.
CH4 had 34,546 usual residents at the census.
About 37% of people in CH4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In CH4, 91.9% of homes and businesses could get gigabit-capable broadband in January 2026.