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CH70

Postcode district

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

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

Open in map

Gigabit coverage by postcode district

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In CH70, 52.8% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
214
37th least populated of 2,756
ONS Census 2021 · 2021
Gigabit broadband coverage
52.8%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
67.3%
434th highest of 2,756
ONS Census 2021 · 2021
Aged 65 and over
17.8%
847th lowest of 2,756
ONS Census 2021 · 2021

How CH70 compares

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

CH70Middle
Population29 postcode districts, CH · 2021
Population: every postcode district in CH29 areas from 214 to 50,349. The middle area is 28,625. CH70 is 214.
214least populated
Gigabit broadband coverage29 postcode districts, CH · Jan 2026
Gigabit broadband coverage: every postcode district in CH29 areas from 52.8% to 98.6%. The middle area is 93.5%. CH70 is 52.8%.
52.8%lowest
Aged 15 to 6429 postcode districts, CH · 2021
Aged 15 to 64: every postcode district in CH29 areas from 39.9% to 84.1%. The middle area is 62.4%. CH70 is 67.3%.
67.3%4th highest
Aged 65 and over29 postcode districts, CH · 2021
Aged 65 and over: every postcode district in CH29 areas from 7.9% to 49.2%. The middle area is 21.2%. CH70 is 17.8%.
17.8%9th lowest

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 CH.

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

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

Postcode sectors in CH701

Council1

Postcode districts next to CH701

Nearest rail stations2

More in the CH postcode area2

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.

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.

17.8% of residents in CH70 were aged 65 or over at the census.