CH42 postcode district: Birkenhead and around, Wirral

CH42 is a postcode district in England, with 688 postcodes in use in 10 sectors. It has postcodes in Birkenhead and Bebington. Its council is Wirral.

Postcodes in use
688
Sectors
10
Council
Wirral
Places
2 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in CH42, and which are new since 2020

Map of every postcode in CH42, by new since 2020 Of the 688 postcodes in CH42 that ONS places, 13 are new since 2020 and 675 were in use before 2020. One group of new postcodes is outlined: 6 new postcodes since 2020. Places named: Birkenhead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. CH42 0AA: before 2020CH42 0BG: before 2020CH42 0HA: before 2020CH42 0HB: before 2020CH42 0HD: before 2020CH42 0HH: before 2020CH42 0HJ: before 2020CH42 0HL: before 2020CH42 0HN: before 2020CH42 0HP: before 2020CH42 0HR: before 2020CH42 0HS: before 2020CH42 0HT: before 2020CH42 0HU: before 2020CH42 0HW: before 2020CH42 0HX: before 2020CH42 0HY: before 2020CH42 0HZ: before 2020CH42 0JA: before 2020CH42 0JB: before 2020CH42 0JD: before 2020CH42 0JE: before 2020CH42 0JF: before 2020CH42 0JG: before 2020CH42 0JH: before 2020CH42 0JJ: before 2020CH42 0JL: before 2020CH42 0JN: before 2020CH42 0JP: before 2020CH42 0JQ: before 2020CH42 0JR: before 2020CH42 0JS: before 2020CH42 0JT: before 2020CH42 0JU: before 2020CH42 0JW: before 2020CH42 0JX: before 2020CH42 0JY: before 2020CH42 0JZ: before 2020CH42 0LA: before 2020CH42 0LB: before 2020CH42 0LD: before 2020CH42 0LE: before 2020CH42 0LH: before 2020CH42 0LJ: before 2020CH42 0LL: before 2020CH42 0LN: before 2020CH42 0LP: before 2020CH42 0LQ: 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before 2020CH42 9NR: before 2020CH42 9NS: before 2020CH42 9NT: before 2020CH42 9NU: before 2020CH42 9NW: before 2020CH42 9NX: before 2020CH42 9NY: before 2020CH42 9NZ: before 2020CH42 9PA: before 2020CH42 9PB: before 2020CH42 9PD: before 2020CH42 9PE: before 2020CH42 9PF: before 2020CH42 9PG: before 2020CH42 9PH: before 2020CH42 9PJ: before 2020CH42 9PL: before 2020CH42 9PN: before 2020CH42 9PP: before 2020CH42 9PQ: before 2020CH42 9PR: before 2020CH42 9PS: before 2020CH42 9PT: before 2020CH42 9PU: before 2020CH42 9PW: before 2020CH42 9PX: before 2020CH42 9PY: before 2020CH42 9PZ: before 2020CH42 9QA: before 2020CH42 9QB: before 2020CH42 9QE: before 2020CH42 9QF: before 2020CH42 9QG: before 2020CH42 9QH: before 2020CH42 9QJ: before 2020CH42 9QL: before 2020CH42 9QP: before 2020CH42 9QQ: before 2020CH42 1AB: new since 2020CH42 1AD: new since 2020CH42 1AE: new since 2020CH42 1AF: new since 2020CH42 1AG: new since 2020CH42 1AH: new since 2020CH42 1NW: new since 2020CH42 2EH: new since 2020CH42 4AA: new since 2020CH42 4AE: new since 2020CH42 4AF: new since 2020CH42 4AH: new since 2020 Birkenhead 6 new postcodes since 2020, outlined: this goes to CH42 1AB, the newest of them6 new postcodes since 2020 Map of every postcode in CH42, by new since 2020 Of the 688 postcodes in CH42 that ONS places, 13 are new since 2020 and 675 were in use before 2020. One group of new postcodes is outlined: 6 new postcodes since 2020. Places named: Birkenhead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Birkenhead 6 new postcodes since 2020, outlined: this goes to CH42 1AB, the newest of them6 new postcodes since 2020
  • New since 2020: 13
  • In use before 2020: 675
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 688 postcodes in CH42 that ONS places, 13 are new since 2020 and 675 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 53.3738, longitude -3.0225. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The 5 newest postcodes

CH42 4AASeptember 2024CH42 4AHSeptember 2024CH42 4AJSeptember 2024CH42 2EHSeptember 2023CH42 1ABApril 2023

Where the new postcodes lie together

  • 6 new postcodes since 2020, outlined on the map. CH42 1AB, is the newest of them.

What broadband can you get in CH42?

Ofcom reports on 685 of the 688 postcodes in CH42. At 648 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit648 of 685
Postcodes where every home can get superfast680 of 685

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is CH42 at risk of flooding?

4 of the 688 postcodes in CH42 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 11 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 4 of 688 postcodes High: 11Low: 13Very low: 4

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in CH42?

Homes in CH42 sold for a typical £160,000 in the 12 months to August 2026, across 305 sales, up 10% on the 12 months before, HM Land Registry's figures show.

£160,000 typical price, the 12 months to August 2026
£145,500 12 months to August 2025
▲ up 10% on the 12 months before
  • Detached £477,500 24 sales
  • Semi-detached £200,000 110 sales
  • Terraced £135,000 145 sales
  • Flat or maisonette £95,500 26 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in CH42

Pick a sector, then a postcode. A sector is the district plus the next digit.

CH42 072 postcodesCH42 188 postcodesCH42 262 postcodesCH42 349 postcodesCH42 483 postcodesCH42 560 postcodesCH42 671 postcodesCH42 750 postcodesCH42 867 postcodesCH42 986 postcodes
UK postcode format explained

Places in CH42

Towns and villages with postcodes in CH42, and how many each has here.

Birkenhead postcodes,675Bebington postcodes,13

Who covers CH42

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Birkenhead682
  • Ellesmere Port and Bromborough6

Police force areas

  • Merseyside688

Next to CH42

CH41 postcode district CH43 postcode district All CH districts Birkenhead postcodes

"Next to" is by number: the districts before and after CH42 in the CH area.

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