CH41 4 postcode sector in the CH41 district

CH41 4 is a sector of the CH41 district: every postcode that starts CH41 4. It has 106 postcodes in use, 7 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the CH41 4 sector, by flood risk

Map of every postcode in the CH41 4 sector, by flood risk Of the 106 postcodes in the CH41 4 sector that ONS places, 1 have a home or business at high risk and 105 are not on the Environment Agency's at-risk list. Places named: Birkenhead and Tranmere, Bidston and St James. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A41A5227A5030 CH41 4AD: not on the flood risk listCH41 4AF: not on the flood risk listCH41 4AG: not on the flood risk listCH41 4AH: not on the flood risk listCH41 4AN: not on the flood risk listCH41 4AP: not on the flood risk listCH41 4AQ: not on the flood risk listCH41 4AR: not on the flood risk listCH41 4AU: not on the flood risk listCH41 4AW: not on the flood risk listCH41 4BB: not on the flood risk listCH41 4BD: not on the flood risk listCH41 4BE: not on the flood risk listCH41 4BG: not on the flood risk listCH41 4BH: not on the flood risk listCH41 4BJ: not on the flood risk listCH41 4BL: not on the flood risk listCH41 4BQ: not on the flood risk listCH41 4BR: not on the flood risk listCH41 4BS: not on the flood risk listCH41 4BW: not on the flood risk listCH41 4BX: not on the flood risk listCH41 4BY: not on the flood risk listCH41 4BZ: not on the flood risk listCH41 4DA: not on the flood risk listCH41 4DB: not on the flood risk listCH41 4DD: not on the flood risk listCH41 4DF: not on the flood risk listCH41 4DH: not on the flood risk listCH41 4DP: not on the flood risk listCH41 4DR: not on the flood risk listCH41 4DS: not on the flood risk listCH41 4DT: not on the flood risk listCH41 4DU: not on the flood risk listCH41 4DW: not on the flood risk listCH41 4DX: not on the flood risk listCH41 4DY: not on the flood risk listCH41 4EA: not on the flood risk listCH41 4EZ: not on the flood risk listCH41 4FD: not on the flood risk listCH41 4FF: not on the flood risk listCH41 4FG: not on the flood risk listCH41 4FH: not on the flood risk listCH41 4FN: not on the flood risk listCH41 4FP: not on the flood risk listCH41 4FQ: not on the flood risk listCH41 4FU: not on the flood risk listCH41 4HA: not on the flood risk listCH41 4HB: not on the flood risk listCH41 4HD: not on the flood risk listCH41 4HE: not on the flood risk listCH41 4HF: not on the flood risk listCH41 4HG: not on the flood risk listCH41 4HH: not on the flood risk listCH41 4HJ: not on the flood risk listCH41 4HL: not on the flood risk listCH41 4HN: not on the flood risk listCH41 4HQ: not on the flood risk listCH41 4HS: not on the flood risk listCH41 4HT: not on the flood risk listCH41 4HU: not on the flood risk listCH41 4HW: not on the flood risk listCH41 4HX: not on the flood risk listCH41 4HY: not on the flood risk listCH41 4HZ: not on the flood risk listCH41 4JA: not on the flood risk listCH41 4JB: not on the flood risk listCH41 4JD: not on the flood risk listCH41 4JF: not on the flood risk listCH41 4JG: not on the flood risk listCH41 4JH: not on the flood risk listCH41 4JJ: not on the flood risk listCH41 4JN: not on the flood risk listCH41 4JQ: not on the flood risk listCH41 4JW: not on the flood risk listCH41 4JY: not on the flood risk listCH41 4JZ: not on the flood risk listCH41 4LA: not on the flood risk listCH41 4LB: not on the flood risk listCH41 4LE: not on the flood risk listCH41 4LQ: not on the flood risk listCH41 4LR: not on the flood risk listCH41 4LW: not on the flood risk listCH41 4LX: not on the flood risk listCH41 4LY: not on the flood risk listCH41 4LZ: not on the flood risk listCH41 4NA: not on the flood risk listCH41 4NB: not on the flood risk listCH41 4NF: not on the flood risk listCH41 4NG: not on the flood risk listCH41 4NH: not on the flood risk listCH41 4NT: not on the flood risk listCH41 4NX: not on the flood risk listCH41 4NY: not on the flood risk listCH41 4NZ: not on the flood risk listCH41 4PA: not on the flood risk listCH41 4PB: not on the flood risk listCH41 4PE: not on the flood risk listCH41 4PF: not on the flood risk listCH41 4PG: not on the flood risk listCH41 4PJ: not on the flood risk listCH41 4PP: not on the flood risk listCH41 4PQ: not on the flood risk listCH41 4AA: high flood risk Birkenhead and TranmereBidston and St James Map of every postcode in the CH41 4 sector, by flood risk Of the 106 postcodes in the CH41 4 sector that ONS places, 1 have a home or business at high risk and 105 are not on the Environment Agency's at-risk list. Places named: Birkenhead and Tranmere, Bidston and St James. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A41 Birkenhead and TranmereBidston and St James
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 105

Of the 106 postcodes in the CH41 4 sector that ONS places, 1 have a home or business at high risk and 105 are not on the Environment Agency's at-risk list.

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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; 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 postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

CH41 4AA1 at high risk

What do homes sell for in CH41 4?

Homes in CH41 4 sold for a typical £110,000 in the 12 months to August 2026, across 15 sales, up 10% on the 12 months before, HM Land Registry's figures show.

£110,000 typical price, the 12 months to August 2026
£99,995 12 months to August 2025
▲ up 10% on the 12 months before
  • Terraced £110,000 15 sales

Standard sales of homes at market value at the postcodes that start CH41 4. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

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 CH41 4

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

CH41 4AACH41 4ADCH41 4AFCH41 4AGCH41 4AHCH41 4ANCH41 4APCH41 4AQCH41 4ARCH41 4AUCH41 4AWCH41 4BBCH41 4BDCH41 4BECH41 4BGCH41 4BHCH41 4BJCH41 4BLCH41 4BQCH41 4BRCH41 4BSCH41 4BWCH41 4BXCH41 4BYCH41 4BZCH41 4DACH41 4DBCH41 4DDCH41 4DFCH41 4DHCH41 4DPCH41 4DRCH41 4DSCH41 4DTCH41 4DUCH41 4DWCH41 4DXCH41 4DYCH41 4EACH41 4EZCH41 4FDCH41 4FFCH41 4FGCH41 4FHCH41 4FNCH41 4FPCH41 4FQCH41 4FUCH41 4HACH41 4HBCH41 4HDCH41 4HECH41 4HFCH41 4HGCH41 4HHCH41 4HJCH41 4HLCH41 4HNCH41 4HQCH41 4HSCH41 4HTCH41 4HUCH41 4HWCH41 4HXCH41 4HYCH41 4HZCH41 4JACH41 4JBCH41 4JDCH41 4JFCH41 4JGCH41 4JHCH41 4JJCH41 4JNCH41 4JQCH41 4JWCH41 4JYCH41 4JZCH41 4LACH41 4LBCH41 4LECH41 4LGCH41 4LQCH41 4LRCH41 4LWCH41 4LXCH41 4LYCH41 4LZCH41 4NACH41 4NBCH41 4NFCH41 4NGCH41 4NHCH41 4NTCH41 4NXCH41 4NYCH41 4NZCH41 4PACH41 4PBCH41 4PECH41 4PFCH41 4PGCH41 4PJCH41 4PNCH41 4PPCH41 4PQ

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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