CH41 3 postcode sector in the CH41 district

CH41 3 is a sector of the CH41 district: every postcode that starts CH41 3. It has 82 postcodes in use, 4 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 3 sector, by flood risk

Map of every postcode in the CH41 3 sector, by flood risk Of the 82 postcodes in the CH41 3 sector that ONS places, 82 are not on the Environment Agency's at-risk list. Places named: Bidston and St James, Birkenhead and Tranmere. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A554A5029A5030 CH41 3AB: not on the flood risk listCH41 3AD: not on the flood risk listCH41 3HT: not on the flood risk listCH41 3HU: not on the flood risk listCH41 3HX: not on the flood risk listCH41 3HY: not on the flood risk listCH41 3HZ: not on the flood risk listCH41 3JA: not on the flood risk listCH41 3JD: not on the flood risk listCH41 3JE: not on the flood risk listCH41 3JP: not on the flood risk listCH41 3JQ: not on the flood risk listCH41 3JR: not on the flood risk listCH41 3JU: not on the flood risk listCH41 3JY: not on the flood risk listCH41 3JZ: not on the flood risk listCH41 3LE: not on the flood risk listCH41 3LH: not on the flood risk listCH41 3LL: not on the flood risk listCH41 3LP: not on the flood risk listCH41 3LQ: not on the flood risk listCH41 3LU: not on the flood risk listCH41 3LY: not on the flood risk listCH41 3NE: not on the flood risk listCH41 3NG: not on the flood risk listCH41 3NJ: not on the flood risk listCH41 3NL: not on the flood risk listCH41 3NP: not on the flood risk listCH41 3NT: not on the flood risk listCH41 3NU: not on the flood risk listCH41 3NW: not on the flood risk listCH41 3NX: not on the flood risk listCH41 3NY: not on the flood risk listCH41 3PB: not on the flood risk listCH41 3PD: not on the flood risk listCH41 3PE: not on the flood risk listCH41 3PF: not on the flood risk listCH41 3PG: not on the flood risk listCH41 3PH: not on the flood risk listCH41 3PJ: not on the flood risk listCH41 3PQ: not on the flood risk listCH41 3PR: not on the flood risk listCH41 3PS: not on the flood risk listCH41 3PU: not on the flood risk listCH41 3PX: not on the flood risk listCH41 3PY: not on the flood risk listCH41 3PZ: not on the flood risk listCH41 3QA: not on the flood risk listCH41 3QB: not on the flood risk listCH41 3QD: not on the flood risk listCH41 3QE: not on the flood risk listCH41 3QF: not on the flood risk listCH41 3QG: not on the flood risk listCH41 3QH: not on the flood risk listCH41 3QJ: not on the flood risk listCH41 3QL: not on the flood risk listCH41 3QQ: not on the flood risk listCH41 3QT: not on the flood risk listCH41 3QZ: not on the flood risk listCH41 3RB: not on the flood risk listCH41 3RF: not on the flood risk listCH41 3RG: not on the flood risk listCH41 3RH: not on the flood risk listCH41 3RL: not on the flood risk listCH41 3RP: not on the flood risk listCH41 3RQ: not on the flood risk listCH41 3RS: not on the flood risk listCH41 3RT: not on the flood risk listCH41 3RU: not on the flood risk listCH41 3RW: not on the flood risk listCH41 3RX: not on the flood risk listCH41 3RY: not on the flood risk listCH41 3RZ: not on the flood risk listCH41 3SD: not on the flood risk listCH41 3SE: not on the flood risk listCH41 3SG: not on the flood risk listCH41 3SL: not on the flood risk listCH41 3SN: not on the flood risk listCH41 3SP: not on the flood risk listCH41 3SR: not on the flood risk list Bidston and St JamesBirkenhead and Tranmere Map of every postcode in the CH41 3 sector, by flood risk Of the 82 postcodes in the CH41 3 sector that ONS places, 82 are not on the Environment Agency's at-risk list. Places named: Bidston and St James, Birkenhead and Tranmere. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Bidston and St JamesBirkenhead and Tranmere
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 82

Of the 82 postcodes in the CH41 3 sector that ONS places, 82 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

What do homes sell for in CH41 3?

HM Land Registry records 3 sales of homes in CH41 3 in the 12 months to August 2026: too few to give a typical price.

  • Semi-detached 1 sale, too few to price
  • Terraced 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start CH41 3. 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 3

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 3ABCH41 3ADCH41 3HTCH41 3HUCH41 3HXCH41 3HYCH41 3HZCH41 3JACH41 3JDCH41 3JECH41 3JPCH41 3JQCH41 3JRCH41 3JUCH41 3JYCH41 3JZCH41 3LECH41 3LFCH41 3LHCH41 3LLCH41 3LPCH41 3LQCH41 3LUCH41 3LYCH41 3NECH41 3NGCH41 3NJCH41 3NLCH41 3NPCH41 3NTCH41 3NUCH41 3NWCH41 3NXCH41 3NYCH41 3PBCH41 3PDCH41 3PECH41 3PFCH41 3PGCH41 3PHCH41 3PJCH41 3PQCH41 3PRCH41 3PSCH41 3PUCH41 3PXCH41 3PYCH41 3PZCH41 3QACH41 3QBCH41 3QDCH41 3QECH41 3QFCH41 3QGCH41 3QHCH41 3QJCH41 3QLCH41 3QQCH41 3QTCH41 3QZCH41 3RBCH41 3RFCH41 3RGCH41 3RHCH41 3RLCH41 3RPCH41 3RQCH41 3RSCH41 3RTCH41 3RUCH41 3RWCH41 3RXCH41 3RYCH41 3RZCH41 3SDCH41 3SECH41 3SGCH41 3SJCH41 3SLCH41 3SNCH41 3SPCH41 3SR

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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