CH45 4 postcode sector in the CH45 district

CH45 4 is a sector of the CH45 district: every postcode that starts CH45 4. It has 97 postcodes in use, 5 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 CH45 4 sector, by flood risk

Map of every postcode in the CH45 4 sector, by flood risk Of the 97 postcodes in the CH45 4 sector that ONS places, 97 are not on the Environment Agency's at-risk list. Places named: Liscard, Wallasey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A551 CH45 4JA: not on the flood risk listCH45 4JB: not on the flood risk listCH45 4JG: not on the flood risk listCH45 4JL: not on the flood risk listCH45 4JP: not on the flood risk listCH45 4JR: not on the flood risk listCH45 4JW: not on the flood risk listCH45 4LA: not on the flood risk listCH45 4LB: not on the flood risk listCH45 4LD: not on the flood risk listCH45 4LE: not on the flood risk listCH45 4LG: not on the flood risk listCH45 4LH: not on the flood risk listCH45 4LJ: not on the flood risk listCH45 4LL: not on the flood risk listCH45 4LN: not on the flood risk listCH45 4LP: not on the flood risk listCH45 4LR: not on the flood risk listCH45 4LS: not on the flood risk listCH45 4LT: not on the flood risk listCH45 4LU: not on the flood risk listCH45 4LW: not on the flood risk listCH45 4LX: not on the flood risk listCH45 4LY: not on the flood risk listCH45 4LZ: not on the flood risk listCH45 4NB: not on the flood risk listCH45 4ND: not on the flood risk listCH45 4NE: not on the flood risk listCH45 4NL: not on the flood risk listCH45 4NN: not on the flood risk listCH45 4NW: not on the flood risk listCH45 4NZ: not on the flood risk listCH45 4PA: not on the flood risk listCH45 4PB: not on the flood risk listCH45 4PD: not on the flood risk listCH45 4PE: not on the flood risk listCH45 4PG: not on the flood risk listCH45 4PH: not on the flood risk listCH45 4PJ: not on the flood risk listCH45 4PL: not on the flood risk listCH45 4PN: not on the flood risk listCH45 4PP: not on the flood risk listCH45 4PQ: not on the flood risk listCH45 4PR: not on the flood risk listCH45 4PS: not on the flood risk listCH45 4PT: not on the flood risk listCH45 4PU: not on the flood risk listCH45 4PW: not on the flood risk listCH45 4PX: not on the flood risk listCH45 4PY: not on the flood risk listCH45 4PZ: not on the flood risk listCH45 4QA: not on the flood risk listCH45 4QB: not on the flood risk listCH45 4QD: not on the flood risk listCH45 4QE: not on the flood risk listCH45 4QF: not on the flood risk listCH45 4QG: not on the flood risk listCH45 4QH: not on the flood risk listCH45 4QJ: not on the flood risk listCH45 4QL: not on the flood risk listCH45 4QN: not on the flood risk listCH45 4QQ: not on the flood risk listCH45 4QT: not on the flood risk listCH45 4QU: not on the flood risk listCH45 4QW: not on the flood risk listCH45 4QX: not on the flood risk listCH45 4QY: not on the flood risk listCH45 4QZ: not on the flood risk listCH45 4RA: not on the flood risk listCH45 4RB: not on the flood risk listCH45 4RD: not on the flood risk listCH45 4RE: not on the flood risk listCH45 4RF: not on the flood risk listCH45 4RG: not on the flood risk listCH45 4RH: not on the flood risk listCH45 4RJ: not on the flood risk listCH45 4RL: not on the flood risk listCH45 4RN: not on the flood risk listCH45 4RP: not on the flood risk listCH45 4RQ: not on the flood risk listCH45 4RR: not on the flood risk listCH45 4RS: not on the flood risk listCH45 4RT: not on the flood risk listCH45 4RU: not on the flood risk listCH45 4RW: not on the flood risk listCH45 4RX: not on the flood risk listCH45 4RY: not on the flood risk listCH45 4RZ: not on the flood risk listCH45 4SB: not on the flood risk listCH45 4SD: not on the flood risk listCH45 4SE: not on the flood risk listCH45 4SF: not on the flood risk listCH45 4SG: not on the flood risk listCH45 4SQ: not on the flood risk listCH45 4TH: not on the flood risk listCH45 4WS: not on the flood risk list LiscardWallasey Map of every postcode in the CH45 4 sector, by flood risk Of the 97 postcodes in the CH45 4 sector that ONS places, 97 are not on the Environment Agency's at-risk list. Places named: Liscard, Wallasey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. LiscardWallasey
  • 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: 97

Of the 97 postcodes in the CH45 4 sector that ONS places, 97 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 CH45 4?

Homes in CH45 4 sold for a typical £182,500 in the 12 months to August 2026, across 51 sales, down 0.8% on the 12 months before, HM Land Registry's figures show.

£182,500 typical price, the 12 months to August 2026
£184,000 12 months to August 2025
▼ down 0.8% on the 12 months before
  • Semi-detached £248,000 25 sales
  • Terraced £145,000 23 sales
  • Flat or maisonette 3 sales, too few to price

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

Standard sales of homes at market value at the postcodes that start CH45 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

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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