CH41 7 postcode sector in the CH41 district

CH41 7 is a sector of the CH41 district: every postcode that starts CH41 7. It has 57 postcodes in use, 2 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 7 sector, by flood risk

Map of every postcode in the CH41 7 sector, by flood risk Of the 57 postcodes in the CH41 7 sector that ONS places, 3 are at very low risk only and 54 are not on the Environment Agency's at-risk list. Places named: Bidston and St James. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5030A5088 CH41 7AA: not on the flood risk listCH41 7AB: not on the flood risk listCH41 7AD: not on the flood risk listCH41 7AF: not on the flood risk listCH41 7AG: not on the flood risk listCH41 7AH: not on the flood risk listCH41 7AJ: not on the flood risk listCH41 7AL: not on the flood risk listCH41 7AP: not on the flood risk listCH41 7AU: not on the flood risk listCH41 7AW: not on the flood risk listCH41 7AZ: not on the flood risk listCH41 7BE: not on the flood risk listCH41 7BG: not on the flood risk listCH41 7BH: not on the flood risk listCH41 7BJ: not on the flood risk listCH41 7BL: not on the flood risk listCH41 7BN: not on the flood risk listCH41 7BP: not on the flood risk listCH41 7BQ: not on the flood risk listCH41 7BS: not on the flood risk listCH41 7BT: not on the flood risk listCH41 7BU: not on the flood risk listCH41 7BW: not on the flood risk listCH41 7BX: not on the flood risk listCH41 7BY: not on the flood risk listCH41 7BZ: not on the flood risk listCH41 7DA: not on the flood risk listCH41 7DB: not on the flood risk listCH41 7DE: not on the flood risk listCH41 7DF: not on the flood risk listCH41 7DG: not on the flood risk listCH41 7DH: not on the flood risk listCH41 7DJ: not on the flood risk listCH41 7DL: not on the flood risk listCH41 7DN: not on the flood risk listCH41 7DP: not on the flood risk listCH41 7DQ: not on the flood risk listCH41 7DR: not on the flood risk listCH41 7DS: not on the flood risk listCH41 7DU: not on the flood risk listCH41 7DW: not on the flood risk listCH41 7DZ: not on the flood risk listCH41 7EA: not on the flood risk listCH41 7EE: not on the flood risk listCH41 7EF: not on the flood risk listCH41 7EG: not on the flood risk listCH41 7EH: not on the flood risk listCH41 7EP: not on the flood risk listCH41 7EQ: not on the flood risk listCH41 7EW: not on the flood risk listCH41 7ED: very low flood risk onlyCH41 7DD: very low flood risk onlyCH41 7EL: very low flood risk only Bidston and St James Map of every postcode in the CH41 7 sector, by flood risk Of the 57 postcodes in the CH41 7 sector that ONS places, 3 are at very low risk only and 54 are not on the Environment Agency's at-risk list. Places named: Bidston and St James. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5030 Bidston and St James
  • 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: 3
  • Not on the at-risk list: 54

Of the 57 postcodes in the CH41 7 sector that ONS places, 3 are at very low risk only and 54 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 7?

Homes in CH41 7 sold for a typical £102,500 in the 12 months to August 2026, across 6 sales, down 14.6% on the 12 months before, HM Land Registry's figures show.

£102,500 typical price, the 12 months to August 2026
£120,000 12 months to August 2025
▼ down 14.6% on the 12 months before
  • Semi-detached 3 sales, too few to price
  • Terraced 2 sales, too few to price
  • Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start CH41 7. 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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