CH43 9 postcode sector in the CH43 district

CH43 9 is a sector of the CH43 district: every postcode that starts CH43 9. It has 193 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 CH43 9 sector, by flood risk

Map of every postcode in the CH43 9 sector, by flood risk Of the 193 postcodes in the CH43 9 sector that ONS places, 193 are not on the Environment Agency's at-risk list. Places named: Claughton, Bidston and St James. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M53 CH43 9AA: not on the flood risk listCH43 9AB: not on the flood risk listCH43 9AD: not on the flood risk listCH43 9AE: not on the flood risk listCH43 9AF: not on the flood risk listCH43 9AG: not on the flood risk listCH43 9AH: not on the flood risk listCH43 9AJ: not on the flood risk listCH43 9AL: not on the flood risk listCH43 9AN: not on the flood risk listCH43 9AP: not on the flood risk listCH43 9AQ: not on the flood risk listCH43 9EA: not on the flood risk listCH43 9EB: not on the flood risk listCH43 9ED: not on the flood risk listCH43 9EF: not on the flood risk listCH43 9HA: not on the flood risk listCH43 9HB: not on the flood risk listCH43 9HD: not on the flood risk listCH43 9HE: not on the flood risk listCH43 9HF: not on the flood risk listCH43 9HG: not on the flood risk listCH43 9HH: not on the flood risk listCH43 9HJ: not on the flood risk listCH43 9HL: not on the flood risk listCH43 9HN: not on the flood risk listCH43 9HP: not on the flood risk listCH43 9HQ: not on the flood risk listCH43 9HR: not on the flood risk listCH43 9HS: not on the flood risk listCH43 9HT: not on the flood risk listCH43 9HU: not on the flood risk listCH43 9HW: not on the flood risk listCH43 9HX: not on the flood risk listCH43 9HY: not on the flood risk listCH43 9HZ: not on the flood risk listCH43 9JA: not on the flood risk listCH43 9JB: not on the flood risk listCH43 9JD: not on the flood risk listCH43 9JE: not on the flood risk listCH43 9JF: not on the flood risk listCH43 9JG: not on the flood risk listCH43 9JH: not on the flood risk listCH43 9JJ: not on the flood risk listCH43 9JL: not on the flood risk listCH43 9JN: not on the flood risk listCH43 9JR: not on the flood risk listCH43 9JT: not on the flood risk listCH43 9JU: not on the flood risk listCH43 9JW: not on the flood risk listCH43 9JX: not on the flood risk listCH43 9JY: not on the flood risk listCH43 9LB: not on the flood risk listCH43 9LG: not on the flood risk listCH43 9QA: not on the flood risk listCH43 9QN: not on the flood risk listCH43 9QP: not on the flood risk listCH43 9QQ: not on the flood risk listCH43 9QR: not on the flood risk listCH43 9QS: not on the flood risk listCH43 9QT: not on the flood risk listCH43 9QW: not on the flood risk listCH43 9QX: not on the flood risk listCH43 9QY: not on the flood risk listCH43 9QZ: not on the flood risk listCH43 9RA: not on the flood risk listCH43 9RB: not on the flood risk listCH43 9RD: not on the flood risk listCH43 9RE: not on the flood risk listCH43 9RF: not on the flood risk listCH43 9RG: not on the flood risk listCH43 9RH: not on the flood risk listCH43 9RJ: not on the flood risk listCH43 9RL: not on the flood risk listCH43 9RN: not on the flood risk listCH43 9RP: not on the flood risk listCH43 9RQ: not on the flood risk listCH43 9RR: not on the flood risk listCH43 9RS: not on the flood risk listCH43 9RT: not on the flood risk listCH43 9RU: not on the flood risk listCH43 9RW: not on the flood risk listCH43 9RX: not on the flood risk listCH43 9RY: not on the flood risk listCH43 9RZ: not on the flood risk listCH43 9SA: not on the flood risk listCH43 9SB: not on the flood risk listCH43 9SD: not on the flood risk listCH43 9SE: not on the flood risk listCH43 9SF: not on the flood risk listCH43 9SG: not on the flood risk listCH43 9SH: not on the flood risk listCH43 9SJ: not on the flood risk listCH43 9SL: not on the flood risk listCH43 9SN: not on the flood risk listCH43 9SP: not on the flood risk listCH43 9SQ: not on the flood risk listCH43 9SR: not on the flood risk listCH43 9SS: not on the flood risk listCH43 9ST: not on the flood risk listCH43 9SU: not on the flood risk listCH43 9SW: not on the flood risk listCH43 9SX: not on the flood risk listCH43 9SY: not on the flood risk listCH43 9SZ: not on the flood risk listCH43 9TA: not on the flood risk listCH43 9TB: not on the flood risk listCH43 9TD: not on the flood risk listCH43 9TE: not on the flood risk listCH43 9TF: not on the flood risk listCH43 9TG: not on the flood risk listCH43 9TH: not on the flood risk listCH43 9TJ: not on the flood risk listCH43 9TL: not on the flood risk listCH43 9TN: not on the flood risk listCH43 9TP: not on the flood risk listCH43 9TQ: not on the flood risk listCH43 9TS: not on the flood risk listCH43 9TT: not on the flood risk listCH43 9TU: not on the flood risk listCH43 9TW: not on the flood risk listCH43 9TX: not on the flood risk listCH43 9TY: not on the flood risk listCH43 9TZ: not on the flood risk listCH43 9UA: not on the flood risk listCH43 9UB: not on the flood risk listCH43 9UD: not on the flood risk listCH43 9UE: not on the flood risk listCH43 9UF: not on the flood risk listCH43 9UG: not on the flood risk listCH43 9UH: not on the flood risk listCH43 9UJ: not on the flood risk listCH43 9UL: not on the flood risk listCH43 9UN: not on the flood risk listCH43 9UP: not on the flood risk listCH43 9UQ: not on the flood risk listCH43 9UR: not on the flood risk listCH43 9US: not on the flood risk listCH43 9UT: not on the flood risk listCH43 9UU: not on the flood risk listCH43 9UW: not on the flood risk listCH43 9UX: not on the flood risk listCH43 9UY: not on the flood risk listCH43 9UZ: not on the flood risk listCH43 9WF: not on the flood risk listCH43 9WG: not on the flood risk listCH43 9WH: not on the flood risk listCH43 9WL: not on the flood risk listCH43 9WN: not on the flood risk listCH43 9WQ: not on the flood risk listCH43 9WU: not on the flood risk listCH43 9WX: not on the flood risk listCH43 9XB: not on the flood risk listCH43 9XD: not on the flood risk listCH43 9XE: not on the flood risk listCH43 9XF: not on the flood risk listCH43 9XG: not on the flood risk listCH43 9XH: not on the flood risk listCH43 9XJ: not on the flood risk listCH43 9XL: not on the flood risk listCH43 9XN: not on the flood risk listCH43 9XP: not on the flood risk listCH43 9XQ: not on the flood risk listCH43 9XR: not on the flood risk listCH43 9XS: not on the flood risk listCH43 9XT: not on the flood risk listCH43 9XU: not on the flood risk listCH43 9XW: not on the flood risk listCH43 9XX: not on the flood risk listCH43 9XY: not on the flood risk listCH43 9XZ: not on the flood risk listCH43 9YA: not on the flood risk listCH43 9YB: not on the flood risk listCH43 9YD: not on the flood risk listCH43 9YE: not on the flood risk listCH43 9YF: not on the flood risk listCH43 9YG: not on the flood risk listCH43 9YH: not on the flood risk listCH43 9YL: not on the flood risk listCH43 9YN: not on the flood risk listCH43 9YP: not on the flood risk listCH43 9YQ: not on the flood risk listCH43 9YR: not on the flood risk listCH43 9YS: not on the flood risk listCH43 9YT: not on the flood risk listCH43 9YU: not on the flood risk listCH43 9YW: not on the flood risk listCH43 9YX: not on the flood risk listCH43 9YY: not on the flood risk listCH43 9YZ: not on the flood risk listCH43 9ZA: not on the flood risk listCH43 9ZB: not on the flood risk list ClaughtonBidston and St James Map of every postcode in the CH43 9 sector, by flood risk Of the 193 postcodes in the CH43 9 sector that ONS places, 193 are not on the Environment Agency's at-risk list. Places named: Claughton, Bidston and St James. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M53 ClaughtonBidston 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: 0
  • Not on the at-risk list: 193

Of the 193 postcodes in the CH43 9 sector that ONS places, 193 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 CH43 9?

Homes in CH43 9 sold for a typical £235,750 in the 12 months to August 2026, across 58 sales, up 9.7% on the 12 months before, HM Land Registry's figures show.

£235,750 typical price, the 12 months to August 2026
£215,000 12 months to August 2025
▲ up 9.7% on the 12 months before
  • Detached £400,000 19 sales
  • Semi-detached £205,000 26 sales
  • Terraced £135,000 8 sales
  • Flat or maisonette £225,000 5 sales

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 CH43 9. 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 CH43 9

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.

CH43 9AACH43 9ABCH43 9ADCH43 9AECH43 9AFCH43 9AGCH43 9AHCH43 9AJCH43 9ALCH43 9ANCH43 9APCH43 9AQCH43 9EACH43 9EBCH43 9EDCH43 9EECH43 9EFCH43 9HACH43 9HBCH43 9HDCH43 9HECH43 9HFCH43 9HGCH43 9HHCH43 9HJCH43 9HLCH43 9HNCH43 9HPCH43 9HQCH43 9HRCH43 9HSCH43 9HTCH43 9HUCH43 9HWCH43 9HXCH43 9HYCH43 9HZCH43 9JACH43 9JBCH43 9JDCH43 9JECH43 9JFCH43 9JGCH43 9JHCH43 9JJCH43 9JLCH43 9JNCH43 9JRCH43 9JTCH43 9JUCH43 9JWCH43 9JXCH43 9JYCH43 9LBCH43 9LGCH43 9QACH43 9QNCH43 9QPCH43 9QQCH43 9QRCH43 9QSCH43 9QTCH43 9QWCH43 9QXCH43 9QYCH43 9QZCH43 9RACH43 9RBCH43 9RDCH43 9RECH43 9RFCH43 9RGCH43 9RHCH43 9RJCH43 9RLCH43 9RNCH43 9RPCH43 9RQCH43 9RRCH43 9RSCH43 9RTCH43 9RUCH43 9RWCH43 9RXCH43 9RYCH43 9RZCH43 9SACH43 9SBCH43 9SDCH43 9SECH43 9SFCH43 9SGCH43 9SHCH43 9SJCH43 9SLCH43 9SNCH43 9SPCH43 9SQCH43 9SRCH43 9SSCH43 9STCH43 9SUCH43 9SWCH43 9SXCH43 9SYCH43 9SZCH43 9TACH43 9TBCH43 9TDCH43 9TECH43 9TFCH43 9TGCH43 9THCH43 9TJCH43 9TLCH43 9TNCH43 9TPCH43 9TQCH43 9TSCH43 9TTCH43 9TUCH43 9TWCH43 9TXCH43 9TYCH43 9TZCH43 9UACH43 9UBCH43 9UDCH43 9UECH43 9UFCH43 9UGCH43 9UHCH43 9UJCH43 9ULCH43 9UNCH43 9UPCH43 9UQCH43 9URCH43 9USCH43 9UTCH43 9UUCH43 9UWCH43 9UXCH43 9UYCH43 9UZCH43 9WFCH43 9WGCH43 9WHCH43 9WLCH43 9WNCH43 9WQCH43 9WUCH43 9WXCH43 9XBCH43 9XDCH43 9XECH43 9XFCH43 9XGCH43 9XHCH43 9XJCH43 9XLCH43 9XNCH43 9XPCH43 9XQCH43 9XRCH43 9XSCH43 9XTCH43 9XUCH43 9XWCH43 9XXCH43 9XYCH43 9XZCH43 9YACH43 9YBCH43 9YDCH43 9YECH43 9YFCH43 9YGCH43 9YHCH43 9YLCH43 9YNCH43 9YPCH43 9YQCH43 9YRCH43 9YSCH43 9YTCH43 9YUCH43 9YWCH43 9YXCH43 9YYCH43 9YZCH43 9ZACH43 9ZB

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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