L23 9 postcode sector in the L23 district

L23 9 is a sector of the L23 district: every postcode that starts L23 9. It has 99 postcodes in use, 3 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 L23 9 sector, by flood risk

Map of every postcode in the L23 9 sector, by flood risk Of the 99 postcodes in the L23 9 sector that ONS places, 99 are not on the Environment Agency's at-risk list. Places named: Crosby. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A565 L23 9AB: not on the flood risk listL23 9AD: not on the flood risk listL23 9AE: not on the flood risk listL23 9AF: not on the flood risk listL23 9RR: not on the flood risk listL23 9RU: not on the flood risk listL23 9SA: not on the flood risk listL23 9SB: not on the flood risk listL23 9SD: not on the flood risk listL23 9SE: not on the flood risk listL23 9SF: not on the flood risk listL23 9SG: not on the flood risk listL23 9SH: not on the flood risk listL23 9SJ: not on the flood risk listL23 9SL: not on the flood risk listL23 9SN: not on the flood risk listL23 9SP: not on the flood risk listL23 9SQ: not on the flood risk listL23 9SR: not on the flood risk listL23 9SS: not on the flood risk listL23 9ST: not on the flood risk listL23 9SU: not on the flood risk listL23 9SW: not on the flood risk listL23 9SX: not on the flood risk listL23 9SY: not on the flood risk listL23 9SZ: not on the flood risk listL23 9TA: not on the flood risk listL23 9TB: not on the flood risk listL23 9TD: not on the flood risk listL23 9TE: not on the flood risk listL23 9TF: not on the flood risk listL23 9TG: not on the flood risk listL23 9TH: not on the flood risk listL23 9TJ: not on the flood risk listL23 9TL: not on the flood risk listL23 9TN: not on the flood risk listL23 9TP: not on the flood risk listL23 9TQ: not on the flood risk listL23 9TR: not on the flood risk listL23 9TS: not on the flood risk listL23 9TT: not on the flood risk listL23 9TU: not on the flood risk listL23 9TW: not on the flood risk listL23 9TX: not on the flood risk listL23 9TY: not on the flood risk listL23 9TZ: not on the flood risk listL23 9UA: not on the flood risk listL23 9UB: not on the flood risk listL23 9UD: not on the flood risk listL23 9UE: not on the flood risk listL23 9UF: not on the flood risk listL23 9UG: not on the flood risk listL23 9UH: not on the flood risk listL23 9UJ: not on the flood risk listL23 9UL: not on the flood risk listL23 9UN: not on the flood risk listL23 9UP: not on the flood risk listL23 9UQ: not on the flood risk listL23 9UR: not on the flood risk listL23 9US: not on the flood risk listL23 9UT: not on the flood risk listL23 9UU: not on the flood risk listL23 9UW: not on the flood risk listL23 9UX: not on the flood risk listL23 9UY: not on the flood risk listL23 9UZ: not on the flood risk listL23 9XA: not on the flood risk listL23 9XB: not on the flood risk listL23 9XD: not on the flood risk listL23 9XE: not on the flood risk listL23 9XF: not on the flood risk listL23 9XG: not on the flood risk listL23 9XH: not on the flood risk listL23 9XJ: not on the flood risk listL23 9XL: not on the flood risk listL23 9XP: not on the flood risk listL23 9XQ: not on the flood risk listL23 9XR: not on the flood risk listL23 9XS: not on the flood risk listL23 9XT: not on the flood risk listL23 9XU: not on the flood risk listL23 9XW: not on the flood risk listL23 9XX: not on the flood risk listL23 9XY: not on the flood risk listL23 9XZ: not on the flood risk listL23 9YB: not on the flood risk listL23 9YF: not on the flood risk listL23 9YG: not on the flood risk listL23 9YH: not on the flood risk listL23 9YJ: not on the flood risk listL23 9YL: not on the flood risk listL23 9YN: not on the flood risk listL23 9YP: not on the flood risk listL23 9YQ: not on the flood risk listL23 9YR: not on the flood risk listL23 9YT: not on the flood risk listL23 9YU: not on the flood risk listL23 9YW: not on the flood risk list Crosby Map of every postcode in the L23 9 sector, by flood risk Of the 99 postcodes in the L23 9 sector that ONS places, 99 are not on the Environment Agency's at-risk list. Places named: Crosby. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Crosby
  • 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: 99

Of the 99 postcodes in the L23 9 sector that ONS places, 99 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.

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 L23 9?

Homes in L23 9 sold for a typical £268,750 in the 12 months to August 2026, across 46 sales, down 2.3% on the 12 months before, HM Land Registry's figures show.

£268,750 typical price, the 12 months to August 2026
£275,000 12 months to August 2025
▼ down 2.3% on the 12 months before
  • Detached £315,000 5 sales
  • Semi-detached £280,000 25 sales
  • Terraced £187,500 16 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 L23 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 L23 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.

L23 9ABL23 9ADL23 9AEL23 9AFL23 9RRL23 9RUL23 9SAL23 9SBL23 9SDL23 9SEL23 9SFL23 9SGL23 9SHL23 9SJL23 9SLL23 9SNL23 9SPL23 9SQL23 9SRL23 9SSL23 9STL23 9SUL23 9SWL23 9SXL23 9SYL23 9SZL23 9TAL23 9TBL23 9TDL23 9TEL23 9TFL23 9TGL23 9THL23 9TJL23 9TLL23 9TNL23 9TPL23 9TQL23 9TRL23 9TSL23 9TTL23 9TUL23 9TWL23 9TXL23 9TYL23 9TZL23 9UAL23 9UBL23 9UDL23 9UEL23 9UFL23 9UGL23 9UHL23 9UJL23 9ULL23 9UNL23 9UPL23 9UQL23 9URL23 9USL23 9UTL23 9UUL23 9UWL23 9UXL23 9UYL23 9UZL23 9WAL23 9XAL23 9XBL23 9XDL23 9XEL23 9XFL23 9XGL23 9XHL23 9XJL23 9XLL23 9XPL23 9XQL23 9XRL23 9XSL23 9XTL23 9XUL23 9XWL23 9XXL23 9XYL23 9XZL23 9YBL23 9YFL23 9YGL23 9YHL23 9YJL23 9YLL23 9YNL23 9YPL23 9YQL23 9YRL23 9YTL23 9YUL23 9YW

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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