L21 4 postcode sector in the L21 district

L21 4 is a sector of the L21 district: every postcode that starts L21 4. It has 39 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 L21 4 sector, and which are new since 2020

Map of every postcode in the L21 4 sector, by new since 2020 Of the 39 postcodes in the L21 4 sector that ONS places, 39 were in use before 2020. Places named: Bootle West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A565 L21 4AB: before 2020L21 4LA: before 2020L21 4LB: before 2020L21 4LD: before 2020L21 4LE: before 2020L21 4LF: before 2020L21 4LG: before 2020L21 4LJ: before 2020L21 4LL: before 2020L21 4LN: before 2020L21 4LP: before 2020L21 4LR: before 2020L21 4LT: before 2020L21 4LU: before 2020L21 4LW: before 2020L21 4LX: before 2020L21 4LY: before 2020L21 4LZ: before 2020L21 4NA: before 2020L21 4NB: before 2020L21 4ND: before 2020L21 4NH: before 2020L21 4NN: before 2020L21 4NP: before 2020L21 4NR: before 2020L21 4NS: before 2020L21 4NT: before 2020L21 4NU: before 2020L21 4NW: before 2020L21 4PA: before 2020L21 4PD: before 2020L21 4PF: before 2020L21 4PG: before 2020L21 4PJ: before 2020L21 4PL: before 2020L21 4PN: before 2020L21 4PQ: before 2020L21 4PW: before 2020L21 4PZ: before 2020 Bootle West Map of every postcode in the L21 4 sector, by new since 2020 Of the 39 postcodes in the L21 4 sector that ONS places, 39 were in use before 2020. Places named: Bootle West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Bootle West
  • New since 2020: 0
  • In use before 2020: 39

Of the 39 postcodes in the L21 4 sector that ONS places, 39 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. 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; when each came into use: the same directory; 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 L21 4?

Homes in L21 4 sold for a typical £131,250 in the 12 months to August 2026, across 8 sales, up 35.7% on the 12 months before, HM Land Registry's figures show.

£131,250 typical price, the 12 months to August 2026
£96,750 12 months to August 2025
▲ up 35.7% on the 12 months before
  • Terraced £131,250 8 sales

Standard sales of homes at market value at the postcodes that start L21 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

Postcodes in L21 4

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.

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.