L20 4 postcode sector in the L20 district

L20 4 is a sector of the L20 district: every postcode that starts L20 4. It has 186 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 L20 4 sector, by flood risk

Map of every postcode in the L20 4 sector, by flood risk Of the 186 postcodes in the L20 4 sector that ONS places, 186 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: Bootle West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A567A565A566 L20 4AB: not on the flood risk listL20 4AD: not on the flood risk listL20 4AE: not on the flood risk listL20 4AG: not on the flood risk listL20 4AH: not on the flood risk listL20 4AL: not on the flood risk listL20 4AP: not on the flood risk listL20 4AS: not on the flood risk listL20 4AU: not on the flood risk listL20 4AX: not on the flood risk listL20 4AY: not on the flood risk listL20 4AZ: not on the flood risk listL20 4BB: not on the flood risk listL20 4BG: not on the flood risk listL20 4BL: not on the flood risk listL20 4BP: not on the flood risk listL20 4BU: not on the flood risk listL20 4DB: not on the flood risk listL20 4DF: not on the flood risk listL20 4DG: not on the flood risk listL20 4DL: not on the flood risk listL20 4DN: not on the flood risk listL20 4DS: not on the flood risk listL20 4DT: not on the flood risk listL20 4DU: not on the flood risk listL20 4DX: not on the flood risk listL20 4DY: not on the flood risk listL20 4EA: not on the flood risk listL20 4ED: not on the flood risk listL20 4EF: not on the flood risk listL20 4EG: not on the flood risk listL20 4EH: not on the flood risk listL20 4EJ: not on the flood risk listL20 4EL: not on the flood risk listL20 4EN: not on the flood risk listL20 4ET: not on the flood risk listL20 4EU: not on the flood risk listL20 4EX: not on the flood risk listL20 4EY: not on the flood risk listL20 4FB: not on the flood risk listL20 4FD: not on the flood risk listL20 4FE: not on the flood risk listL20 4HA: not on the flood risk listL20 4HB: not on the flood risk listL20 4HH: not on the flood risk listL20 4HN: not on the flood risk listL20 4HU: not on the flood risk listL20 4JA: not on the flood risk listL20 4JB: not on the flood risk listL20 4JE: not on the flood risk listL20 4JG: not on the flood risk listL20 4JH: not on the flood risk listL20 4JJ: not on the flood risk listL20 4JL: not on the flood risk listL20 4JN: not on the flood risk listL20 4JP: not on the flood risk listL20 4JQ: not on the flood risk listL20 4JR: not on the flood risk listL20 4JS: not on the flood risk listL20 4JU: not on the flood risk listL20 4JW: not on the flood risk listL20 4JX: not on the flood risk listL20 4JZ: not on the flood risk listL20 4LA: not on the flood risk listL20 4LB: not on the flood risk listL20 4LE: not on the flood risk listL20 4LF: not on the flood risk listL20 4LG: not on the flood risk listL20 4LH: not on the flood risk listL20 4LJ: not on the flood risk listL20 4LL: not on the flood risk listL20 4LN: not on the flood risk listL20 4LP: not on the flood risk listL20 4LQ: not on the flood risk listL20 4LU: not on the flood risk listL20 4LW: not on the flood risk listL20 4LX: not on the flood risk listL20 4LZ: not on the flood risk listL20 4NF: not on the flood risk listL20 4NH: not on the flood risk listL20 4NJ: not on the flood risk listL20 4NL: not on the flood risk listL20 4NN: not on the flood risk listL20 4NP: not on the flood risk listL20 4NR: not on the flood risk listL20 4NU: not on the flood risk listL20 4NX: not on the flood risk listL20 4NY: not on the flood risk listL20 4NZ: not on the flood risk listL20 4PA: not on the flood risk listL20 4PB: not on the flood risk listL20 4PD: not on the flood risk listL20 4PE: not on the flood risk listL20 4PF: not on the flood risk listL20 4PG: not on the flood risk listL20 4PH: not on the flood risk listL20 4PJ: not on the flood risk listL20 4PL: not on the flood risk listL20 4PN: not on the flood risk listL20 4PQ: not on the flood risk listL20 4PR: not on the flood risk listL20 4PS: not on the flood risk listL20 4PT: not on the flood risk listL20 4PU: not on the flood risk listL20 4PW: not on the flood risk listL20 4PX: not on the flood risk listL20 4PY: not on the flood risk listL20 4PZ: not on the flood risk listL20 4QA: not on the flood risk listL20 4QD: not on the flood risk listL20 4QE: not on the flood risk listL20 4QF: not on the flood risk listL20 4QG: not on the flood risk listL20 4QH: not on the flood risk listL20 4QJ: not on the flood risk listL20 4QN: not on the flood risk listL20 4QP: not on the flood risk listL20 4QQ: not on the flood risk listL20 4QR: not on the flood risk listL20 4QS: not on the flood risk listL20 4QT: not on the flood risk listL20 4RD: not on the flood risk listL20 4RE: not on the flood risk listL20 4RH: not on the flood risk listL20 4RJ: not on the flood risk listL20 4RL: not on the flood risk listL20 4RN: not on the flood risk listL20 4RP: not on the flood risk listL20 4RR: not on the flood risk listL20 4RS: not on the flood risk listL20 4RT: not on the flood risk listL20 4RU: not on the flood risk listL20 4RW: not on the flood risk listL20 4RY: not on the flood risk listL20 4RZ: not on the flood risk listL20 4SE: not on the flood risk listL20 4SF: not on the flood risk listL20 4SG: not on the flood risk listL20 4SJ: not on the flood risk listL20 4SN: not on the flood risk listL20 4SP: not on the flood risk listL20 4SQ: not on the flood risk listL20 4SR: not on the flood risk listL20 4SS: not on the flood risk listL20 4ST: not on the flood risk listL20 4SU: not on the flood risk listL20 4SW: not on the flood risk listL20 4SX: not on the flood risk listL20 4SY: not on the flood risk listL20 4SZ: not on the flood risk listL20 4TD: not on the flood risk listL20 4TE: not on the flood risk listL20 4TP: not on the flood risk listL20 4TR: not on the flood risk listL20 4TU: not on the flood risk listL20 4TX: not on the flood risk listL20 4UF: not on the flood risk listL20 4UG: not on the flood risk listL20 4UH: not on the flood risk listL20 4UJ: not on the flood risk listL20 4UL: not on the flood risk listL20 4UN: not on the flood risk listL20 4UP: not on the flood risk listL20 4US: not on the flood risk listL20 4UT: not on the flood risk listL20 4UU: not on the flood risk listL20 4UW: not on the flood risk listL20 4UX: not on the flood risk listL20 4UY: not on the flood risk listL20 4UZ: not on the flood risk listL20 4XA: not on the flood risk listL20 4XE: not on the flood risk listL20 4XG: not on the flood risk listL20 4XP: not on the flood risk listL20 4XX: not on the flood risk listL20 4XY: not on the flood risk listL20 4XZ: not on the flood risk listL20 4YG: not on the flood risk list Bootle West Map of every postcode in the L20 4 sector, by flood risk Of the 186 postcodes in the L20 4 sector that ONS places, 186 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: Bootle West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Bootle West
  • 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: 186

Of the 186 postcodes in the L20 4 sector that ONS places, 186 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

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

L20 4AAL20 4XR

What do homes sell for in L20 4?

Homes in L20 4 sold for a typical £95,000 in the 12 months to August 2026, across 33 sales, down 2.6% on the 12 months before, HM Land Registry's figures show.

£95,000 typical price, the 12 months to August 2026
£97,500 12 months to August 2025
▼ down 2.6% on the 12 months before
  • Semi-detached £160,000 5 sales
  • Terraced £100,000 19 sales
  • Flat or maisonette £77,000 9 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 L20 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 L20 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.

L20 4AAL20 4ABL20 4ADL20 4AEL20 4AGL20 4AHL20 4ALL20 4APL20 4ASL20 4AUL20 4AXL20 4AYL20 4AZL20 4BBL20 4BGL20 4BLL20 4BPL20 4BUL20 4DBL20 4DFL20 4DGL20 4DLL20 4DNL20 4DSL20 4DTL20 4DUL20 4DXL20 4DYL20 4EAL20 4EDL20 4EFL20 4EGL20 4EHL20 4EJL20 4ELL20 4ENL20 4EQL20 4ETL20 4EUL20 4EWL20 4EXL20 4EYL20 4FBL20 4FDL20 4FEL20 4HAL20 4HBL20 4HHL20 4HNL20 4HUL20 4JAL20 4JBL20 4JEL20 4JGL20 4JHL20 4JJL20 4JLL20 4JNL20 4JPL20 4JQL20 4JRL20 4JSL20 4JUL20 4JWL20 4JXL20 4JZL20 4LAL20 4LBL20 4LEL20 4LFL20 4LGL20 4LHL20 4LJL20 4LLL20 4LNL20 4LPL20 4LQL20 4LUL20 4LWL20 4LXL20 4LZL20 4NFL20 4NHL20 4NJL20 4NLL20 4NNL20 4NPL20 4NRL20 4NUL20 4NXL20 4NYL20 4NZL20 4PAL20 4PBL20 4PDL20 4PEL20 4PFL20 4PGL20 4PHL20 4PJL20 4PLL20 4PNL20 4PQL20 4PRL20 4PSL20 4PTL20 4PUL20 4PWL20 4PXL20 4PYL20 4PZL20 4QAL20 4QDL20 4QEL20 4QFL20 4QGL20 4QHL20 4QJL20 4QNL20 4QPL20 4QQL20 4QRL20 4QSL20 4QTL20 4RDL20 4REL20 4RHL20 4RJL20 4RLL20 4RNL20 4RPL20 4RRL20 4RSL20 4RTL20 4RUL20 4RWL20 4RYL20 4RZL20 4SEL20 4SFL20 4SGL20 4SJL20 4SLL20 4SNL20 4SPL20 4SQL20 4SRL20 4SSL20 4STL20 4SUL20 4SWL20 4SXL20 4SYL20 4SZL20 4TDL20 4TEL20 4TPL20 4TQL20 4TRL20 4TUL20 4TWL20 4TXL20 4TZL20 4UFL20 4UGL20 4UHL20 4UJL20 4ULL20 4UNL20 4UPL20 4USL20 4UTL20 4UUL20 4UWL20 4UXL20 4UYL20 4UZL20 4XAL20 4XEL20 4XGL20 4XPL20 4XRL20 4XXL20 4XYL20 4XZL20 4YG

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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