L18 3 postcode sector in the L18 district

L18 3 is a sector of the L18 district: every postcode that starts L18 3. It has 79 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 L18 3 sector, by flood risk

Map of every postcode in the L18 3 sector, by flood risk Of the 79 postcodes in the L18 3 sector that ONS places, 79 are not on the Environment Agency's at-risk list. Places named: Calderstones, Allerton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. L18 3AB: not on the flood risk listL18 3EA: not on the flood risk listL18 3EB: not on the flood risk listL18 3ED: not on the flood risk listL18 3EE: not on the flood risk listL18 3EF: not on the flood risk listL18 3EG: not on the flood risk listL18 3EH: not on the flood risk listL18 3EJ: not on the flood risk listL18 3EL: not on the flood risk listL18 3EN: not on the flood risk listL18 3EP: not on the flood risk listL18 3EQ: not on the flood risk listL18 3ER: not on the flood risk listL18 3ES: not on the flood risk listL18 3ET: not on the flood risk listL18 3EU: not on the flood risk listL18 3EW: not on the flood risk listL18 3EX: not on the flood risk listL18 3EY: not on the flood risk listL18 3EZ: not on the flood risk listL18 3HA: not on the flood risk listL18 3HB: not on the flood risk listL18 3HD: not on the flood risk listL18 3HE: not on the flood risk listL18 3HF: not on the flood risk listL18 3HG: not on the flood risk listL18 3HH: not on the flood risk listL18 3HJ: not on the flood risk listL18 3HL: not on the flood risk listL18 3HN: not on the flood risk listL18 3HP: not on the flood risk listL18 3HQ: not on the flood risk listL18 3HR: not on the flood risk listL18 3HS: not on the flood risk listL18 3HU: not on the flood risk listL18 3HW: not on the flood risk listL18 3HX: not on the flood risk listL18 3HY: not on the flood risk listL18 3HZ: not on the flood risk listL18 3JA: not on the flood risk listL18 3JB: not on the flood risk listL18 3JE: not on the flood risk listL18 3JF: not on the flood risk listL18 3JG: not on the flood risk listL18 3JL: not on the flood risk listL18 3JN: not on the flood risk listL18 3JR: not on the flood risk listL18 3JS: not on the flood risk listL18 3JT: not on the flood risk listL18 3JU: not on the flood risk listL18 3JX: not on the flood risk listL18 3JY: not on the flood risk listL18 3JZ: not on the flood risk listL18 3LA: not on the flood risk listL18 3LB: not on the flood risk listL18 3LD: not on the flood risk listL18 3LF: not on the flood risk listL18 3LH: not on the flood risk listL18 3LJ: not on the flood risk listL18 3LL: not on the flood risk listL18 3LN: not on the flood risk listL18 3LP: not on the flood risk listL18 3LQ: not on the flood risk listL18 3LT: not on the flood risk listL18 3LU: not on the flood risk listL18 3LW: not on the flood risk listL18 3NF: not on the flood risk listL18 3NG: not on the flood risk listL18 3NH: not on the flood risk listL18 3NJ: not on the flood risk listL18 3NL: not on the flood risk listL18 3NN: not on the flood risk listL18 3NP: not on the flood risk listL18 3NQ: not on the flood risk listL18 3NU: not on the flood risk listL18 3NW: not on the flood risk list CalderstonesAllerton Map of every postcode in the L18 3 sector, by flood risk Of the 79 postcodes in the L18 3 sector that ONS places, 79 are not on the Environment Agency's at-risk list. Places named: Calderstones, Allerton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. CalderstonesAllerton
  • 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: 79

Of the 79 postcodes in the L18 3 sector that ONS places, 79 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 L18 3?

Homes in L18 3 sold for a typical £530,000 in the 12 months to August 2026, across 37 sales, up 12.8% on the 12 months before, HM Land Registry's figures show.

£530,000 typical price, the 12 months to August 2026
£470,000 12 months to August 2025
▲ up 12.8% on the 12 months before
  • Detached £635,000 15 sales
  • Semi-detached £593,750 8 sales
  • Terraced 1 sale, too few to price
  • Flat or maisonette £167,500 13 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 L18 3. 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 L18 3

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.

L18 3ABL18 3EAL18 3EBL18 3EDL18 3EEL18 3EFL18 3EGL18 3EHL18 3EJL18 3ELL18 3ENL18 3EPL18 3EQL18 3ERL18 3ESL18 3ETL18 3EUL18 3EWL18 3EXL18 3EYL18 3EZL18 3HAL18 3HBL18 3HDL18 3HEL18 3HFL18 3HGL18 3HHL18 3HJL18 3HLL18 3HNL18 3HPL18 3HQL18 3HRL18 3HSL18 3HUL18 3HWL18 3HXL18 3HYL18 3HZL18 3JAL18 3JBL18 3JEL18 3JFL18 3JGL18 3JLL18 3JNL18 3JRL18 3JSL18 3JTL18 3JUL18 3JXL18 3JYL18 3JZL18 3LAL18 3LBL18 3LDL18 3LFL18 3LHL18 3LJL18 3LLL18 3LNL18 3LPL18 3LQL18 3LTL18 3LUL18 3LWL18 3NFL18 3NGL18 3NHL18 3NJL18 3NLL18 3NNL18 3NPL18 3NQL18 3NUL18 3NWL18 3WHL18 3XA

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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