L40 3 postcode sector in the L40 district

L40 3 is a sector of the L40 district: every postcode that starts L40 3. It has 36 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 L40 3 sector, and which are new since 2020

Map of every postcode in the L40 3 sector, by new since 2020 Of the 36 postcodes in the L40 3 sector that ONS places, 2 are new since 2020 and 34 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Croston, Mawdesley & Euxton South, Rural North East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. L40 3AB: before 2020L40 3AD: before 2020L40 3AE: before 2020L40 3PP: before 2020L40 3SA: before 2020L40 3SB: before 2020L40 3SD: before 2020L40 3SE: before 2020L40 3SF: before 2020L40 3SG: before 2020L40 3SH: before 2020L40 3SJ: before 2020L40 3SL: before 2020L40 3SN: before 2020L40 3SP: before 2020L40 3SQ: before 2020L40 3SR: before 2020L40 3SS: before 2020L40 3ST: before 2020L40 3SU: before 2020L40 3SX: before 2020L40 3SY: before 2020L40 3SZ: before 2020L40 3TA: before 2020L40 3TB: before 2020L40 3TD: before 2020L40 3TE: before 2020L40 3TF: before 2020L40 3TG: before 2020L40 3TH: before 2020L40 3TQ: before 2020L40 3TR: before 2020L40 3TW: before 2020L40 3AA: new since 2020 Croston, Mawdesley & Euxton SouthRural North East Map of every postcode in the L40 3 sector, by new since 2020 Of the 36 postcodes in the L40 3 sector that ONS places, 2 are new since 2020 and 34 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Croston, Mawdesley & Euxton South, Rural North East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Croston, Mawdesley & Euxton SouthRural North East
  • New since 2020: 2
  • In use before 2020: 34

Of the 36 postcodes in the L40 3 sector that ONS places, 2 are new since 2020 and 34 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. 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; 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

The 2 newest postcodes

L40 3XDNovember 2023L40 3AAApril 2020

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

L40 3XD

What do homes sell for in L40 3?

Homes in L40 3 sold for a typical £475,000 in the 12 months to August 2026, across 15 sales, up 7.5% on the 12 months before, HM Land Registry's figures show.

£475,000 typical price, the 12 months to August 2026
£441,900 12 months to August 2025
▲ up 7.5% on the 12 months before
  • Detached £485,000 9 sales
  • Semi-detached 4 sales, too few to price
  • Terraced 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start L40 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 L40 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.

L40 3AAL40 3ABL40 3ADL40 3AEL40 3PPL40 3SAL40 3SBL40 3SDL40 3SEL40 3SFL40 3SGL40 3SHL40 3SJL40 3SLL40 3SNL40 3SPL40 3SQL40 3SRL40 3SSL40 3STL40 3SUL40 3SWL40 3SXL40 3SYL40 3SZL40 3TAL40 3TBL40 3TDL40 3TEL40 3TFL40 3TGL40 3THL40 3TQL40 3TRL40 3TWL40 3XD

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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