L31 5 postcode sector in the L31 district

L31 5 is a sector of the L31 district: every postcode that starts L31 5. It has 64 postcodes in use, one of them a large-user postcode. 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 L31 5 sector, by flood risk

Map of every postcode in the L31 5 sector, by flood risk Of the 64 postcodes in the L31 5 sector that ONS places, 1 are at medium risk at worst and 63 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Maghull East, Aintree & Maghull South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A59M58 L31 5AB: not on the flood risk listL31 5JA: not on the flood risk listL31 5JB: not on the flood risk listL31 5JE: not on the flood risk listL31 5JF: not on the flood risk listL31 5JG: not on the flood risk listL31 5JH: not on the flood risk listL31 5JJ: not on the flood risk listL31 5JL: not on the flood risk listL31 5JN: not on the flood risk listL31 5JP: not on the flood risk listL31 5JQ: not on the flood risk listL31 5JR: not on the flood risk listL31 5JS: not on the flood risk listL31 5JT: not on the flood risk listL31 5JU: not on the flood risk listL31 5JW: not on the flood risk listL31 5JX: not on the flood risk listL31 5JY: not on the flood risk listL31 5JZ: not on the flood risk listL31 5LA: not on the flood risk listL31 5LB: not on the flood risk listL31 5LD: not on the flood risk listL31 5LE: not on the flood risk listL31 5LF: not on the flood risk listL31 5LG: not on the flood risk listL31 5LJ: not on the flood risk listL31 5LN: not on the flood risk listL31 5LP: not on the flood risk listL31 5LQ: not on the flood risk listL31 5LR: not on the flood risk listL31 5LS: not on the flood risk listL31 5LT: not on the flood risk listL31 5LU: not on the flood risk listL31 5LW: not on the flood risk listL31 5LX: not on the flood risk listL31 5LY: not on the flood risk listL31 5LZ: not on the flood risk listL31 5NB: not on the flood risk listL31 5ND: not on the flood risk listL31 5NE: not on the flood risk listL31 5NF: not on the flood risk listL31 5NG: not on the flood risk listL31 5NH: not on the flood risk listL31 5NJ: not on the flood risk listL31 5NL: not on the flood risk listL31 5NN: not on the flood risk listL31 5NP: not on the flood risk listL31 5NR: not on the flood risk listL31 5NS: not on the flood risk listL31 5NT: not on the flood risk listL31 5NW: not on the flood risk listL31 5NX: not on the flood risk listL31 5NY: not on the flood risk listL31 5NZ: not on the flood risk listL31 5PA: not on the flood risk listL31 5PB: not on the flood risk listL31 5PD: not on the flood risk listL31 5PL: not on the flood risk listL31 5PN: not on the flood risk listL31 5PP: not on the flood risk listL31 5PW: not on the flood risk listL31 5NQ: medium flood risk at worst Maghull EastAintree & Maghull South Map of every postcode in the L31 5 sector, by flood risk Of the 64 postcodes in the L31 5 sector that ONS places, 1 are at medium risk at worst and 63 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Maghull East, Aintree & Maghull South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Maghull EastAintree & Maghull South
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 63

Of the 64 postcodes in the L31 5 sector that ONS places, 1 are at medium risk at worst and 63 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

The postcodes at medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

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.

What do homes sell for in L31 5?

Homes in L31 5 sold for a typical £240,000 in the 12 months to August 2026, across 27 sales, up 19.3% on the 12 months before, HM Land Registry's figures show.

£240,000 typical price, the 12 months to August 2026
£201,250 12 months to August 2025
▲ up 19.3% on the 12 months before
  • Detached £315,000 6 sales
  • Semi-detached £230,000 18 sales
  • Terraced 3 sales, too few to price

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 L31 5. 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

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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