LN12 1 postcode sector in the LN12 district

LN12 1 is a sector of the LN12 district: every postcode that starts LN12 1. It has 166 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 LN12 1 sector, by flood risk

Map of every postcode in the LN12 1 sector, by flood risk Of the 166 postcodes in the LN12 1 sector that ONS places, 33 have a home or business at high risk, 4 are at medium risk at worst, 127 are at low risk at worst, 1 are at very low risk only and 1 are not on the Environment Agency's at-risk list. Places named: Mablethorpe. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1031 LN12 1AH: very low flood risk onlyLN12 1AA: low flood risk at worstLN12 1AB: low flood risk at worstLN12 1AD: low flood risk at worstLN12 1AF: low flood risk at worstLN12 1AG: low flood risk at worstLN12 1FL: low flood risk at worstLN12 1AQ: low flood risk at worstLN12 1AS: low flood risk at worstLN12 1AT: low flood risk at worstLN12 1AU: low flood risk at worstLN12 1AX: low flood risk at worstLN12 1BE: low flood risk at worstLN12 1BG: low flood risk at worstLN12 1BH: low flood risk at worstLN12 1BJ: low flood risk at worstLN12 1BL: low flood risk at worstLN12 1BN: low flood risk at worstLN12 1BP: low flood risk at worstLN12 1BQ: low flood risk at worstLN12 1BS: low flood risk at worstLN12 1BT: low flood risk at worstLN12 1BU: low flood risk at worstLN12 1BW: low flood risk at worstLN12 1BX: low flood risk at worstLN12 1BY: low flood risk at worstLN12 1DA: low flood risk at worstLN12 1DB: low flood risk at worstLN12 1DD: low flood risk at worstLN12 1DE: low flood risk at worstLN12 1DF: low flood risk at worstLN12 1DG: low flood risk at worstLN12 1DP: low flood risk at worstLN12 1DR: low flood risk at worstLN12 1EH: low flood risk at worstLN12 1EJ: low flood risk at worstLN12 1EL: low flood risk at worstLN12 1EN: low flood risk at worstLN12 1EP: low flood risk at worstLN12 1ER: low flood risk at worstLN12 1ET: low flood risk at worstLN12 1EU: low flood risk at worstLN12 1EW: low flood risk at worstLN12 1EX: low flood risk at worstLN12 1EY: low flood risk at worstLN12 1EZ: low flood risk at worstLN12 1FA: low flood risk at worstLN12 1FB: low flood risk at worstLN12 1FD: low flood risk at worstLN12 1FE: low flood risk at worstLN12 1FF: low flood risk at worstLN12 1FJ: low flood risk at worstLN12 1FN: low flood risk at worstLN12 1GA: low flood risk at worstLN12 1HA: low flood risk at worstLN12 1HB: low flood risk at worstLN12 1HE: low flood risk at worstLN12 1HF: low flood risk at worstLN12 1HH: low flood risk at worstLN12 1HL: low flood risk at worstLN12 1HN: low flood risk at worstLN12 1HP: low flood risk at worstLN12 1HR: low flood risk at worstLN12 1HT: low flood risk at worstLN12 1HU: low flood risk at worstLN12 1HW: low flood risk at worstLN12 1HX: low flood risk at worstLN12 1HY: low flood risk at worstLN12 1HZ: low flood risk at worstLN12 1JA: low flood risk at worstLN12 1JD: low flood risk at worstLN12 1JE: low flood risk at worstLN12 1JF: low flood risk at worstLN12 1JJ: low flood risk at worstLN12 1JL: low flood risk at worstLN12 1JN: low flood risk at worstLN12 1JP: low flood risk at worstLN12 1JS: low flood risk at worstLN12 1JT: low flood risk at worstLN12 1JU: low flood risk at worstLN12 1JW: low flood risk at worstLN12 1JX: low flood risk at worstLN12 1JY: low flood risk at worstLN12 1JZ: low flood risk at worstLN12 1LD: low flood risk at worstLN12 1LE: low flood risk at worstLN12 1LF: low flood risk at worstLN12 1LG: low flood risk at worstLN12 1LH: low flood risk at worstLN12 1LJ: low flood risk at worstLN12 1LL: low flood risk at worstLN12 1LN: low flood risk at worstLN12 1LP: low flood risk at worstLN12 1LQ: low flood risk at worstLN12 1LR: low flood risk at worstLN12 1LS: low flood risk at worstLN12 1LT: low flood risk at worstLN12 1LW: low flood risk at worstLN12 1LX: low flood risk at worstLN12 1LY: low flood risk at worstLN12 1LZ: low flood risk at worstLN12 1NA: low flood risk at worstLN12 1NB: low flood risk at worstLN12 1NF: low flood risk at worstLN12 1NG: low flood risk at worstLN12 1NZ: low flood risk at worstLN12 1QG: low flood risk at worstLN12 1QL: low flood risk at worstLN12 1QN: low flood risk at worstLN12 1QP: low flood risk at worstLN12 1QQ: low flood risk at worstLN12 1QR: low flood risk at worstLN12 1QS: low flood risk at worstLN12 1QT: low flood risk at worstLN12 1QW: low flood risk at worstLN12 1QY: low flood risk at worstLN12 1RB: low flood risk at worstLN12 1RD: low flood risk at worstLN12 1RH: low flood risk at worstLN12 1RP: low flood risk at worstLN12 1RQ: low flood risk at worstLN12 1RR: low flood risk at worstLN12 1AL: medium flood risk at worstLN12 1FR: medium flood risk at worstLN12 1LU: medium flood risk at worstLN12 1QF: medium flood risk at worstLN12 1ES: high flood riskLN12 1JH: high flood riskLN12 1NE: high flood riskLN12 1NH: high flood riskLN12 1NJ: high flood riskLN12 1NL: high flood riskLN12 1NN: high flood riskLN12 1NP: high flood riskLN12 1NQ: high flood riskLN12 1NR: high flood riskLN12 1NS: high flood riskLN12 1NT: high flood riskLN12 1NU: high flood riskLN12 1NW: high flood riskLN12 1NX: high flood riskLN12 1PA: high flood riskLN12 1PB: high flood riskLN12 1PD: high flood riskLN12 1PE: high flood riskLN12 1PF: high flood riskLN12 1PG: high flood riskLN12 1PH: high flood riskLN12 1PJ: high flood riskLN12 1PQ: high flood riskLN12 1PR: high flood riskLN12 1PX: high flood riskLN12 1PZ: high flood riskLN12 1QA: high flood riskLN12 1QB: high flood riskLN12 1QD: high flood riskLN12 1QE: high flood riskLN12 1QJ: high flood riskLN12 1RG: high flood risk Mablethorpe Map of every postcode in the LN12 1 sector, by flood risk Of the 166 postcodes in the LN12 1 sector that ONS places, 33 have a home or business at high risk, 4 are at medium risk at worst, 127 are at low risk at worst, 1 are at very low risk only and 1 are not on the Environment Agency's at-risk list. Places named: Mablethorpe. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Mablethorpe
  • A home or business at high risk: 33
  • At medium risk at worst: 4
  • At low risk at worst: 127
  • At very low risk only: 1
  • Not on the at-risk list: 1

Of the 166 postcodes in the LN12 1 sector that ONS places, 33 have a home or business at high risk, 4 are at medium risk at worst, 127 are at low risk at worst, 1 are at very low risk only and 1 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.

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 high risk

33 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

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

What do homes sell for in LN12 1?

Homes in LN12 1 sold for a typical £175,000 in the 12 months to August 2026, across 48 sales, up 2.9% on the 12 months before, HM Land Registry's figures show.

£175,000 typical price, the 12 months to August 2026
£170,000 12 months to August 2025
▲ up 2.9% on the 12 months before
  • Detached £212,000 21 sales
  • Semi-detached £156,000 24 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 LN12 1. 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 LN12 1

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.