LN3 4 postcode sector in the LN3 district

LN3 4 is a sector of the LN3 district: every postcode that starts LN3 4. It has 188 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 LN3 4 sector, by flood risk

Map of every postcode in the LN3 4 sector, by flood risk Of the 188 postcodes in the LN3 4 sector that ONS places, 14 have a home or business at high risk and 174 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 9 postcodes at high or medium risk. Places named: Washingborough and Heighington, Nettleham, Cherry Willingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A1434A46A15 LN3 4AA: not on the flood risk listLN3 4AB: not on the flood risk listLN3 4AD: not on the flood risk listLN3 4AF: not on the flood risk listLN3 4AG: not on the flood risk listLN3 4AH: not on the flood risk listLN3 4AJ: not on the flood risk listLN3 4AL: not on the flood risk listLN3 4AN: not on the flood risk listLN3 4AP: not on the flood risk listLN3 4AR: not on the flood risk listLN3 4AS: not on the flood risk listLN3 4AU: not on the flood risk listLN3 4AW: not on the flood risk listLN3 4AX: not on the flood risk listLN3 4BB: not on the flood risk listLN3 4BD: not on the flood risk listLN3 4BE: not on the flood risk listLN3 4BF: not on the flood risk listLN3 4BG: not on the flood risk listLN3 4BH: not on the flood risk listLN3 4BJ: not on the flood risk listLN3 4BN: not on the flood risk listLN3 4BP: not on the flood risk listLN3 4BQ: not on the flood risk listLN3 4BS: not on the flood risk listLN3 4BT: not on the flood risk listLN3 4BU: not on the flood risk listLN3 4BW: not on the flood risk listLN3 4BX: not on the flood risk listLN3 4BY: not on the flood risk listLN3 4BZ: not on the flood risk listLN3 4DA: not on the flood risk listLN3 4DD: not on the flood risk listLN3 4DE: not on the flood risk listLN3 4DF: not on the flood risk listLN3 4DG: not on the flood risk listLN3 4DH: not on the flood risk listLN3 4DL: not on the flood risk listLN3 4DN: not on the flood risk listLN3 4DP: not on the flood risk listLN3 4DQ: not on the flood risk listLN3 4DT: not on the flood risk listLN3 4DU: not on the flood risk listLN3 4DX: not on the flood risk listLN3 4DY: not on the flood risk listLN3 4DZ: not on the flood risk listLN3 4EA: not on the flood risk listLN3 4EB: not on the flood risk listLN3 4ED: not on the flood risk listLN3 4EE: not on the flood risk listLN3 4EF: not on the flood risk listLN3 4EG: not on the flood risk listLN3 4EH: not on the flood risk listLN3 4EJ: not on the flood risk listLN3 4EL: not on the flood risk listLN3 4EN: not on the flood risk listLN3 4EP: not on the flood risk listLN3 4EQ: not on the flood risk listLN3 4EX: not on the flood risk listLN3 4EY: not on the flood risk listLN3 4EZ: not on the flood risk listLN3 4FB: not on the flood risk listLN3 4FE: not on the flood risk listLN3 4FG: not on the flood risk listLN3 4FP: not on the flood risk listLN3 4FQ: not on the flood risk listLN3 4FT: not on the flood risk listLN3 4FU: not on the flood risk listLN3 4FX: not on the flood risk listLN3 4FY: not on the flood risk listLN3 4GA: not on the flood risk listLN3 4GB: not on the flood risk listLN3 4GD: not on the flood risk listLN3 4GE: not on the flood risk listLN3 4GF: not on the flood risk listLN3 4GH: not on the flood risk listLN3 4GL: not on the flood risk listLN3 4GP: not on the flood risk listLN3 4GT: not on the flood risk listLN3 4GW: not on the flood risk listLN3 4HA: not on the flood risk listLN3 4HB: not on the flood risk listLN3 4HD: not on the flood risk listLN3 4HF: not on the flood risk listLN3 4HG: not on the flood risk listLN3 4HH: not on the flood risk listLN3 4HQ: not on the flood risk listLN3 4HX: not on the flood risk listLN3 4HZ: not on the flood risk listLN3 4JA: not on the flood risk listLN3 4JD: not on the flood risk listLN3 4JF: not on the flood risk listLN3 4JG: not on the flood risk listLN3 4JH: not on the flood risk listLN3 4JJ: not on the flood risk listLN3 4JL: not on the flood risk listLN3 4JN: not on the flood risk listLN3 4JP: not on the flood risk listLN3 4JR: not on the flood risk listLN3 4JS: not on the flood risk listLN3 4JT: not on the flood risk listLN3 4JU: not on the flood risk listLN3 4JW: not on the flood risk listLN3 4JY: not on the flood risk listLN3 4JZ: not on the flood risk listLN3 4LD: not on the flood risk listLN3 4LJ: not on the flood risk listLN3 4LL: not on the flood risk listLN3 4LN: not on the flood risk listLN3 4LR: not on the flood risk listLN3 4LT: not on the flood risk listLN3 4LU: not on the flood risk listLN3 4LX: not on the flood risk listLN3 4LY: not on the flood risk listLN3 4LZ: not on the flood risk listLN3 4NB: not on the flood risk listLN3 4ND: not on the flood risk listLN3 4NH: not on the flood risk listLN3 4NJ: not on the flood risk listLN3 4NL: not on the flood risk listLN3 4NP: not on the flood risk listLN3 4NQ: not on the flood risk listLN3 4NR: not on the flood risk listLN3 4NT: not on the flood risk listLN3 4PB: not on the flood risk listLN3 4PH: not on the flood risk listLN3 4PL: not on the flood risk listLN3 4PN: not on the flood risk listLN3 4PP: not on the flood risk listLN3 4PQ: not on the flood risk listLN3 4PR: not on the flood risk listLN3 4PT: not on the flood risk listLN3 4RA: not on the flood risk listLN3 4RD: not on the flood risk listLN3 4RH: not on the flood risk listLN3 4RJ: not on the flood risk listLN3 4UT: not on the flood risk listLN3 4AE: high flood riskLN3 4ER: high flood riskLN3 4ES: high flood riskLN3 4ET: high flood riskLN3 4HJ: high flood riskLN3 4HL: high flood riskLN3 4HN: high flood riskLN3 4HP: high flood riskLN3 4HS: high flood riskLN3 4HT: high flood riskLN3 4HU: high flood riskLN3 4NG: high flood risk Washingborough and HeighingtonNettlehamCherry Willingham 9 postcodes at high or medium risk, outlined: this goes to LN3 4HN, the one with most homes and businesses at high risk9 postcodes at high or medium risk Map of every postcode in the LN3 4 sector, by flood risk Of the 188 postcodes in the LN3 4 sector that ONS places, 14 have a home or business at high risk and 174 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 9 postcodes at high or medium risk. Places named: Washingborough and Heighington, Nettleham, Cherry Willingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A158A1434A15 Washingborough and HeighingtonNettlehamCherry Willingham
  • A home or business at high risk: 14
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 174
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 188 postcodes in the LN3 4 sector that ONS places, 14 have a home or business at high risk and 174 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. A dashed outline shows where 5 or more lie within 170 metres of each other. It is not a boundary, and 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

14 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.

LN3 4HU93 at high riskLN3 4HN27 at high riskLN3 4HS25 at high riskLN3 4HY24 at high riskLN3 4HJ17 at high riskLN3 4HT11 at high riskLN3 4HP9 at high riskLN3 4HL8 at high riskLN3 4FS7 at high riskLN3 4ER5 at high riskLN3 4NG5 at high riskLN3 4ES4 at high risk

Where the postcodes at high or medium risk lie together

  • 9 postcodes at high or medium risk, outlined on the map. LN3 4HN, is the one with most homes and businesses at high risk.

What do homes sell for in LN3 4?

Homes in LN3 4 sold for a typical £240,000 in the 12 months to August 2026, across 58 sales, down 2% on the 12 months before, HM Land Registry's figures show.

£240,000 typical price, the 12 months to August 2026
£245,000 12 months to August 2025
▼ down 2% on the 12 months before
  • Detached £290,000 40 sales
  • Semi-detached £187,000 11 sales
  • Terraced £189,250 6 sales
  • Flat or maisonette 1 sale, 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 LN3 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 LN3 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.

LN3 4AALN3 4ABLN3 4ADLN3 4AELN3 4AFLN3 4AGLN3 4AHLN3 4AJLN3 4ALLN3 4ANLN3 4APLN3 4AQLN3 4ARLN3 4ASLN3 4ATLN3 4AULN3 4AWLN3 4AXLN3 4AYLN3 4AZLN3 4BALN3 4BBLN3 4BDLN3 4BELN3 4BFLN3 4BGLN3 4BHLN3 4BJLN3 4BLLN3 4BNLN3 4BPLN3 4BQLN3 4BSLN3 4BTLN3 4BULN3 4BWLN3 4BXLN3 4BYLN3 4BZLN3 4DALN3 4DBLN3 4DDLN3 4DELN3 4DFLN3 4DGLN3 4DHLN3 4DJLN3 4DLLN3 4DNLN3 4DPLN3 4DQLN3 4DRLN3 4DTLN3 4DULN3 4DXLN3 4DYLN3 4DZLN3 4EALN3 4EBLN3 4EDLN3 4EELN3 4EFLN3 4EGLN3 4EHLN3 4EJLN3 4ELLN3 4ENLN3 4EPLN3 4EQLN3 4ERLN3 4ESLN3 4ETLN3 4EULN3 4EWLN3 4EXLN3 4EYLN3 4EZLN3 4FBLN3 4FDLN3 4FELN3 4FFLN3 4FGLN3 4FPLN3 4FQLN3 4FRLN3 4FSLN3 4FTLN3 4FULN3 4FWLN3 4FXLN3 4FYLN3 4GALN3 4GBLN3 4GDLN3 4GELN3 4GFLN3 4GHLN3 4GLLN3 4GPLN3 4GQLN3 4GRLN3 4GSLN3 4GTLN3 4GWLN3 4HALN3 4HBLN3 4HDLN3 4HELN3 4HFLN3 4HGLN3 4HHLN3 4HJLN3 4HLLN3 4HNLN3 4HPLN3 4HQLN3 4HSLN3 4HTLN3 4HULN3 4HWLN3 4HXLN3 4HYLN3 4HZLN3 4JALN3 4JBLN3 4JDLN3 4JELN3 4JFLN3 4JGLN3 4JHLN3 4JJLN3 4JLLN3 4JNLN3 4JPLN3 4JQLN3 4JRLN3 4JSLN3 4JTLN3 4JULN3 4JWLN3 4JXLN3 4JYLN3 4JZLN3 4LALN3 4LDLN3 4LFLN3 4LHLN3 4LJLN3 4LLLN3 4LNLN3 4LPLN3 4LRLN3 4LSLN3 4LTLN3 4LULN3 4LWLN3 4LXLN3 4LYLN3 4LZLN3 4NALN3 4NBLN3 4NDLN3 4NGLN3 4NHLN3 4NJLN3 4NLLN3 4NPLN3 4NQLN3 4NRLN3 4NTLN3 4PBLN3 4PDLN3 4PHLN3 4PLLN3 4PNLN3 4PPLN3 4PQLN3 4PRLN3 4PSLN3 4PTLN3 4RALN3 4RBLN3 4RDLN3 4RELN3 4RHLN3 4RJLN3 4RPLN3 4UT

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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