M31 4 postcode sector in the M31 district

M31 4 is a sector of the M31 district: every postcode that starts M31 4. It has 267 postcodes in use, 5 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 M31 4 sector, by flood risk

Map of every postcode in the M31 4 sector, by flood risk Of the 267 postcodes in the M31 4 sector that ONS places, 5 have a home or business at high risk, 2 are at medium risk at worst and 260 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: Partington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A6144A57 M31 4AA: not on the flood risk listM31 4AB: not on the flood risk listM31 4AE: not on the flood risk listM31 4AG: not on the flood risk listM31 4AJ: not on the flood risk listM31 4AN: not on the flood risk listM31 4AP: not on the flood risk listM31 4AQ: not on the flood risk listM31 4AR: not on the flood risk listM31 4AS: not on the flood risk listM31 4AW: not on the flood risk listM31 4AZ: not on the flood risk listM31 4BA: not on the flood risk listM31 4BB: not on the flood risk listM31 4BE: not on the flood risk listM31 4BF: not on the flood risk listM31 4BH: not on the flood risk listM31 4BJ: not on the flood risk listM31 4BL: not on the flood risk listM31 4BN: not on the flood risk listM31 4BQ: not on the flood risk listM31 4BU: not on the flood risk listM31 4BW: not on the flood risk listM31 4BX: not on the flood risk listM31 4DB: not on the flood risk listM31 4DE: not on the flood risk listM31 4DF: not on the flood risk listM31 4DG: not on the flood risk listM31 4DH: not on the flood risk listM31 4DJ: not on the flood risk listM31 4DL: not on the flood risk listM31 4DN: not on the flood risk listM31 4DP: not on the flood risk listM31 4DQ: not on the flood risk listM31 4DR: not on the flood risk listM31 4DS: not on the flood risk listM31 4DT: not on the flood risk listM31 4DU: not on the flood risk listM31 4DW: not on the flood risk listM31 4DX: not on the flood risk listM31 4DY: not on the flood risk listM31 4DZ: not on the flood risk listM31 4EA: not on the flood risk listM31 4EB: not on the flood risk listM31 4ED: not on the flood risk listM31 4EF: not on the flood risk listM31 4EG: not on the flood risk listM31 4EJ: not on the flood risk listM31 4EL: not on the flood risk listM31 4EN: not on the flood risk listM31 4EP: not on the flood risk listM31 4EQ: not on the flood risk listM31 4ES: not on the flood risk listM31 4ET: not on the flood risk listM31 4EU: not on the flood risk listM31 4EW: not on the flood risk listM31 4EX: not on the flood risk listM31 4EY: not on the flood risk listM31 4EZ: not on the flood risk listM31 4FA: not on the flood risk listM31 4FB: not on the flood risk listM31 4FD: not on the flood risk listM31 4FE: not on the flood risk listM31 4FF: not on the flood risk listM31 4FG: not on the flood risk listM31 4FH: not on the flood risk listM31 4FL: not on the flood risk listM31 4FN: not on the flood risk listM31 4FP: not on the flood risk listM31 4FQ: not on the flood risk listM31 4FR: not on the flood risk listM31 4FT: not on the flood risk listM31 4FU: not on the flood risk listM31 4FW: not on the flood risk listM31 4FX: not on the flood risk listM31 4FY: not on the flood risk listM31 4FZ: not on the flood risk listM31 4GA: not on the flood risk listM31 4GB: not on the flood risk listM31 4GD: not on the flood risk listM31 4GF: not on the flood risk listM31 4GG: not on the flood risk listM31 4GH: not on the flood risk listM31 4GJ: not on the flood risk listM31 4GL: not on the flood risk listM31 4GQ: not on the flood risk listM31 4GR: not on the flood risk listM31 4GS: not on the flood risk listM31 4GT: not on the flood risk listM31 4GU: not on the flood risk listM31 4GW: not on the flood risk listM31 4GX: not on the flood risk listM31 4GY: not on the flood risk listM31 4GZ: not on the flood risk listM31 4HA: not on the flood risk listM31 4HB: not on the flood risk listM31 4HD: not on the flood risk listM31 4HE: not on the flood risk listM31 4HF: not on the flood risk listM31 4HG: not on the flood risk listM31 4HH: not on the flood risk listM31 4HL: not on the flood risk listM31 4HN: not on the flood risk listM31 4HP: not on the flood risk listM31 4HQ: not on the flood risk listM31 4HR: not on the flood risk listM31 4HS: not on the flood risk listM31 4HT: not on the flood risk listM31 4HU: not on the flood risk listM31 4HW: not on the flood risk listM31 4HX: not on the flood risk listM31 4HY: not on the flood risk listM31 4HZ: not on the flood risk listM31 4JA: not on the flood risk listM31 4JB: not on the flood risk listM31 4JD: not on the flood risk listM31 4JE: not on the flood risk listM31 4JF: not on the flood risk listM31 4JG: not on the flood risk listM31 4JH: not on the flood risk listM31 4JL: not on the flood risk listM31 4JP: not on the flood risk listM31 4JQ: not on the flood risk listM31 4JR: not on the flood risk listM31 4JS: not on the flood risk listM31 4JT: not on the flood risk listM31 4JU: not on the flood risk listM31 4JW: not on the flood risk listM31 4JX: not on the flood risk listM31 4LA: not on the flood risk listM31 4LB: not on the flood risk listM31 4LD: not on the flood risk listM31 4LE: not on the flood risk listM31 4LF: not on the flood risk listM31 4LG: not on the flood risk listM31 4LH: not on the flood risk listM31 4LJ: not on the flood risk listM31 4LL: not on the flood risk listM31 4LN: not on the flood risk listM31 4LP: not on the flood risk listM31 4LQ: not on the flood risk listM31 4LR: not on the flood risk listM31 4LS: not on the flood risk listM31 4LT: not on the flood risk listM31 4LW: not on the flood risk listM31 4LX: not on the flood risk listM31 4LY: not on the flood risk listM31 4LZ: not on the flood risk listM31 4NA: not on the flood risk listM31 4NB: not on the flood risk listM31 4ND: not on the flood risk listM31 4NE: not on the flood risk listM31 4NF: not on the flood risk listM31 4NG: not on the flood risk listM31 4NH: not on the flood risk listM31 4NJ: not on the flood risk listM31 4NL: not on the flood risk listM31 4NN: not on the flood risk listM31 4NP: not on the flood risk listM31 4NQ: not on the flood risk listM31 4NR: not on the flood risk listM31 4NS: not on the flood risk listM31 4NT: not on the flood risk listM31 4NZ: not on the flood risk listM31 4PA: not on the flood risk listM31 4PB: not on the flood risk listM31 4PD: not on the flood risk listM31 4PE: not on the flood risk listM31 4PF: not on the flood risk listM31 4PG: not on the flood risk listM31 4PH: not on the flood risk listM31 4PJ: not on the flood risk listM31 4PL: not on the flood risk listM31 4PN: not on the flood risk listM31 4PP: not on the flood risk listM31 4PQ: not on the flood risk listM31 4PR: not on the flood risk listM31 4PS: not on the flood risk listM31 4PU: not on the flood risk listM31 4PW: not on the flood risk listM31 4PX: not on the flood risk listM31 4PY: not on the flood risk listM31 4PZ: not on the flood risk listM31 4QA: not on the flood risk listM31 4QD: not on the flood risk listM31 4QE: not on the flood risk listM31 4QF: not on the flood risk listM31 4QG: not on the flood risk listM31 4QH: not on the flood risk listM31 4QJ: not on the flood risk listM31 4QP: not on the flood risk listM31 4QS: not on the flood risk listM31 4QT: not on the flood risk listM31 4QX: not on the flood risk listM31 4RA: not on the flood risk listM31 4RB: not on the flood risk listM31 4RD: not on the flood risk listM31 4RG: not on the flood risk listM31 4RH: not on the flood risk listM31 4RJ: not on the flood risk listM31 4RN: not on the flood risk listM31 4RP: not on the flood risk listM31 4RQ: not on the flood risk listM31 4RS: not on the flood risk listM31 4RT: not on the flood risk listM31 4RU: not on the flood risk listM31 4RW: not on the flood risk listM31 4RX: not on the flood risk listM31 4RY: not on the flood risk listM31 4RZ: not on the flood risk listM31 4SA: not on the flood risk listM31 4SB: not on the flood risk listM31 4SE: not on the flood risk listM31 4SF: not on the flood risk listM31 4SH: not on the flood risk listM31 4SJ: not on the flood risk listM31 4SL: not on the flood risk listM31 4SN: not on the flood risk listM31 4SP: not on the flood risk listM31 4SQ: not on the flood risk listM31 4SR: not on the flood risk listM31 4SS: not on the flood risk listM31 4ST: not on the flood risk listM31 4SU: not on the flood risk listM31 4SW: not on the flood risk listM31 4TA: not on the flood risk listM31 4TB: not on the flood risk listM31 4TD: not on the flood risk listM31 4TE: not on the flood risk listM31 4TG: not on the flood risk listM31 4TN: not on the flood risk listM31 4TP: not on the flood risk listM31 4TQ: not on the flood risk listM31 4TR: not on the flood risk listM31 4UG: not on the flood risk listM31 4WA: not on the flood risk listM31 4WB: not on the flood risk listM31 4WD: not on the flood risk listM31 4WE: not on the flood risk listM31 4WF: not on the flood risk listM31 4WG: not on the flood risk listM31 4WH: not on the flood risk listM31 4WJ: not on the flood risk listM31 4WN: not on the flood risk listM31 4WT: not on the flood risk listM31 4WZ: not on the flood risk listM31 4AD: medium flood risk at worstM31 4BD: medium flood risk at worstM31 4AY: high flood riskM31 4NW: high flood riskM31 4QN: high flood riskM31 4QR: high flood riskM31 4WY: high flood risk Partington Map of every postcode in the M31 4 sector, by flood risk Of the 267 postcodes in the M31 4 sector that ONS places, 5 have a home or business at high risk, 2 are at medium risk at worst and 260 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: Partington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Partington
  • A home or business at high risk: 5
  • At medium risk at worst: 2
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 260

Of the 267 postcodes in the M31 4 sector that ONS places, 5 have a home or business at high risk, 2 are at medium risk at worst and 260 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

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

M31 4QR15 at high riskM31 4QN4 at high riskM31 4AY2 at high riskM31 4NW1 at high riskM31 4WY1 at high risk

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

M31 4BSM31 4WS

What do homes sell for in M31 4?

Homes in M31 4 sold for a typical £247,498 in the 12 months to August 2026, across 66 sales, down 5.7% on the 12 months before, HM Land Registry's figures show.

£247,498 typical price, the 12 months to August 2026
£262,500 12 months to August 2025
▼ down 5.7% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached £272,550 34 sales
  • Terraced £198,000 26 sales
  • Flat or maisonette 2 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 M31 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 M31 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.

M31 4AAM31 4ABM31 4ADM31 4AEM31 4AGM31 4AJM31 4ANM31 4APM31 4AQM31 4ARM31 4ASM31 4AWM31 4AYM31 4AZM31 4BAM31 4BBM31 4BDM31 4BEM31 4BFM31 4BHM31 4BJM31 4BLM31 4BNM31 4BQM31 4BSM31 4BUM31 4BWM31 4BXM31 4DBM31 4DEM31 4DFM31 4DGM31 4DHM31 4DJM31 4DLM31 4DNM31 4DPM31 4DQM31 4DRM31 4DSM31 4DTM31 4DUM31 4DWM31 4DXM31 4DYM31 4DZM31 4EAM31 4EBM31 4EDM31 4EFM31 4EGM31 4EJM31 4ELM31 4ENM31 4EPM31 4EQM31 4ERM31 4ESM31 4ETM31 4EUM31 4EWM31 4EXM31 4EYM31 4EZM31 4FAM31 4FBM31 4FDM31 4FEM31 4FFM31 4FGM31 4FHM31 4FJM31 4FLM31 4FNM31 4FPM31 4FQM31 4FRM31 4FSM31 4FTM31 4FUM31 4FWM31 4FXM31 4FYM31 4FZM31 4GAM31 4GBM31 4GDM31 4GFM31 4GGM31 4GHM31 4GJM31 4GLM31 4GNM31 4GPM31 4GQM31 4GRM31 4GSM31 4GTM31 4GUM31 4GWM31 4GXM31 4GYM31 4GZM31 4HAM31 4HBM31 4HDM31 4HEM31 4HFM31 4HGM31 4HHM31 4HJM31 4HLM31 4HNM31 4HPM31 4HQM31 4HRM31 4HSM31 4HTM31 4HUM31 4HWM31 4HXM31 4HYM31 4HZM31 4JAM31 4JBM31 4JDM31 4JEM31 4JFM31 4JGM31 4JHM31 4JLM31 4JNM31 4JPM31 4JQM31 4JRM31 4JSM31 4JTM31 4JUM31 4JWM31 4JXM31 4LAM31 4LBM31 4LDM31 4LEM31 4LFM31 4LGM31 4LHM31 4LJM31 4LLM31 4LNM31 4LPM31 4LQM31 4LRM31 4LSM31 4LTM31 4LUM31 4LWM31 4LXM31 4LYM31 4LZM31 4NAM31 4NBM31 4NDM31 4NEM31 4NFM31 4NGM31 4NHM31 4NJM31 4NLM31 4NNM31 4NPM31 4NQM31 4NRM31 4NSM31 4NTM31 4NWM31 4NZM31 4PAM31 4PBM31 4PDM31 4PEM31 4PFM31 4PGM31 4PHM31 4PJM31 4PLM31 4PNM31 4PPM31 4PQM31 4PRM31 4PSM31 4PTM31 4PUM31 4PWM31 4PXM31 4PYM31 4PZM31 4QAM31 4QDM31 4QEM31 4QFM31 4QGM31 4QHM31 4QJM31 4QNM31 4QPM31 4QRM31 4QSM31 4QTM31 4QXM31 4QZM31 4RAM31 4RBM31 4RDM31 4RGM31 4RHM31 4RJM31 4RNM31 4RPM31 4RQM31 4RRM31 4RSM31 4RTM31 4RUM31 4RWM31 4RXM31 4RYM31 4RZM31 4SAM31 4SBM31 4SEM31 4SFM31 4SHM31 4SJM31 4SLM31 4SNM31 4SPM31 4SQM31 4SRM31 4SSM31 4STM31 4SUM31 4SWM31 4SXM31 4TAM31 4TBM31 4TDM31 4TEM31 4TGM31 4TNM31 4TPM31 4TQM31 4TRM31 4UGM31 4WAM31 4WBM31 4WDM31 4WEM31 4WFM31 4WGM31 4WHM31 4WJM31 4WNM31 4WSM31 4WTM31 4WYM31 4WZ

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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