B31 3 postcode sector in the B31 district

B31 3 is a sector of the B31 district: every postcode that starts B31 3. It has 222 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 B31 3 sector, by flood risk

Map of every postcode in the B31 3 sector, by flood risk Of the 222 postcodes in the B31 3 sector that ONS places, 6 have a home or business at high risk, 3 are at medium risk at worst, 2 are at low risk at worst and 211 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 8 postcodes at high or medium risk. Places named: Longbridge & West Heath, King's Norton North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. B31 3AA: not on the flood risk listB31 3AB: not on the flood risk listB31 3AD: not on the flood risk listB31 3AE: not on the flood risk listB31 3AG: not on the flood risk listB31 3AH: not on the flood risk listB31 3AJ: not on the flood risk listB31 3AL: not on the flood risk listB31 3AN: not on the flood risk listB31 3AT: not on the flood risk listB31 3AU: not on the flood risk listB31 3AW: not on the flood risk listB31 3AX: not on the flood risk listB31 3AZ: not on the flood risk listB31 3BA: not on the flood risk listB31 3BD: not on the flood risk listB31 3BF: not on the flood risk listB31 3BG: not on the flood risk listB31 3BJ: not on the flood risk listB31 3BL: not on the flood risk listB31 3BP: not on the flood risk listB31 3BQ: not on the flood risk listB31 3BS: not on the flood risk listB31 3BT: not on the flood risk listB31 3BU: not on the flood risk listB31 3BX: not on the flood risk listB31 3BY: not on the flood risk listB31 3BZ: not on the flood risk listB31 3DA: not on the flood risk listB31 3DB: not on the flood risk listB31 3DD: not on the flood risk listB31 3DE: not on the flood risk listB31 3DF: not on the flood risk listB31 3DG: not on the flood risk listB31 3DH: not on the flood risk listB31 3DL: not on the flood risk listB31 3DN: not on the flood risk listB31 3DP: not on the flood risk listB31 3DR: not on the flood risk listB31 3DU: not on the flood risk listB31 3DY: not on the flood risk listB31 3DZ: not on the flood risk listB31 3EE: not on the flood risk listB31 3EH: not on the flood risk listB31 3EL: not on the flood risk listB31 3ER: not on the flood risk listB31 3ET: not on the flood risk listB31 3EZ: not on the flood risk listB31 3HA: not on the flood risk listB31 3HB: not on the flood risk listB31 3HD: not on the flood risk listB31 3HF: not on the flood risk listB31 3HG: not on the flood risk listB31 3HH: not on the flood risk listB31 3HJ: not on the flood risk listB31 3HL: not on the flood risk listB31 3HN: not on the flood risk listB31 3HP: not on the flood risk listB31 3HQ: not on the flood risk listB31 3HR: not on the flood risk listB31 3HS: not on the flood risk listB31 3HT: not on the flood risk listB31 3HU: not on the flood risk listB31 3HX: not on the flood risk listB31 3HY: not on the flood risk listB31 3JA: not on the flood risk listB31 3JB: not on the flood risk listB31 3JD: not on the flood risk listB31 3JE: not on the flood risk listB31 3JG: not on the flood risk listB31 3JH: not on the flood risk listB31 3JR: not on the flood risk listB31 3JS: not on the flood risk listB31 3JT: not on the flood risk listB31 3JU: not on the flood risk listB31 3JW: not on the flood risk listB31 3JX: not on the flood risk listB31 3JZ: not on the flood risk listB31 3LA: not on the flood risk listB31 3LB: not on the flood risk listB31 3LD: not on the flood risk listB31 3LE: not on the flood risk listB31 3LG: not on the flood risk listB31 3LH: not on the flood risk listB31 3LJ: not on the flood risk listB31 3LL: not on the flood risk listB31 3LN: not on the flood risk listB31 3LP: not on the flood risk listB31 3LQ: not on the flood risk listB31 3LR: not on the flood risk listB31 3LS: not on the flood risk listB31 3LT: not on the flood risk listB31 3LU: not on the flood risk listB31 3LW: not on the flood risk listB31 3LX: not on the flood risk listB31 3LY: not on the flood risk listB31 3NA: not on the flood risk listB31 3ND: not on the flood risk listB31 3NE: not on the flood risk listB31 3NG: not on the flood risk listB31 3NH: not on the flood risk listB31 3NJ: not on the flood risk listB31 3NL: not on the flood risk listB31 3NN: not on the flood risk listB31 3NP: not on the flood risk listB31 3NR: not on the flood risk listB31 3NS: not on the flood risk listB31 3NT: not on the flood risk listB31 3NU: not on the flood risk listB31 3NW: not on the flood risk listB31 3NX: not on the flood risk listB31 3NY: not on the flood risk listB31 3NZ: not on the flood risk listB31 3PA: not on the flood risk listB31 3PB: not on the flood risk listB31 3PE: not on the flood risk listB31 3PF: not on the flood risk listB31 3PH: not on the flood risk listB31 3PJ: not on the flood risk listB31 3PL: not on the flood risk listB31 3PN: not on the flood risk listB31 3PQ: not on the flood risk listB31 3PS: not on the flood risk listB31 3PT: not on the flood risk listB31 3PU: not on the flood risk listB31 3PW: not on the flood risk listB31 3PX: not on the flood risk listB31 3PY: not on the flood risk listB31 3PZ: not on the flood risk listB31 3QA: not on the flood risk listB31 3QB: not on the flood risk listB31 3QD: not on the flood risk listB31 3QE: not on the flood risk listB31 3QF: not on the flood risk listB31 3QG: not on the flood risk listB31 3QH: not on the flood risk listB31 3QP: not on the flood risk listB31 3QR: not on the flood risk listB31 3QS: not on the flood risk listB31 3QT: not on the flood risk listB31 3QU: not on the flood risk listB31 3QW: not on the flood risk listB31 3QX: not on the flood risk listB31 3QY: not on the flood risk listB31 3RA: not on the flood risk listB31 3RB: not on the flood risk listB31 3RD: not on the flood risk listB31 3RE: not on the flood risk listB31 3RF: not on the flood risk listB31 3RG: not on the flood risk listB31 3RH: not on the flood risk listB31 3RJ: not on the flood risk listB31 3RL: not on the flood risk listB31 3RP: not on the flood risk listB31 3RR: not on the flood risk listB31 3RS: not on the flood risk listB31 3RT: not on the flood risk listB31 3RU: not on the flood risk listB31 3RX: not on the flood risk listB31 3RY: not on the flood risk listB31 3SA: not on the flood risk listB31 3SB: not on the flood risk listB31 3SD: not on the flood risk listB31 3SE: not on the flood risk listB31 3SF: not on the flood risk listB31 3SG: not on the flood risk listB31 3SH: not on the flood risk listB31 3SJ: not on the flood risk listB31 3SL: not on the flood risk listB31 3SN: not on the flood risk listB31 3SQ: not on the flood risk listB31 3SS: not on the flood risk listB31 3ST: not on the flood risk listB31 3SU: not on the flood risk listB31 3SW: not on the flood risk listB31 3SX: not on the flood risk listB31 3SY: not on the flood risk listB31 3SZ: not on the flood risk listB31 3TJ: not on the flood risk listB31 3TL: not on the flood risk listB31 3TN: not on the flood risk listB31 3TP: not on the flood risk listB31 3TR: not on the flood risk listB31 3TS: not on the flood risk listB31 3TT: not on the flood risk listB31 3TU: not on the flood risk listB31 3TW: not on the flood risk listB31 3TX: not on the flood risk listB31 3UB: not on the flood risk listB31 3UE: not on the flood risk listB31 3UJ: not on the flood risk listB31 3UL: not on the flood risk listB31 3UN: not on the flood risk listB31 3XA: not on the flood risk listB31 3XB: not on the flood risk listB31 3XD: not on the flood risk listB31 3XE: not on the flood risk listB31 3XF: not on the flood risk listB31 3XG: not on the flood risk listB31 3XH: not on the flood risk listB31 3XJ: not on the flood risk listB31 3XN: not on the flood risk listB31 3XP: not on the flood risk listB31 3XQ: not on the flood risk listB31 3XR: not on the flood risk listB31 3XS: not on the flood risk listB31 3XT: not on the flood risk listB31 3XU: not on the flood risk listB31 3XW: not on the flood risk listB31 3XX: not on the flood risk listB31 3YQ: not on the flood risk listB31 3UW: low flood risk at worstB31 3XL: low flood risk at worstB31 3AP: medium flood risk at worstB31 3TH: medium flood risk at worstB31 3UH: medium flood risk at worstB31 3TE: high flood riskB31 3TG: high flood riskB31 3TQ: high flood riskB31 3UD: high flood riskB31 3UG: high flood riskB31 3UP: high flood risk Longbridge & West HeathKing's Norton North 8 postcodes at high or medium risk, outlined: this goes to B31 3TE, the one with most homes and businesses at high risk8 postcodes at high or medium risk Map of every postcode in the B31 3 sector, by flood risk Of the 222 postcodes in the B31 3 sector that ONS places, 6 have a home or business at high risk, 3 are at medium risk at worst, 2 are at low risk at worst and 211 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 8 postcodes at high or medium risk. Places named: Longbridge & West Heath, King's Norton North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Longbridge & West HeathKing's Norton North
  • A home or business at high risk: 6
  • At medium risk at worst: 3
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 211
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 222 postcodes in the B31 3 sector that ONS places, 6 have a home or business at high risk, 3 are at medium risk at worst, 2 are at low risk at worst and 211 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 150 metres of each other. It is not a boundary, and no boundary is drawn. 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 high risk

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

B31 3TE45 at high riskB31 3UP17 at high riskB31 3TQ10 at high riskB31 3UG8 at high riskB31 3TG6 at high riskB31 3UD1 at high risk

Where the postcodes at high or medium risk lie together

  • 8 postcodes at high or medium risk, outlined on the map. B31 3TE, is the one with most homes and businesses at high risk.

What do homes sell for in B31 3?

Homes in B31 3 sold for a typical £216,250 in the 12 months to August 2026, across 96 sales, down 4.1% on the 12 months before, HM Land Registry's figures show.

£216,250 typical price, the 12 months to August 2026
£225,500 12 months to August 2025
▼ down 4.1% on the 12 months before
  • Detached £288,500 6 sales
  • Semi-detached £250,000 33 sales
  • Terraced £217,500 43 sales
  • Flat or maisonette £117,500 14 sales

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 B31 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 B31 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.

B31 3AAB31 3ABB31 3ADB31 3AEB31 3AGB31 3AHB31 3AJB31 3ALB31 3ANB31 3APB31 3ATB31 3AUB31 3AWB31 3AXB31 3AZB31 3BAB31 3BDB31 3BFB31 3BGB31 3BJB31 3BLB31 3BPB31 3BQB31 3BSB31 3BTB31 3BUB31 3BXB31 3BYB31 3BZB31 3DAB31 3DBB31 3DDB31 3DEB31 3DFB31 3DGB31 3DHB31 3DLB31 3DNB31 3DPB31 3DRB31 3DUB31 3DYB31 3DZB31 3EEB31 3EHB31 3ELB31 3ERB31 3ETB31 3EZB31 3HAB31 3HBB31 3HDB31 3HFB31 3HGB31 3HHB31 3HJB31 3HLB31 3HNB31 3HPB31 3HQB31 3HRB31 3HSB31 3HTB31 3HUB31 3HXB31 3HYB31 3JAB31 3JBB31 3JDB31 3JEB31 3JGB31 3JHB31 3JRB31 3JSB31 3JTB31 3JUB31 3JWB31 3JXB31 3JZB31 3LAB31 3LBB31 3LDB31 3LEB31 3LGB31 3LHB31 3LJB31 3LLB31 3LNB31 3LPB31 3LQB31 3LRB31 3LSB31 3LTB31 3LUB31 3LWB31 3LXB31 3LYB31 3NAB31 3NDB31 3NEB31 3NGB31 3NHB31 3NJB31 3NLB31 3NNB31 3NPB31 3NRB31 3NSB31 3NTB31 3NUB31 3NWB31 3NXB31 3NYB31 3NZB31 3PAB31 3PBB31 3PEB31 3PFB31 3PHB31 3PJB31 3PLB31 3PNB31 3PQB31 3PSB31 3PTB31 3PUB31 3PWB31 3PXB31 3PYB31 3PZB31 3QAB31 3QBB31 3QDB31 3QEB31 3QFB31 3QGB31 3QHB31 3QPB31 3QRB31 3QSB31 3QTB31 3QUB31 3QWB31 3QXB31 3QYB31 3RAB31 3RBB31 3RDB31 3REB31 3RFB31 3RGB31 3RHB31 3RJB31 3RLB31 3RPB31 3RRB31 3RSB31 3RTB31 3RUB31 3RXB31 3RYB31 3SAB31 3SBB31 3SDB31 3SEB31 3SFB31 3SGB31 3SHB31 3SJB31 3SLB31 3SNB31 3SQB31 3SSB31 3STB31 3SUB31 3SWB31 3SXB31 3SYB31 3SZB31 3TEB31 3TGB31 3THB31 3TJB31 3TLB31 3TNB31 3TPB31 3TQB31 3TRB31 3TSB31 3TTB31 3TUB31 3TWB31 3TXB31 3UBB31 3UDB31 3UEB31 3UGB31 3UHB31 3UJB31 3ULB31 3UNB31 3UPB31 3UWB31 3XAB31 3XBB31 3XDB31 3XEB31 3XFB31 3XGB31 3XHB31 3XJB31 3XLB31 3XNB31 3XPB31 3XQB31 3XRB31 3XSB31 3XTB31 3XUB31 3XWB31 3XXB31 3YQ

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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