B20 3 postcode sector in the B20 district

B20 3 is a sector of the B20 district: every postcode that starts B20 3. It has 207 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 B20 3 sector, by flood risk

Map of every postcode in the B20 3 sector, by flood risk Of the 207 postcodes in the B20 3 sector that ONS places, 207 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Birchfield, Aston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A34A4040 B20 3AA: not on the flood risk listB20 3AD: not on the flood risk listB20 3AE: not on the flood risk listB20 3AF: not on the flood risk listB20 3AG: not on the flood risk listB20 3AH: not on the flood risk listB20 3AJ: not on the flood risk listB20 3AL: not on the flood risk listB20 3AN: not on the flood risk listB20 3AP: not on the flood risk listB20 3AR: not on the flood risk listB20 3AS: not on the flood risk listB20 3AT: not on the flood risk listB20 3AU: not on the flood risk listB20 3AX: not on the flood risk listB20 3AY: not on the flood risk listB20 3BA: not on the flood risk listB20 3BB: not on the flood risk listB20 3BD: not on the flood risk listB20 3BE: not on the flood risk listB20 3BG: not on the flood risk listB20 3BH: not on the flood risk listB20 3BN: not on the flood risk listB20 3BP: not on the flood risk listB20 3BQ: not on the flood risk listB20 3BS: not on the flood risk listB20 3BT: not on the flood risk listB20 3BU: not on the flood risk listB20 3BW: not on the flood risk listB20 3BX: not on the flood risk listB20 3DA: not on the flood risk listB20 3DB: not on the flood risk listB20 3DD: not on the flood risk listB20 3DE: not on the flood risk listB20 3DG: not on the flood risk listB20 3DL: not on the flood risk listB20 3DN: not on the flood risk listB20 3DP: not on the flood risk listB20 3DR: not on the flood risk listB20 3DS: not on the flood risk listB20 3DT: not on the flood risk listB20 3DU: not on the flood risk listB20 3DX: not on the flood risk listB20 3DY: not on the flood risk listB20 3EA: not on the flood risk listB20 3EB: not on the flood risk listB20 3ED: not on the flood risk listB20 3EE: not on the flood risk listB20 3EG: not on the flood risk listB20 3EH: not on the flood risk listB20 3EJ: not on the flood risk listB20 3EL: not on the flood risk listB20 3EN: not on the flood risk listB20 3EP: not on the flood risk listB20 3EQ: not on the flood risk listB20 3ER: not on the flood risk listB20 3ES: not on the flood risk listB20 3ET: not on the flood risk listB20 3EU: not on the flood risk listB20 3FF: not on the flood risk listB20 3FG: not on the flood risk listB20 3FH: not on the flood risk listB20 3HA: not on the flood risk listB20 3HE: not on the flood risk listB20 3HG: not on the flood risk listB20 3HH: not on the flood risk listB20 3HJ: not on the flood risk listB20 3HL: not on the flood risk listB20 3HN: not on the flood risk listB20 3HP: not on the flood risk listB20 3HQ: not on the flood risk listB20 3HR: not on the flood risk listB20 3HS: not on the flood risk listB20 3HT: not on the flood risk listB20 3HU: not on the flood risk listB20 3HW: not on the flood risk listB20 3HX: not on the flood risk listB20 3HY: not on the flood risk listB20 3JG: not on the flood risk listB20 3JH: not on the flood risk listB20 3JJ: not on the flood risk listB20 3JL: not on the flood risk listB20 3JQ: not on the flood risk listB20 3JU: not on the flood risk listB20 3JW: not on the flood risk listB20 3LA: not on the flood risk listB20 3LD: not on the flood risk listB20 3LE: not on the flood risk listB20 3LH: not on the flood risk listB20 3LJ: not on the flood risk listB20 3LL: not on the flood risk listB20 3LN: not on the flood risk listB20 3LP: not on the flood risk listB20 3LR: not on the flood risk listB20 3LS: not on the flood risk listB20 3LT: not on the flood risk listB20 3LU: not on the flood risk listB20 3LX: not on the flood risk listB20 3LY: not on the flood risk listB20 3LZ: not on the flood risk listB20 3NA: not on the flood risk listB20 3NB: not on the flood risk listB20 3ND: not on the flood risk listB20 3NE: not on the flood risk listB20 3NF: not on the flood risk listB20 3NG: not on the flood risk listB20 3NH: not on the flood risk listB20 3NJ: not on the flood risk listB20 3NL: not on the flood risk listB20 3NN: not on the flood risk listB20 3NP: not on the flood risk listB20 3NQ: not on the flood risk listB20 3NR: not on the flood risk listB20 3NS: not on the flood risk listB20 3NT: not on the flood risk listB20 3NU: not on the flood risk listB20 3NW: not on the flood risk listB20 3NZ: not on the flood risk listB20 3PA: not on the flood risk listB20 3PB: not on the flood risk listB20 3PD: not on the flood risk listB20 3PE: not on the flood risk listB20 3PG: not on the flood risk listB20 3PH: not on the flood risk listB20 3PJ: not on the flood risk listB20 3PL: not on the flood risk listB20 3PN: not on the flood risk listB20 3PP: not on the flood risk listB20 3PR: not on the flood risk listB20 3PS: not on the flood risk listB20 3PT: not on the flood risk listB20 3PU: not on the flood risk listB20 3PX: not on the flood risk listB20 3PY: not on the flood risk listB20 3QD: not on the flood risk listB20 3QE: not on the flood risk listB20 3QG: not on the flood risk listB20 3QJ: not on the flood risk listB20 3QL: not on the flood risk listB20 3QN: not on the flood risk listB20 3QP: not on the flood risk listB20 3QQ: not on the flood risk listB20 3QR: not on the flood risk listB20 3QS: not on the flood risk listB20 3QT: not on the flood risk listB20 3QU: not on the flood risk listB20 3QX: not on the flood risk listB20 3QY: not on the flood risk listB20 3RA: not on the flood risk listB20 3RB: not on the flood risk listB20 3RD: not on the flood risk listB20 3RE: not on the flood risk listB20 3RF: not on the flood risk listB20 3RG: not on the flood risk listB20 3RJ: not on the flood risk listB20 3RN: not on the flood risk listB20 3RP: not on the flood risk listB20 3RQ: not on the flood risk listB20 3RR: not on the flood risk listB20 3RS: not on the flood risk listB20 3RT: not on the flood risk listB20 3RU: not on the flood risk listB20 3RW: not on the flood risk listB20 3RX: not on the flood risk listB20 3RY: not on the flood risk listB20 3SA: not on the flood risk listB20 3SB: not on the flood risk listB20 3SD: not on the flood risk listB20 3SE: not on the flood risk listB20 3SG: not on the flood risk listB20 3SH: not on the flood risk listB20 3SP: not on the flood risk listB20 3SR: not on the flood risk listB20 3SS: not on the flood risk listB20 3ST: not on the flood risk listB20 3SU: not on the flood risk listB20 3SW: not on the flood risk listB20 3SX: not on the flood risk listB20 3SY: not on the flood risk listB20 3SZ: not on the flood risk listB20 3TA: not on the flood risk listB20 3TB: not on the flood risk listB20 3TG: not on the flood risk listB20 3TH: not on the flood risk listB20 3TL: not on the flood risk listB20 3TN: not on the flood risk listB20 3TP: not on the flood risk listB20 3TQ: not on the flood risk listB20 3TR: not on the flood risk listB20 3TS: not on the flood risk listB20 3TT: not on the flood risk listB20 3TU: not on the flood risk listB20 3TX: not on the flood risk listB20 3TY: not on the flood risk listB20 3UB: not on the flood risk listB20 3UD: not on the flood risk listB20 3UE: not on the flood risk listB20 3UG: not on the flood risk listB20 3US: not on the flood risk listB20 3UT: not on the flood risk listB20 3UX: not on the flood risk listB20 3UY: not on the flood risk listB20 3UZ: not on the flood risk listB20 3WD: not on the flood risk listB20 3WG: not on the flood risk listB20 3WJ: not on the flood risk list BirchfieldAston Map of every postcode in the B20 3 sector, by flood risk Of the 207 postcodes in the B20 3 sector that ONS places, 207 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Birchfield, Aston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. BirchfieldAston
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 207

Of the 207 postcodes in the B20 3 sector that ONS places, 207 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

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.

B20 3AW

What do homes sell for in B20 3?

Homes in B20 3 sold for a typical £230,000 in the 12 months to August 2026, across 33 sales, up 19.2% on the 12 months before, HM Land Registry's figures show.

£230,000 typical price, the 12 months to August 2026
£193,000 12 months to August 2025
▲ up 19.2% on the 12 months before
  • Detached 2 sales, too few to price
  • Semi-detached £277,500 12 sales
  • Terraced £200,000 19 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 B20 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 B20 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.

B20 3AAB20 3ADB20 3AEB20 3AFB20 3AGB20 3AHB20 3AJB20 3ALB20 3ANB20 3APB20 3ARB20 3ASB20 3ATB20 3AUB20 3AWB20 3AXB20 3AYB20 3BAB20 3BBB20 3BDB20 3BEB20 3BGB20 3BHB20 3BNB20 3BPB20 3BQB20 3BSB20 3BTB20 3BUB20 3BWB20 3BXB20 3DAB20 3DBB20 3DDB20 3DEB20 3DGB20 3DLB20 3DNB20 3DPB20 3DRB20 3DSB20 3DTB20 3DUB20 3DXB20 3DYB20 3EAB20 3EBB20 3EDB20 3EEB20 3EGB20 3EHB20 3EJB20 3ELB20 3ENB20 3EPB20 3EQB20 3ERB20 3ESB20 3ETB20 3EUB20 3FFB20 3FGB20 3FHB20 3HAB20 3HEB20 3HGB20 3HHB20 3HJB20 3HLB20 3HNB20 3HPB20 3HQB20 3HRB20 3HSB20 3HTB20 3HUB20 3HWB20 3HXB20 3HYB20 3JGB20 3JHB20 3JJB20 3JLB20 3JQB20 3JUB20 3JWB20 3LAB20 3LDB20 3LEB20 3LHB20 3LJB20 3LLB20 3LNB20 3LPB20 3LRB20 3LSB20 3LTB20 3LUB20 3LXB20 3LYB20 3LZB20 3NAB20 3NBB20 3NDB20 3NEB20 3NFB20 3NGB20 3NHB20 3NJB20 3NLB20 3NNB20 3NPB20 3NQB20 3NRB20 3NSB20 3NTB20 3NUB20 3NWB20 3NZB20 3PAB20 3PBB20 3PDB20 3PEB20 3PGB20 3PHB20 3PJB20 3PLB20 3PNB20 3PPB20 3PRB20 3PSB20 3PTB20 3PUB20 3PXB20 3PYB20 3QDB20 3QEB20 3QGB20 3QJB20 3QLB20 3QNB20 3QPB20 3QQB20 3QRB20 3QSB20 3QTB20 3QUB20 3QXB20 3QYB20 3RAB20 3RBB20 3RDB20 3REB20 3RFB20 3RGB20 3RJB20 3RNB20 3RPB20 3RQB20 3RRB20 3RSB20 3RTB20 3RUB20 3RWB20 3RXB20 3RYB20 3SAB20 3SBB20 3SDB20 3SEB20 3SGB20 3SHB20 3SPB20 3SRB20 3SSB20 3STB20 3SUB20 3SWB20 3SXB20 3SYB20 3SZB20 3TAB20 3TBB20 3TGB20 3THB20 3TLB20 3TNB20 3TPB20 3TQB20 3TRB20 3TSB20 3TTB20 3TUB20 3TXB20 3TYB20 3UBB20 3UDB20 3UEB20 3UGB20 3USB20 3UTB20 3UXB20 3UYB20 3UZB20 3WDB20 3WGB20 3WJ

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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