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, and which are new since 2020

Map of every postcode in the B20 3 sector, by new since 2020 Of the 207 postcodes in the B20 3 sector that ONS places, 5 are new since 2020 and 202 were in use before 2020. 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: before 2020B20 3AD: before 2020B20 3AE: before 2020B20 3AF: before 2020B20 3AG: before 2020B20 3AH: before 2020B20 3AJ: before 2020B20 3AL: before 2020B20 3AN: before 2020B20 3AP: before 2020B20 3AR: before 2020B20 3AS: before 2020B20 3AT: before 2020B20 3AU: before 2020B20 3AX: before 2020B20 3AY: before 2020B20 3BA: before 2020B20 3BB: before 2020B20 3BD: before 2020B20 3BE: before 2020B20 3BG: before 2020B20 3BH: before 2020B20 3BN: before 2020B20 3BP: before 2020B20 3BQ: before 2020B20 3BS: before 2020B20 3BT: before 2020B20 3BX: before 2020B20 3DA: before 2020B20 3DB: before 2020B20 3DD: before 2020B20 3DE: before 2020B20 3DG: before 2020B20 3DL: before 2020B20 3DN: before 2020B20 3DP: before 2020B20 3DR: before 2020B20 3DS: before 2020B20 3DT: before 2020B20 3DU: before 2020B20 3DX: before 2020B20 3DY: before 2020B20 3EA: before 2020B20 3EB: before 2020B20 3ED: before 2020B20 3EE: before 2020B20 3EG: before 2020B20 3EH: before 2020B20 3EJ: before 2020B20 3EL: before 2020B20 3EN: before 2020B20 3EP: before 2020B20 3EQ: before 2020B20 3ER: before 2020B20 3ES: before 2020B20 3ET: before 2020B20 3EU: before 2020B20 3FF: before 2020B20 3HA: before 2020B20 3HE: before 2020B20 3HG: before 2020B20 3HH: before 2020B20 3HJ: before 2020B20 3HL: before 2020B20 3HN: before 2020B20 3HP: before 2020B20 3HQ: before 2020B20 3HR: before 2020B20 3HS: before 2020B20 3HT: before 2020B20 3HU: before 2020B20 3HW: before 2020B20 3HX: before 2020B20 3HY: before 2020B20 3JG: before 2020B20 3JH: before 2020B20 3JJ: before 2020B20 3JL: before 2020B20 3JQ: before 2020B20 3JU: before 2020B20 3JW: before 2020B20 3LA: before 2020B20 3LD: before 2020B20 3LE: before 2020B20 3LH: before 2020B20 3LJ: before 2020B20 3LL: before 2020B20 3LN: before 2020B20 3LP: before 2020B20 3LR: before 2020B20 3LS: before 2020B20 3LT: before 2020B20 3LU: before 2020B20 3LX: before 2020B20 3LY: before 2020B20 3LZ: before 2020B20 3NA: before 2020B20 3NB: before 2020B20 3ND: before 2020B20 3NE: before 2020B20 3NF: before 2020B20 3NG: before 2020B20 3NH: before 2020B20 3NJ: before 2020B20 3NL: before 2020B20 3NN: before 2020B20 3NP: before 2020B20 3NR: before 2020B20 3NS: before 2020B20 3NT: before 2020B20 3NU: before 2020B20 3NW: before 2020B20 3NZ: before 2020B20 3PA: before 2020B20 3PB: before 2020B20 3PD: before 2020B20 3PE: before 2020B20 3PG: before 2020B20 3PH: before 2020B20 3PJ: before 2020B20 3PL: before 2020B20 3PN: before 2020B20 3PP: before 2020B20 3PR: before 2020B20 3PS: before 2020B20 3PT: before 2020B20 3PU: before 2020B20 3PX: before 2020B20 3PY: before 2020B20 3QD: before 2020B20 3QE: before 2020B20 3QG: before 2020B20 3QJ: before 2020B20 3QL: before 2020B20 3QN: before 2020B20 3QP: before 2020B20 3QQ: before 2020B20 3QR: before 2020B20 3QS: before 2020B20 3QT: before 2020B20 3QU: before 2020B20 3QX: before 2020B20 3QY: before 2020B20 3RA: before 2020B20 3RB: before 2020B20 3RD: before 2020B20 3RE: before 2020B20 3RF: before 2020B20 3RG: before 2020B20 3RJ: before 2020B20 3RN: before 2020B20 3RP: before 2020B20 3RQ: before 2020B20 3RR: before 2020B20 3RS: before 2020B20 3RT: before 2020B20 3RU: before 2020B20 3RW: before 2020B20 3RX: before 2020B20 3RY: before 2020B20 3SA: before 2020B20 3SB: before 2020B20 3SD: before 2020B20 3SE: before 2020B20 3SG: before 2020B20 3SH: before 2020B20 3SP: before 2020B20 3SR: before 2020B20 3SS: before 2020B20 3ST: before 2020B20 3SU: before 2020B20 3SW: before 2020B20 3SX: before 2020B20 3SY: before 2020B20 3SZ: before 2020B20 3TA: before 2020B20 3TB: before 2020B20 3TG: before 2020B20 3TH: before 2020B20 3TL: before 2020B20 3TN: before 2020B20 3TP: before 2020B20 3TQ: before 2020B20 3TR: before 2020B20 3TS: before 2020B20 3TT: before 2020B20 3TU: before 2020B20 3TX: before 2020B20 3TY: before 2020B20 3UB: before 2020B20 3UD: before 2020B20 3UE: before 2020B20 3UG: before 2020B20 3US: before 2020B20 3UT: before 2020B20 3UX: before 2020B20 3UY: before 2020B20 3UZ: before 2020B20 3WD: before 2020B20 3WG: before 2020B20 3WJ: before 2020B20 3BU: new since 2020B20 3BW: new since 2020B20 3FG: new since 2020B20 3FH: new since 2020B20 3NQ: new since 2020 BirchfieldAston Map of every postcode in the B20 3 sector, by new since 2020 Of the 207 postcodes in the B20 3 sector that ONS places, 5 are new since 2020 and 202 were in use before 2020. 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
  • New since 2020: 5
  • In use before 2020: 202

Of the 207 postcodes in the B20 3 sector that ONS places, 5 are new since 2020 and 202 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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.

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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