B21 0 postcode sector in the B21 district

B21 0 is a sector of the B21 district: every postcode that starts B21 0. It has 166 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 B21 0 sector, and which are new since 2020

Map of every postcode in the B21 0 sector, by new since 2020 Of the 166 postcodes in the B21 0 sector that ONS places, 3 are new since 2020 and 163 were in use before 2020. Places named: Soho & Jewellery Quarter, Holyhead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. B21 0AB: before 2020B21 0AF: before 2020B21 0AL: before 2020B21 0AP: before 2020B21 0AR: before 2020B21 0AS: before 2020B21 0AT: before 2020B21 0AU: before 2020B21 0AW: before 2020B21 0AX: before 2020B21 0AY: before 2020B21 0BA: before 2020B21 0BB: before 2020B21 0BD: before 2020B21 0BE: before 2020B21 0BH: before 2020B21 0BJ: before 2020B21 0BN: before 2020B21 0BS: before 2020B21 0DA: before 2020B21 0DB: before 2020B21 0DD: before 2020B21 0DE: before 2020B21 0DG: before 2020B21 0DH: before 2020B21 0DJ: before 2020B21 0DL: before 2020B21 0DN: before 2020B21 0DP: before 2020B21 0DR: before 2020B21 0DS: before 2020B21 0EA: before 2020B21 0EB: before 2020B21 0ED: before 2020B21 0EE: before 2020B21 0EF: before 2020B21 0EG: before 2020B21 0EH: before 2020B21 0EJ: before 2020B21 0EL: before 2020B21 0EN: before 2020B21 0EP: before 2020B21 0ER: before 2020B21 0ES: before 2020B21 0ET: before 2020B21 0EU: before 2020B21 0EW: before 2020B21 0EX: before 2020B21 0EY: before 2020B21 0EZ: before 2020B21 0HA: before 2020B21 0HB: before 2020B21 0HD: before 2020B21 0HE: before 2020B21 0HH: before 2020B21 0HJ: before 2020B21 0HL: before 2020B21 0HN: before 2020B21 0HP: before 2020B21 0HR: before 2020B21 0HS: before 2020B21 0HT: before 2020B21 0HU: before 2020B21 0HX: before 2020B21 0HY: before 2020B21 0HZ: before 2020B21 0JD: before 2020B21 0JJ: before 2020B21 0JL: before 2020B21 0JP: before 2020B21 0JS: before 2020B21 0LA: before 2020B21 0LE: before 2020B21 0LG: before 2020B21 0LH: before 2020B21 0LL: before 2020B21 0LS: before 2020B21 0LT: before 2020B21 0NA: before 2020B21 0NG: before 2020B21 0NH: before 2020B21 0NL: before 2020B21 0NP: before 2020B21 0NQ: before 2020B21 0NU: before 2020B21 0PA: before 2020B21 0PD: before 2020B21 0PF: before 2020B21 0PG: before 2020B21 0PH: before 2020B21 0PJ: before 2020B21 0PL: before 2020B21 0PN: before 2020B21 0PP: before 2020B21 0PU: before 2020B21 0PX: before 2020B21 0QD: before 2020B21 0QE: before 2020B21 0QG: before 2020B21 0QH: before 2020B21 0QJ: before 2020B21 0QL: before 2020B21 0QU: before 2020B21 0QW: before 2020B21 0QY: before 2020B21 0RA: before 2020B21 0RB: before 2020B21 0RD: before 2020B21 0RE: before 2020B21 0RG: before 2020B21 0RH: before 2020B21 0RJ: before 2020B21 0RL: before 2020B21 0RN: before 2020B21 0RS: before 2020B21 0RW: before 2020B21 0RY: before 2020B21 0SA: before 2020B21 0SB: before 2020B21 0SD: before 2020B21 0SE: before 2020B21 0SF: before 2020B21 0SG: before 2020B21 0SH: before 2020B21 0SJ: before 2020B21 0SL: before 2020B21 0SN: before 2020B21 0SQ: before 2020B21 0SU: before 2020B21 0SX: before 2020B21 0SY: before 2020B21 0SZ: before 2020B21 0TA: before 2020B21 0TB: before 2020B21 0TD: before 2020B21 0TE: before 2020B21 0TG: before 2020B21 0TH: before 2020B21 0TJ: before 2020B21 0TL: before 2020B21 0TN: before 2020B21 0TP: before 2020B21 0TQ: before 2020B21 0TR: before 2020B21 0TS: before 2020B21 0TT: before 2020B21 0TU: before 2020B21 0TW: before 2020B21 0UB: before 2020B21 0UD: before 2020B21 0UE: before 2020B21 0UH: before 2020B21 0UJ: before 2020B21 0UL: before 2020B21 0UN: before 2020B21 0UP: before 2020B21 0UQ: before 2020B21 0UR: before 2020B21 0US: before 2020B21 0UT: before 2020B21 0UU: before 2020B21 0UX: before 2020B21 0UY: before 2020B21 0AQ: new since 2020B21 0BQ: new since 2020B21 0HQ: new since 2020 Soho & Jewellery QuarterHolyhead Map of every postcode in the B21 0 sector, by new since 2020 Of the 166 postcodes in the B21 0 sector that ONS places, 3 are new since 2020 and 163 were in use before 2020. Places named: Soho & Jewellery Quarter, Holyhead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Soho & Jewellery QuarterHolyhead
  • New since 2020: 3
  • In use before 2020: 163

Of the 166 postcodes in the B21 0 sector that ONS places, 3 are new since 2020 and 163 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. 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

The 3 newest postcodes

B21 0BQSeptember 2025B21 0AQDecember 2023B21 0HQJanuary 2020

What do homes sell for in B21 0?

Homes in B21 0 sold for a typical £180,000 in the 12 months to August 2026, across 27 sales, up 12.5% on the 12 months before, HM Land Registry's figures show.

£180,000 typical price, the 12 months to August 2026
£160,000 12 months to August 2025
▲ up 12.5% on the 12 months before
  • Semi-detached £220,000 5 sales
  • Terraced £172,500 22 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 B21 0. 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 B21 0

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.

B21 0ABB21 0AFB21 0ALB21 0APB21 0AQB21 0ARB21 0ASB21 0ATB21 0AUB21 0AWB21 0AXB21 0AYB21 0BAB21 0BBB21 0BDB21 0BEB21 0BHB21 0BJB21 0BNB21 0BQB21 0BSB21 0DAB21 0DBB21 0DDB21 0DEB21 0DGB21 0DHB21 0DJB21 0DLB21 0DNB21 0DPB21 0DRB21 0DSB21 0EAB21 0EBB21 0EDB21 0EEB21 0EFB21 0EGB21 0EHB21 0EJB21 0ELB21 0ENB21 0EPB21 0ERB21 0ESB21 0ETB21 0EUB21 0EWB21 0EXB21 0EYB21 0EZB21 0HAB21 0HBB21 0HDB21 0HEB21 0HHB21 0HJB21 0HLB21 0HNB21 0HPB21 0HQB21 0HRB21 0HSB21 0HTB21 0HUB21 0HXB21 0HYB21 0HZB21 0JDB21 0JJB21 0JLB21 0JPB21 0JSB21 0LAB21 0LEB21 0LGB21 0LHB21 0LLB21 0LSB21 0LTB21 0NAB21 0NGB21 0NHB21 0NLB21 0NPB21 0NQB21 0NUB21 0PAB21 0PDB21 0PFB21 0PGB21 0PHB21 0PJB21 0PLB21 0PNB21 0PPB21 0PUB21 0PXB21 0QDB21 0QEB21 0QGB21 0QHB21 0QJB21 0QLB21 0QUB21 0QWB21 0QYB21 0RAB21 0RBB21 0RDB21 0REB21 0RGB21 0RHB21 0RJB21 0RLB21 0RNB21 0RSB21 0RWB21 0RYB21 0SAB21 0SBB21 0SDB21 0SEB21 0SFB21 0SGB21 0SHB21 0SJB21 0SLB21 0SNB21 0SQB21 0SUB21 0SXB21 0SYB21 0SZB21 0TAB21 0TBB21 0TDB21 0TEB21 0TGB21 0THB21 0TJB21 0TLB21 0TNB21 0TPB21 0TQB21 0TRB21 0TSB21 0TTB21 0TUB21 0TWB21 0UBB21 0UDB21 0UEB21 0UHB21 0UJB21 0ULB21 0UNB21 0UPB21 0UQB21 0URB21 0USB21 0UTB21 0UUB21 0UXB21 0UY

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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