B21 8 postcode sector in the B21 district

B21 8 is a sector of the B21 district: every postcode that starts B21 8. It has 111 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 8 sector, by flood risk

Map of every postcode in the B21 8 sector, by flood risk Of the 111 postcodes in the B21 8 sector that ONS places, 111 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Holyhead, Handsworth Wood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4040A41 B21 8AA: not on the flood risk listB21 8AB: not on the flood risk listB21 8AD: not on the flood risk listB21 8AE: not on the flood risk listB21 8AG: not on the flood risk listB21 8AH: not on the flood risk listB21 8AJ: not on the flood risk listB21 8AL: not on the flood risk listB21 8AN: not on the flood risk listB21 8AP: not on the flood risk listB21 8AR: not on the flood risk listB21 8AS: not on the flood risk listB21 8AT: not on the flood risk listB21 8AU: not on the flood risk listB21 8AX: not on the flood risk listB21 8BB: not on the flood risk listB21 8BD: not on the flood risk listB21 8BE: not on the flood risk listB21 8BG: not on the flood risk listB21 8BP: not on the flood risk listB21 8BS: not on the flood risk listB21 8BT: not on the flood risk listB21 8BU: not on the flood risk listB21 8BX: not on the flood risk listB21 8BY: not on the flood risk listB21 8DA: not on the flood risk listB21 8DB: not on the flood risk listB21 8DD: not on the flood risk listB21 8DE: not on the flood risk listB21 8DG: not on the flood risk listB21 8DH: not on the flood risk listB21 8DJ: not on the flood risk listB21 8DL: not on the flood risk listB21 8DN: not on the flood risk listB21 8DT: not on the flood risk listB21 8DW: not on the flood risk listB21 8DX: not on the flood risk listB21 8DY: not on the flood risk listB21 8EA: not on the flood risk listB21 8EB: not on the flood risk listB21 8ED: not on the flood risk listB21 8EE: not on the flood risk listB21 8EF: not on the flood risk listB21 8EG: not on the flood risk listB21 8EP: not on the flood risk listB21 8EQ: not on the flood risk listB21 8ER: not on the flood risk listB21 8ET: not on the flood risk listB21 8EU: not on the flood risk listB21 8EX: not on the flood risk listB21 8EY: not on the flood risk listB21 8EZ: not on the flood risk listB21 8HA: not on the flood risk listB21 8HB: not on the flood risk listB21 8HH: not on the flood risk listB21 8HJ: not on the flood risk listB21 8HL: not on the flood risk listB21 8HP: not on the flood risk listB21 8HR: not on the flood risk listB21 8HS: not on the flood risk listB21 8HT: not on the flood risk listB21 8JB: not on the flood risk listB21 8JE: not on the flood risk listB21 8JF: not on the flood risk listB21 8JG: not on the flood risk listB21 8JH: not on the flood risk listB21 8JJ: not on the flood risk listB21 8JL: not on the flood risk listB21 8JN: not on the flood risk listB21 8JP: not on the flood risk listB21 8JQ: not on the flood risk listB21 8JR: not on the flood risk listB21 8JS: not on the flood risk listB21 8JT: not on the flood risk listB21 8JU: not on the flood risk listB21 8JX: not on the flood risk listB21 8JY: not on the flood risk listB21 8JZ: not on the flood risk listB21 8LE: not on the flood risk listB21 8LT: not on the flood risk listB21 8NA: not on the flood risk listB21 8NB: not on the flood risk listB21 8ND: not on the flood risk listB21 8NG: not on the flood risk listB21 8NH: not on the flood risk listB21 8NJ: not on the flood risk listB21 8NL: not on the flood risk listB21 8NN: not on the flood risk listB21 8NP: not on the flood risk listB21 8NR: not on the flood risk listB21 8NS: not on the flood risk listB21 8NT: not on the flood risk listB21 8NU: not on the flood risk listB21 8NW: not on the flood risk listB21 8NZ: not on the flood risk listB21 8PD: not on the flood risk listB21 8PE: not on the flood risk listB21 8PF: not on the flood risk listB21 8PG: not on the flood risk listB21 8PH: not on the flood risk listB21 8PJ: not on the flood risk listB21 8PL: not on the flood risk listB21 8PN: not on the flood risk listB21 8PP: not on the flood risk listB21 8PR: not on the flood risk listB21 8PS: not on the flood risk listB21 8PT: not on the flood risk listB21 8PU: not on the flood risk listB21 8PX: not on the flood risk listB21 8PY: not on the flood risk list HolyheadHandsworth Wood Map of every postcode in the B21 8 sector, by flood risk Of the 111 postcodes in the B21 8 sector that ONS places, 111 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Holyhead, Handsworth Wood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. HolyheadHandsworth Wood
  • 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: 111

Of the 111 postcodes in the B21 8 sector that ONS places, 111 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.

What do homes sell for in B21 8?

Homes in B21 8 sold for a typical £185,000 in the 12 months to August 2026, across 35 sales, down 7.5% on the 12 months before, HM Land Registry's figures show.

£185,000 typical price, the 12 months to August 2026
£200,000 12 months to August 2025
▼ down 7.5% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £221,250 16 sales
  • Terraced £168,000 18 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 8. 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

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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