DE21 5 postcode sector in the DE21 district

DE21 5 is a sector of the DE21 district: every postcode that starts DE21 5. It has 82 postcodes in use, one of them a large-user postcode. 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 DE21 5 sector, and which are new since 2020

Map of every postcode in the DE21 5 sector, by new since 2020 Of the 82 postcodes in the DE21 5 sector that ONS places, 1 are new since 2020 and 81 were in use before 2020. Places named: Duffield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A38A52A61 DE21 5AA: before 2020DE21 5AB: before 2020DE21 5AD: before 2020DE21 5AE: before 2020DE21 5AF: before 2020DE21 5AG: before 2020DE21 5AH: before 2020DE21 5AJ: before 2020DE21 5AL: before 2020DE21 5AN: before 2020DE21 5AP: before 2020DE21 5AQ: before 2020DE21 5AR: before 2020DE21 5AS: before 2020DE21 5AT: before 2020DE21 5AU: before 2020DE21 5AW: before 2020DE21 5AX: before 2020DE21 5AY: before 2020DE21 5BA: before 2020DE21 5BB: before 2020DE21 5BD: before 2020DE21 5BE: before 2020DE21 5BF: before 2020DE21 5BH: before 2020DE21 5BJ: before 2020DE21 5BL: before 2020DE21 5BN: before 2020DE21 5BP: before 2020DE21 5BS: before 2020DE21 5BT: before 2020DE21 5DA: before 2020DE21 5DB: before 2020DE21 5DD: before 2020DE21 5DE: before 2020DE21 5DF: before 2020DE21 5DG: before 2020DE21 5DH: before 2020DE21 5DJ: before 2020DE21 5DL: before 2020DE21 5DN: before 2020DE21 5DP: before 2020DE21 5DQ: before 2020DE21 5DR: before 2020DE21 5DS: before 2020DE21 5DT: before 2020DE21 5DU: before 2020DE21 5DW: before 2020DE21 5DX: before 2020DE21 5DY: before 2020DE21 5DZ: before 2020DE21 5EA: before 2020DE21 5EB: before 2020DE21 5ED: before 2020DE21 5EE: before 2020DE21 5EF: before 2020DE21 5EG: before 2020DE21 5EH: before 2020DE21 5EJ: before 2020DE21 5EL: before 2020DE21 5EN: before 2020DE21 5EQ: before 2020DE21 5LA: before 2020DE21 5LB: before 2020DE21 5LD: before 2020DE21 5LE: before 2020DE21 5LF: before 2020DE21 5LG: before 2020DE21 5LH: before 2020DE21 5LJ: before 2020DE21 5LL: before 2020DE21 5LN: before 2020DE21 5LP: before 2020DE21 5LQ: before 2020DE21 5LR: before 2020DE21 5LS: before 2020DE21 5ZA: before 2020DE21 5BU: new since 2020 Duffield Map of every postcode in the DE21 5 sector, by new since 2020 Of the 82 postcodes in the DE21 5 sector that ONS places, 1 are new since 2020 and 81 were in use before 2020. Places named: Duffield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A6A608A52 Duffield
  • New since 2020: 1
  • In use before 2020: 81

Of the 82 postcodes in the DE21 5 sector that ONS places, 1 are new since 2020 and 81 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.

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 newest postcode

What do homes sell for in DE21 5?

Homes in DE21 5 sold for a typical £411,250 in the 12 months to August 2026, across 40 sales, up 3.6% on the 12 months before, HM Land Registry's figures show.

£411,250 typical price, the 12 months to August 2026
£397,000 12 months to August 2025
▲ up 3.6% on the 12 months before
  • Detached £520,000 27 sales
  • Semi-detached £270,123 10 sales
  • Terraced 3 sales, too few to price

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 DE21 5. 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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.