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, by flood risk

Map of every postcode in the DE21 5 sector, by flood risk Of the 82 postcodes in the DE21 5 sector that ONS places, 10 have a home or business at high risk, 16 are at low risk at worst, 5 are at very low risk only and 51 are not on the Environment Agency's at-risk list. Places named: Duffield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A38A52A61 DE21 5AB: not on the flood risk listDE21 5AE: not on the flood risk listDE21 5AF: not on the flood risk listDE21 5AG: not on the flood risk listDE21 5AH: not on the flood risk listDE21 5AJ: not on the flood risk listDE21 5AL: not on the flood risk listDE21 5AN: not on the flood risk listDE21 5AP: not on the flood risk listDE21 5AQ: not on the flood risk listDE21 5AR: not on the flood risk listDE21 5AS: not on the flood risk listDE21 5AT: not on the flood risk listDE21 5AU: not on the flood risk listDE21 5AW: not on the flood risk listDE21 5AX: not on the flood risk listDE21 5AY: not on the flood risk listDE21 5BA: not on the flood risk listDE21 5BF: not on the flood risk listDE21 5BJ: not on the flood risk listDE21 5BN: not on the flood risk listDE21 5BP: not on the flood risk listDE21 5BS: not on the flood risk listDE21 5BT: not on the flood risk listDE21 5BU: not on the flood risk listDE21 5DE: not on the flood risk listDE21 5DL: not on the flood risk listDE21 5DU: not on the flood risk listDE21 5DW: not on the flood risk listDE21 5DZ: not on the flood risk listDE21 5EA: not on the flood risk listDE21 5EB: not on the flood risk listDE21 5EE: not on the flood risk listDE21 5EH: not on the flood risk listDE21 5EN: not on the flood risk listDE21 5EQ: not on the flood risk listDE21 5LA: not on the flood risk listDE21 5LB: not on the flood risk listDE21 5LG: not on the flood risk listDE21 5LH: not on the flood risk listDE21 5LJ: not on the flood risk listDE21 5LN: not on the flood risk listDE21 5LP: not on the flood risk listDE21 5LQ: not on the flood risk listDE21 5LR: not on the flood risk listDE21 5LS: not on the flood risk listDE21 5ZA: not on the flood risk listDE21 5DH: very low flood risk onlyDE21 5DJ: very low flood risk onlyDE21 5DP: very low flood risk onlyDE21 5EF: very low flood risk onlyDE21 5EJ: very low flood risk onlyDE21 5BL: low flood risk at worstDE21 5DB: low flood risk at worstDE21 5DD: low flood risk at worstDE21 5DF: low flood risk at worstDE21 5DG: low flood risk at worstDE21 5DN: low flood risk at worstDE21 5DQ: low flood risk at worstDE21 5DR: low flood risk at worstDE21 5DS: low flood risk at worstDE21 5DT: low flood risk at worstDE21 5DX: low flood risk at worstDE21 5DY: low flood risk at worstDE21 5ED: low flood risk at worstDE21 5EG: low flood risk at worstDE21 5EL: low flood risk at worstDE21 5LD: low flood risk at worstDE21 5AA: high flood riskDE21 5AD: high flood riskDE21 5BB: high flood riskDE21 5BD: high flood riskDE21 5BE: high flood riskDE21 5BH: high flood riskDE21 5DA: high flood riskDE21 5LE: high flood riskDE21 5LF: high flood riskDE21 5LL: high flood risk Duffield Map of every postcode in the DE21 5 sector, by flood risk Of the 82 postcodes in the DE21 5 sector that ONS places, 10 have a home or business at high risk, 16 are at low risk at worst, 5 are at very low risk only and 51 are not on the Environment Agency's at-risk list. Places named: Duffield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A6A608A52 Duffield
  • A home or business at high risk: 10
  • At medium risk at worst: 0
  • At low risk at worst: 16
  • At very low risk only: 5
  • Not on the at-risk list: 51

Of the 82 postcodes in the DE21 5 sector that ONS places, 10 have a home or business at high risk, 16 are at low risk at worst, 5 are at very low risk only and 51 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.

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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

DE21 5DA13 at high riskDE21 5BD2 at high riskDE21 5BB2 at high riskDE21 5LL2 at high riskDE21 5LF1 at high riskDE21 5BE1 at high riskDE21 5AA1 at high riskDE21 5AD1 at high riskDE21 5BH1 at high riskDE21 5LE1 at high risk

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

Postcodes in DE21 5

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.

DE21 5AADE21 5ABDE21 5ADDE21 5AEDE21 5AFDE21 5AGDE21 5AHDE21 5AJDE21 5ALDE21 5ANDE21 5APDE21 5AQDE21 5ARDE21 5ASDE21 5ATDE21 5AUDE21 5AWDE21 5AXDE21 5AYDE21 5BADE21 5BBDE21 5BDDE21 5BEDE21 5BFDE21 5BHDE21 5BJDE21 5BLDE21 5BNDE21 5BPDE21 5BQDE21 5BRDE21 5BSDE21 5BTDE21 5BUDE21 5DADE21 5DBDE21 5DDDE21 5DEDE21 5DFDE21 5DGDE21 5DHDE21 5DJDE21 5DLDE21 5DNDE21 5DPDE21 5DQDE21 5DRDE21 5DSDE21 5DTDE21 5DUDE21 5DWDE21 5DXDE21 5DYDE21 5DZDE21 5EADE21 5EBDE21 5EDDE21 5EEDE21 5EFDE21 5EGDE21 5EHDE21 5EJDE21 5ELDE21 5ENDE21 5EPDE21 5EQDE21 5LADE21 5LBDE21 5LDDE21 5LEDE21 5LFDE21 5LGDE21 5LHDE21 5LJDE21 5LLDE21 5LNDE21 5LPDE21 5LQDE21 5LRDE21 5LSDE21 5LUDE21 5ZA

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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