NR20 3 postcode sector in the NR20 district

NR20 3 is a sector of the NR20 district: every postcode that starts NR20 3. It has 317 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 NR20 3 sector, by flood risk

Map of every postcode in the NR20 3 sector, by flood risk Of the 317 postcodes in the NR20 3 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 8 are at low risk at worst and 304 are not on the Environment Agency's at-risk list. Places named: Dereham, Mattishall, Swanton Morley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A47A1067 NR20 3AA: not on the flood risk listNR20 3AB: not on the flood risk listNR20 3AD: not on the flood risk listNR20 3AE: not on the flood risk listNR20 3AF: not on the flood risk listNR20 3AH: not on the flood risk listNR20 3AJ: not on the flood risk listNR20 3AL: not on the flood risk listNR20 3AN: not on the flood risk listNR20 3AP: not on the flood risk listNR20 3AQ: not on the flood risk listNR20 3AR: not on the flood risk listNR20 3AT: not on the flood risk listNR20 3AU: not on the flood risk listNR20 3AX: not on the flood risk listNR20 3AY: not on the flood risk listNR20 3AZ: not on the flood risk listNR20 3BA: not on the flood risk listNR20 3BB: not on the flood risk listNR20 3BD: not on the flood risk listNR20 3BE: not on the flood risk listNR20 3BF: not on the flood risk listNR20 3BG: not on the flood risk listNR20 3BH: not on the flood risk listNR20 3BJ: not on the flood risk listNR20 3BL: not on the flood risk listNR20 3BN: not on the flood risk listNR20 3BP: not on the flood risk listNR20 3BS: not on the flood risk listNR20 3BT: not on the flood risk listNR20 3BU: not on the flood risk listNR20 3BW: not on the flood risk listNR20 3BX: not on the flood risk listNR20 3BY: not on the flood risk listNR20 3BZ: not on the flood risk listNR20 3DA: not on the flood risk listNR20 3DB: not on the flood risk listNR20 3DD: not on the flood risk listNR20 3DE: not on the flood risk listNR20 3DF: not on the flood risk listNR20 3DG: not on the flood risk listNR20 3DH: not on the flood risk listNR20 3DJ: not on the flood risk listNR20 3DL: not on the flood risk listNR20 3DN: not on the flood risk listNR20 3DP: not on the flood risk listNR20 3DQ: not on the flood risk listNR20 3DR: not on the flood risk listNR20 3DS: not on the flood risk listNR20 3DT: not on the flood risk listNR20 3DU: not on the flood risk listNR20 3DW: not on the flood risk listNR20 3DX: not on the flood risk listNR20 3DY: not on the flood risk listNR20 3DZ: not on the flood risk listNR20 3EA: not on the flood risk listNR20 3EB: not on the flood risk listNR20 3ED: not on the flood risk listNR20 3EE: not on the flood risk listNR20 3EF: not on the flood risk listNR20 3EL: not on the flood risk listNR20 3EP: not on the flood risk listNR20 3ET: not on the flood risk listNR20 3EU: not on the flood risk listNR20 3EX: not on the flood risk listNR20 3EY: not on the flood risk listNR20 3EZ: not on the flood risk listNR20 3FA: not on the flood risk listNR20 3FB: not on the flood risk listNR20 3FD: not on the flood risk listNR20 3FF: not on the flood risk listNR20 3FG: not on the flood risk listNR20 3FH: not on the flood risk listNR20 3FJ: not on the flood risk listNR20 3FL: not on the flood risk listNR20 3FP: not on the flood risk listNR20 3FQ: not on the flood risk listNR20 3FT: not on the flood risk listNR20 3FU: not on the flood risk listNR20 3FY: not on the flood risk listNR20 3GA: not on the flood risk listNR20 3GD: not on the flood risk listNR20 3GE: not on the flood risk listNR20 3GG: not on the flood risk listNR20 3GH: not on the flood risk listNR20 3GL: not on the flood risk listNR20 3GP: not on the flood risk listNR20 3GQ: not on the flood risk listNR20 3GR: not on the flood risk listNR20 3GS: not on the flood risk listNR20 3GU: not on the flood risk listNR20 3GW: not on the flood risk listNR20 3GX: not on the flood risk listNR20 3GY: not on the flood risk listNR20 3GZ: not on the flood risk listNR20 3HA: not on the flood risk listNR20 3HB: not on the flood risk listNR20 3HD: not on the flood risk listNR20 3HE: not on the flood risk listNR20 3HF: not on the flood risk listNR20 3HG: not on the flood risk listNR20 3HH: not on the flood risk listNR20 3HL: not on the flood risk listNR20 3HN: not on the flood risk listNR20 3HP: not on the flood risk listNR20 3HQ: not on the flood risk listNR20 3HR: not on the flood risk listNR20 3HS: not on the flood risk listNR20 3HT: not on the flood risk listNR20 3HU: not on the flood risk listNR20 3HW: not on the flood risk listNR20 3HY: not on the flood risk listNR20 3HZ: not on the flood risk listNR20 3JA: not on the flood risk listNR20 3JB: not on the flood risk listNR20 3JD: not on the flood risk listNR20 3JE: not on the flood risk listNR20 3JF: not on the flood risk listNR20 3JG: not on the flood risk listNR20 3JH: not on the flood risk listNR20 3JJ: not on the flood risk listNR20 3JN: not on the flood risk listNR20 3JP: not on the flood risk listNR20 3JQ: not on the flood risk listNR20 3JS: not on the flood risk listNR20 3JT: not on the flood risk listNR20 3JU: not on the flood risk listNR20 3JX: not on the flood risk listNR20 3JY: not on the flood risk listNR20 3JZ: not on the flood risk listNR20 3LA: not on the flood risk listNR20 3LB: not on the flood risk listNR20 3LD: not on the flood risk listNR20 3LE: not on the flood risk listNR20 3LF: not on the flood risk listNR20 3LG: not on the flood risk listNR20 3LH: not on the flood risk listNR20 3LJ: not on the flood risk listNR20 3LL: not on the flood risk listNR20 3LN: not on the flood risk listNR20 3LP: not on the flood risk listNR20 3LQ: not on the flood risk listNR20 3LR: not on the flood risk listNR20 3LS: not on the flood risk listNR20 3LT: not on the flood risk listNR20 3LU: not on the flood risk listNR20 3LW: not on the flood risk listNR20 3LX: not on the flood risk listNR20 3LY: not on the flood risk listNR20 3LZ: not on the flood risk listNR20 3NA: not on the flood risk listNR20 3NB: not on the flood risk listNR20 3ND: not on the flood risk listNR20 3NE: not on the flood risk listNR20 3NF: not on the flood risk listNR20 3NG: not on the flood risk listNR20 3NH: not on the flood risk listNR20 3NJ: not on the flood risk listNR20 3NL: not on the flood risk listNR20 3NN: not on the flood risk listNR20 3NP: not on the flood risk listNR20 3NQ: not on the flood risk listNR20 3NS: not on the flood risk listNR20 3NT: not on the flood risk listNR20 3NU: not on the flood risk listNR20 3NW: not on the flood risk listNR20 3NX: not on the flood risk listNR20 3NY: not on the flood risk listNR20 3NZ: not on the flood risk listNR20 3PA: not on the flood risk listNR20 3PB: not on the flood risk listNR20 3PD: not on the flood risk listNR20 3PE: not on the flood risk listNR20 3PJ: not on the flood risk listNR20 3PN: not on the flood risk listNR20 3PP: not on the flood risk listNR20 3PQ: not on the flood risk listNR20 3PR: not on the flood risk listNR20 3PS: not on the flood risk listNR20 3PT: not on the flood risk listNR20 3PU: not on the flood risk listNR20 3PW: not on the flood risk listNR20 3PX: not on the flood risk listNR20 3PY: not on the flood risk listNR20 3PZ: not on the flood risk listNR20 3QB: not on the flood risk listNR20 3QD: not on the flood risk listNR20 3QE: not on the flood risk listNR20 3QG: not on the flood risk listNR20 3QH: not on the flood risk listNR20 3QJ: not on the flood risk listNR20 3QL: not on the flood risk listNR20 3QN: not on the flood risk listNR20 3QP: not on the flood risk listNR20 3QR: not on the flood risk listNR20 3QS: not on the flood risk listNR20 3QT: not on the flood risk listNR20 3QU: not on the flood risk listNR20 3QW: not on the flood risk listNR20 3QX: not on the flood risk listNR20 3QY: not on the flood risk listNR20 3QZ: not on the flood risk listNR20 3RB: not on the flood risk listNR20 3RJ: not on the flood risk listNR20 3RL: not on the flood risk listNR20 3RN: not on the flood risk listNR20 3RP: not on the flood risk listNR20 3RS: not on the flood risk listNR20 3RT: not on the flood risk listNR20 3RW: not on the flood risk listNR20 3RX: not on the flood risk listNR20 3RY: not on the flood risk listNR20 3RZ: not on the flood risk listNR20 3SA: not on the flood risk listNR20 3SB: not on the flood risk listNR20 3SD: not on the flood risk listNR20 3SE: not on the flood risk listNR20 3SF: not on the flood risk listNR20 3SG: not on the flood risk listNR20 3SH: not on the flood risk listNR20 3SL: not on the flood risk listNR20 3SN: not on the flood risk listNR20 3SP: not on the flood risk listNR20 3SQ: not on the flood risk listNR20 3SR: not on the flood risk listNR20 3SS: not on the flood risk listNR20 3ST: not on the flood risk listNR20 3SU: not on the flood risk listNR20 3SX: not on the flood risk listNR20 3TA: not on the flood risk listNR20 3TB: not on the flood risk listNR20 3TE: not on the flood risk listNR20 3TF: not on the flood risk listNR20 3TG: not on the flood risk listNR20 3TH: not on the flood risk listNR20 3TJ: not on the flood risk listNR20 3TL: not on the flood risk listNR20 3TP: not on the flood risk listNR20 3TQ: not on the flood risk listNR20 3TR: not on the flood risk listNR20 3TT: not on the flood risk listNR20 3TU: not on the flood risk listNR20 3TX: not on the flood risk listNR20 3TZ: not on the flood risk listNR20 3UD: not on the flood risk listNR20 3UE: not on the flood risk listNR20 3UF: not on the flood risk listNR20 3UG: not on the flood risk listNR20 3UH: not on the flood risk listNR20 3UJ: not on the flood risk listNR20 3UL: not on the flood risk listNR20 3UN: not on the flood risk listNR20 3UP: not on the flood risk listNR20 3UQ: not on the flood risk listNR20 3US: not on the flood risk listNR20 3UU: not on the flood risk listNR20 3UW: not on the flood risk listNR20 3UY: not on the flood risk listNR20 3WA: not on the flood risk listNR20 3YN: not on the flood risk listNR20 3EG: low flood risk at worstNR20 3EH: low flood risk at worstNR20 3EJ: low flood risk at worstNR20 3EN: low flood risk at worstNR20 3EW: low flood risk at worstNR20 3PF: low flood risk at worstNR20 3PG: low flood risk at worstNR20 3RQ: low flood risk at worstNR20 3RH: medium flood risk at worstNR20 3EQ: high flood riskNR20 3HJ: high flood riskNR20 3JW: high flood riskNR20 3RG: high flood risk DerehamMattishallSwanton Morley Map of every postcode in the NR20 3 sector, by flood risk Of the 317 postcodes in the NR20 3 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 8 are at low risk at worst and 304 are not on the Environment Agency's at-risk list. Places named: Dereham, Mattishall, Swanton Morley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. DerehamMattishallSwanton Morley
  • A home or business at high risk: 4
  • At medium risk at worst: 1
  • At low risk at worst: 8
  • At very low risk only: 0
  • Not on the at-risk list: 304

Of the 317 postcodes in the NR20 3 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 8 are at low risk at worst and 304 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.

NR20 3RG2 at high riskNR20 3EQ1 at high riskNR20 3HJ1 at high riskNR20 3JW1 at high risk

What do homes sell for in NR20 3?

Homes in NR20 3 sold for a typical £307,000 in the 12 months to August 2026, across 88 sales, down 10.4% on the 12 months before, HM Land Registry's figures show.

£307,000 typical price, the 12 months to August 2026
£342,500 12 months to August 2025
▼ down 10.4% on the 12 months before
  • Detached £370,000 51 sales
  • Semi-detached £255,000 21 sales
  • Terraced £195,000 15 sales
  • Flat or maisonette 1 sale, 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 NR20 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 NR20 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.

NR20 3AANR20 3ABNR20 3ADNR20 3AENR20 3AFNR20 3AHNR20 3AJNR20 3ALNR20 3ANNR20 3APNR20 3AQNR20 3ARNR20 3ASNR20 3ATNR20 3AUNR20 3AWNR20 3AXNR20 3AYNR20 3AZNR20 3BANR20 3BBNR20 3BDNR20 3BENR20 3BFNR20 3BGNR20 3BHNR20 3BJNR20 3BLNR20 3BNNR20 3BPNR20 3BQNR20 3BSNR20 3BTNR20 3BUNR20 3BWNR20 3BXNR20 3BYNR20 3BZNR20 3DANR20 3DBNR20 3DDNR20 3DENR20 3DFNR20 3DGNR20 3DHNR20 3DJNR20 3DLNR20 3DNNR20 3DPNR20 3DQNR20 3DRNR20 3DSNR20 3DTNR20 3DUNR20 3DWNR20 3DXNR20 3DYNR20 3DZNR20 3EANR20 3EBNR20 3EDNR20 3EENR20 3EFNR20 3EGNR20 3EHNR20 3EJNR20 3ELNR20 3ENNR20 3EPNR20 3EQNR20 3ERNR20 3ESNR20 3ETNR20 3EUNR20 3EWNR20 3EXNR20 3EYNR20 3EZNR20 3FANR20 3FBNR20 3FDNR20 3FENR20 3FFNR20 3FGNR20 3FHNR20 3FJNR20 3FLNR20 3FNNR20 3FPNR20 3FQNR20 3FRNR20 3FSNR20 3FTNR20 3FUNR20 3FWNR20 3FXNR20 3FYNR20 3FZNR20 3GANR20 3GDNR20 3GENR20 3GGNR20 3GHNR20 3GJNR20 3GLNR20 3GNNR20 3GPNR20 3GQNR20 3GRNR20 3GSNR20 3GUNR20 3GWNR20 3GXNR20 3GYNR20 3GZNR20 3HANR20 3HBNR20 3HDNR20 3HENR20 3HFNR20 3HGNR20 3HHNR20 3HJNR20 3HLNR20 3HNNR20 3HPNR20 3HQNR20 3HRNR20 3HSNR20 3HTNR20 3HUNR20 3HWNR20 3HXNR20 3HYNR20 3HZNR20 3JANR20 3JBNR20 3JDNR20 3JENR20 3JFNR20 3JGNR20 3JHNR20 3JJNR20 3JLNR20 3JNNR20 3JPNR20 3JQNR20 3JRNR20 3JSNR20 3JTNR20 3JUNR20 3JWNR20 3JXNR20 3JYNR20 3JZNR20 3LANR20 3LBNR20 3LDNR20 3LENR20 3LFNR20 3LGNR20 3LHNR20 3LJNR20 3LLNR20 3LNNR20 3LPNR20 3LQNR20 3LRNR20 3LSNR20 3LTNR20 3LUNR20 3LWNR20 3LXNR20 3LYNR20 3LZNR20 3NANR20 3NBNR20 3NDNR20 3NENR20 3NFNR20 3NGNR20 3NHNR20 3NJNR20 3NLNR20 3NNNR20 3NPNR20 3NQNR20 3NRNR20 3NSNR20 3NTNR20 3NUNR20 3NWNR20 3NXNR20 3NYNR20 3NZNR20 3PANR20 3PBNR20 3PDNR20 3PENR20 3PFNR20 3PGNR20 3PHNR20 3PJNR20 3PLNR20 3PNNR20 3PPNR20 3PQNR20 3PRNR20 3PSNR20 3PTNR20 3PUNR20 3PWNR20 3PXNR20 3PYNR20 3PZNR20 3QANR20 3QBNR20 3QDNR20 3QENR20 3QFNR20 3QGNR20 3QHNR20 3QJNR20 3QLNR20 3QNNR20 3QPNR20 3QQNR20 3QRNR20 3QSNR20 3QTNR20 3QUNR20 3QWNR20 3QXNR20 3QYNR20 3QZNR20 3RANR20 3RBNR20 3RDNR20 3RENR20 3RFNR20 3RGNR20 3RHNR20 3RJNR20 3RLNR20 3RNNR20 3RPNR20 3RQNR20 3RRNR20 3RSNR20 3RTNR20 3RUNR20 3RWNR20 3RXNR20 3RYNR20 3RZNR20 3SANR20 3SBNR20 3SDNR20 3SENR20 3SFNR20 3SGNR20 3SHNR20 3SJNR20 3SLNR20 3SNNR20 3SPNR20 3SQNR20 3SRNR20 3SSNR20 3STNR20 3SUNR20 3SXNR20 3SYNR20 3SZNR20 3TANR20 3TBNR20 3TDNR20 3TENR20 3TFNR20 3TGNR20 3THNR20 3TJNR20 3TLNR20 3TNNR20 3TPNR20 3TQNR20 3TRNR20 3TSNR20 3TTNR20 3TUNR20 3TWNR20 3TXNR20 3TYNR20 3TZNR20 3UANR20 3UBNR20 3UDNR20 3UENR20 3UFNR20 3UGNR20 3UHNR20 3UJNR20 3ULNR20 3UNNR20 3UPNR20 3UQNR20 3URNR20 3USNR20 3UTNR20 3UUNR20 3UWNR20 3UXNR20 3UYNR20 3UZNR20 3WANR20 3WDNR20 3YN

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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