NW4 1 postcode sector in the NW4 district

NW4 1 is a sector of the NW4 district: every postcode that starts NW4 1. It has 178 postcodes in use, 6 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 NW4 1 sector, by flood risk

Map of every postcode in the NW4 1 sector, by flood risk Of the 178 postcodes in the NW4 1 sector that ONS places, 1 are at medium risk at worst, 4 are at low risk at worst and 173 are not on the Environment Agency's at-risk list. Places named: Hendon, Finchley Church End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1A41A504 NW4 1AA: not on the flood risk listNW4 1AB: not on the flood risk listNW4 1AD: not on the flood risk listNW4 1AE: not on the flood risk listNW4 1AH: not on the flood risk listNW4 1AJ: not on the flood risk listNW4 1AP: not on the flood risk listNW4 1AQ: not on the flood risk listNW4 1AR: not on the flood risk listNW4 1AS: not on the flood risk listNW4 1AU: not on the flood risk listNW4 1AX: not on the flood risk listNW4 1AY: not on the flood risk listNW4 1BE: not on the flood risk listNW4 1BJ: not on the flood risk listNW4 1BN: not on the flood risk listNW4 1BP: not on the flood risk listNW4 1BT: not on the flood risk listNW4 1BU: not on the flood risk listNW4 1BW: not on the flood risk listNW4 1BX: not on the flood risk listNW4 1BY: not on the flood risk listNW4 1BZ: not on the flood risk listNW4 1DA: not on the flood risk listNW4 1DB: not on the flood risk listNW4 1DD: not on the flood risk listNW4 1DE: not on the flood risk listNW4 1DF: not on the flood risk listNW4 1DG: not on the flood risk listNW4 1DH: not on the flood risk listNW4 1DJ: not on the flood risk listNW4 1DL: not on the flood risk listNW4 1DN: not on the flood risk listNW4 1DP: not on the flood risk listNW4 1DQ: not on the flood risk listNW4 1DT: not on the flood risk listNW4 1DU: not on the flood risk listNW4 1DX: not on the flood risk listNW4 1DY: not on the flood risk listNW4 1DZ: not on the flood risk listNW4 1EA: not on the flood risk listNW4 1EB: not on the flood risk listNW4 1ED: not on the flood risk listNW4 1EE: not on the flood risk listNW4 1EH: not on the flood risk listNW4 1EJ: not on the flood risk listNW4 1EL: not on the flood risk listNW4 1EN: not on the flood risk listNW4 1EP: not on the flood risk listNW4 1ER: not on the flood risk listNW4 1ES: not on the flood risk listNW4 1ET: not on the flood risk listNW4 1EU: not on the flood risk listNW4 1EX: not on the flood risk listNW4 1EY: not on the flood risk listNW4 1FA: not on the flood risk listNW4 1FE: not on the flood risk listNW4 1HD: not on the flood risk listNW4 1HE: not on the flood risk listNW4 1HG: not on the flood risk listNW4 1HH: not on the flood risk listNW4 1HJ: not on the flood risk listNW4 1HL: not on the flood risk listNW4 1HN: not on the flood risk listNW4 1HP: not on the flood risk listNW4 1HQ: not on the flood risk listNW4 1HR: not on the flood risk listNW4 1HS: not on the flood risk listNW4 1HT: not on the flood risk listNW4 1HU: not on the flood risk listNW4 1HX: not on the flood risk listNW4 1HY: not on the flood risk listNW4 1JA: not on the flood risk listNW4 1JB: not on the flood risk listNW4 1JD: not on the flood risk listNW4 1JE: not on the flood risk listNW4 1JF: not on the flood risk listNW4 1JL: not on the flood risk listNW4 1JN: not on the flood risk listNW4 1JP: not on the flood risk listNW4 1JR: not on the flood risk listNW4 1JS: not on the flood risk listNW4 1JT: not on the flood risk listNW4 1JY: not on the flood risk listNW4 1LA: not on the flood risk listNW4 1LD: not on the flood risk listNW4 1LE: not on the flood risk listNW4 1LG: not on the flood risk listNW4 1LH: not on the flood risk listNW4 1LP: not on the flood risk listNW4 1LR: not on the flood risk listNW4 1LS: not on the flood risk listNW4 1LT: not on the flood risk listNW4 1LW: not on the flood risk listNW4 1NA: not on the flood risk listNW4 1ND: not on the flood risk listNW4 1NE: not on the flood risk listNW4 1NF: not on the flood risk listNW4 1NH: not on the flood risk listNW4 1NJ: not on the flood risk listNW4 1NL: not on the flood risk listNW4 1NQ: not on the flood risk listNW4 1NW: not on the flood risk listNW4 1NX: not on the flood risk listNW4 1NY: not on the flood risk listNW4 1PA: not on the flood risk listNW4 1PB: not on the flood risk listNW4 1PD: not on the flood risk listNW4 1PF: not on the flood risk listNW4 1PH: not on the flood risk listNW4 1PJ: not on the flood risk listNW4 1PL: not on the flood risk listNW4 1PN: not on the flood risk listNW4 1PP: not on the flood risk listNW4 1PQ: not on the flood risk listNW4 1PR: not on the flood risk listNW4 1PS: not on the flood risk listNW4 1PT: not on the flood risk listNW4 1PW: not on the flood risk listNW4 1PX: not on the flood risk listNW4 1QB: not on the flood risk listNW4 1QD: not on the flood risk listNW4 1QE: not on the flood risk listNW4 1QG: not on the flood risk listNW4 1QH: not on the flood risk listNW4 1QL: not on the flood risk listNW4 1QN: not on the flood risk listNW4 1QP: not on the flood risk listNW4 1QQ: not on the flood risk listNW4 1QR: not on the flood risk listNW4 1QS: not on the flood risk listNW4 1QT: not on the flood risk listNW4 1QU: not on the flood risk listNW4 1QW: not on the flood risk listNW4 1QX: not on the flood risk listNW4 1QY: not on the flood risk listNW4 1RB: not on the flood risk listNW4 1RD: not on the flood risk listNW4 1RE: not on the flood risk listNW4 1RL: not on the flood risk listNW4 1RP: not on the flood risk listNW4 1RR: not on the flood risk listNW4 1RS: not on the flood risk listNW4 1RT: not on the flood risk listNW4 1RX: not on the flood risk listNW4 1RY: not on the flood risk listNW4 1SA: not on the flood risk listNW4 1SB: not on the flood risk listNW4 1SD: not on the flood risk listNW4 1SE: not on the flood risk listNW4 1SG: not on the flood risk listNW4 1SH: not on the flood risk listNW4 1SJ: not on the flood risk listNW4 1SL: not on the flood risk listNW4 1SU: not on the flood risk listNW4 1SX: not on the flood risk listNW4 1SY: not on the flood risk listNW4 1TA: not on the flood risk listNW4 1TB: not on the flood risk listNW4 1TD: not on the flood risk listNW4 1TE: not on the flood risk listNW4 1TF: not on the flood risk listNW4 1TG: not on the flood risk listNW4 1TH: not on the flood risk listNW4 1TJ: not on the flood risk listNW4 1TL: not on the flood risk listNW4 1TN: not on the flood risk listNW4 1TP: not on the flood risk listNW4 1TR: not on the flood risk listNW4 1WQ: not on the flood risk listNW4 1LL: low flood risk at worstNW4 1LN: low flood risk at worstNW4 1NN: low flood risk at worstNW4 1NP: low flood risk at worstNW4 1LJ: medium flood risk at worst HendonFinchley Church End Map of every postcode in the NW4 1 sector, by flood risk Of the 178 postcodes in the NW4 1 sector that ONS places, 1 are at medium risk at worst, 4 are at low risk at worst and 173 are not on the Environment Agency's at-risk list. Places named: Hendon, Finchley Church End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1 HendonFinchley Church End
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 173

Of the 178 postcodes in the NW4 1 sector that ONS places, 1 are at medium risk at worst, 4 are at low risk at worst and 173 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

The postcodes at medium risk at worst

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

NW4 1LJ5 at medium risk

What do homes sell for in NW4 1?

Homes in NW4 1 sold for a typical £500,000 in the 12 months to August 2026, across 35 sales, down 16% on the 12 months before, HM Land Registry's figures show.

£500,000 typical price, the 12 months to August 2026
£595,000 12 months to August 2025
▼ down 16% on the 12 months before
  • Detached 3 sales, too few to price
  • Semi-detached £867,000 12 sales
  • Terraced 1 sale, too few to price
  • Flat or maisonette £405,000 19 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 NW4 1. 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 NW4 1

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.

NW4 1AANW4 1ABNW4 1ADNW4 1AENW4 1AHNW4 1AJNW4 1APNW4 1AQNW4 1ARNW4 1ASNW4 1AUNW4 1AXNW4 1AYNW4 1BENW4 1BJNW4 1BNNW4 1BPNW4 1BTNW4 1BUNW4 1BWNW4 1BXNW4 1BYNW4 1BZNW4 1DANW4 1DBNW4 1DDNW4 1DENW4 1DFNW4 1DGNW4 1DHNW4 1DJNW4 1DLNW4 1DNNW4 1DPNW4 1DQNW4 1DSNW4 1DTNW4 1DUNW4 1DXNW4 1DYNW4 1DZNW4 1EANW4 1EBNW4 1EDNW4 1EENW4 1EHNW4 1EJNW4 1ELNW4 1ENNW4 1EPNW4 1ERNW4 1ESNW4 1ETNW4 1EUNW4 1EXNW4 1EYNW4 1FANW4 1FENW4 1HDNW4 1HENW4 1HGNW4 1HHNW4 1HJNW4 1HLNW4 1HNNW4 1HPNW4 1HQNW4 1HRNW4 1HSNW4 1HTNW4 1HUNW4 1HXNW4 1HYNW4 1JANW4 1JBNW4 1JDNW4 1JENW4 1JFNW4 1JLNW4 1JNNW4 1JPNW4 1JRNW4 1JSNW4 1JTNW4 1JYNW4 1LANW4 1LDNW4 1LENW4 1LGNW4 1LHNW4 1LJNW4 1LLNW4 1LNNW4 1LPNW4 1LRNW4 1LSNW4 1LTNW4 1LWNW4 1NANW4 1NDNW4 1NENW4 1NFNW4 1NHNW4 1NJNW4 1NLNW4 1NNNW4 1NPNW4 1NQNW4 1NWNW4 1NXNW4 1NYNW4 1PANW4 1PBNW4 1PDNW4 1PFNW4 1PHNW4 1PJNW4 1PLNW4 1PNNW4 1PPNW4 1PQNW4 1PRNW4 1PSNW4 1PTNW4 1PWNW4 1PXNW4 1QBNW4 1QDNW4 1QENW4 1QGNW4 1QHNW4 1QJNW4 1QLNW4 1QNNW4 1QPNW4 1QQNW4 1QRNW4 1QSNW4 1QTNW4 1QUNW4 1QWNW4 1QXNW4 1QYNW4 1RBNW4 1RDNW4 1RENW4 1RLNW4 1RPNW4 1RRNW4 1RSNW4 1RTNW4 1RXNW4 1RYNW4 1SANW4 1SBNW4 1SDNW4 1SENW4 1SGNW4 1SHNW4 1SJNW4 1SLNW4 1SUNW4 1SXNW4 1SYNW4 1TANW4 1TBNW4 1TDNW4 1TENW4 1TFNW4 1TGNW4 1THNW4 1TJNW4 1TLNW4 1TNNW4 1TPNW4 1TRNW4 1WQNW4 1YL

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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