NW4 3 postcode sector in the NW4 district

NW4 3 is a sector of the NW4 district: every postcode that starts NW4 3. It has 191 postcodes in use, 9 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 3 sector, by flood risk

Map of every postcode in the NW4 3 sector, by flood risk Of the 191 postcodes in the NW4 3 sector that ONS places, 2 have a home or business at high risk, 7 are at low risk at worst and 182 are not on the Environment Agency's at-risk list. Places named: West Hendon, Hendon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A41A406A5150 NW4 3AB: not on the flood risk listNW4 3AD: not on the flood risk listNW4 3AF: not on the flood risk listNW4 3AL: not on the flood risk listNW4 3AN: not on the flood risk listNW4 3AP: not on the flood risk listNW4 3AQ: not on the flood risk listNW4 3AR: not on the flood risk listNW4 3AS: not on the flood risk listNW4 3AU: not on the flood risk listNW4 3AX: not on the flood risk listNW4 3AY: not on the flood risk listNW4 3AZ: not on the flood risk listNW4 3BE: not on the flood risk listNW4 3BF: not on the flood risk listNW4 3BP: not on the flood risk listNW4 3BS: not on the flood risk listNW4 3BU: not on the flood risk listNW4 3BW: not on the flood risk listNW4 3BY: not on the flood risk listNW4 3DE: not on the flood risk listNW4 3DG: not on the flood risk listNW4 3DH: not on the flood risk listNW4 3DJ: not on the flood risk listNW4 3DL: not on the flood risk listNW4 3DN: not on the flood risk listNW4 3DP: not on the flood risk listNW4 3DS: not on the flood risk listNW4 3DT: not on the flood risk listNW4 3DU: not on the flood risk listNW4 3DX: not on the flood risk listNW4 3DY: not on the flood risk listNW4 3EA: not on the flood risk listNW4 3EB: not on the flood risk listNW4 3EE: not on the flood risk listNW4 3EG: not on the flood risk listNW4 3EH: not on the flood risk listNW4 3EJ: not on the flood risk listNW4 3EL: not on the flood risk listNW4 3EN: not on the flood risk listNW4 3EQ: not on the flood risk listNW4 3ER: not on the flood risk listNW4 3ES: not on the flood risk listNW4 3ET: not on the flood risk listNW4 3EU: not on the flood risk listNW4 3EX: not on the flood risk listNW4 3EY: not on the flood risk listNW4 3FB: not on the flood risk listNW4 3FD: not on the flood risk listNW4 3HA: not on the flood risk listNW4 3HB: not on the flood risk listNW4 3HD: not on the flood risk listNW4 3HE: not on the flood risk listNW4 3HG: not on the flood risk listNW4 3HH: not on the flood risk listNW4 3HN: not on the flood risk listNW4 3HU: not on the flood risk listNW4 3HW: not on the flood risk listNW4 3HX: not on the flood risk listNW4 3HY: not on the flood risk listNW4 3JA: not on the flood risk listNW4 3JB: not on the flood risk listNW4 3JD: not on the flood risk listNW4 3JH: not on the flood risk listNW4 3JJ: not on the flood risk listNW4 3JL: not on the flood risk listNW4 3JR: not on the flood risk listNW4 3JS: not on the flood risk listNW4 3LH: not on the flood risk listNW4 3LN: not on the flood risk listNW4 3LP: not on the flood risk listNW4 3LU: not on the flood risk listNW4 3LY: not on the flood risk listNW4 3NB: not on the flood risk listNW4 3NE: not on the flood risk listNW4 3NH: not on the flood risk listNW4 3NJ: not on the flood risk listNW4 3NL: not on the flood risk listNW4 3NS: not on the flood risk listNW4 3PA: not on the flood risk listNW4 3PB: not on the flood risk listNW4 3PD: not on the flood risk listNW4 3PE: not on the flood risk listNW4 3PG: not on the flood risk listNW4 3PH: not on the flood risk listNW4 3PJ: not on the flood risk listNW4 3PL: not on the flood risk listNW4 3PN: not on the flood risk listNW4 3PP: not on the flood risk listNW4 3PQ: not on the flood risk listNW4 3PR: not on the flood risk listNW4 3PS: not on the flood risk listNW4 3PT: not on the flood risk listNW4 3PU: not on the flood risk listNW4 3PX: not on the flood risk listNW4 3PY: not on the flood risk listNW4 3QA: not on the flood risk listNW4 3QB: not on the flood risk listNW4 3QH: not on the flood risk listNW4 3QJ: not on the flood risk listNW4 3QN: not on the flood risk listNW4 3QP: not on the flood risk listNW4 3QR: not on the flood risk listNW4 3QS: not on the flood risk listNW4 3QT: not on the flood risk listNW4 3QU: not on the flood risk listNW4 3QX: not on the flood risk listNW4 3QY: not on the flood risk listNW4 3RA: not on the flood risk listNW4 3RB: not on the flood risk listNW4 3RD: not on the flood risk listNW4 3RE: not on the flood risk listNW4 3RP: not on the flood risk listNW4 3RR: not on the flood risk listNW4 3RS: not on the flood risk listNW4 3RU: not on the flood risk listNW4 3RW: not on the flood risk listNW4 3RX: not on the flood risk listNW4 3RY: not on the flood risk listNW4 3SA: not on the flood risk listNW4 3SB: not on the flood risk listNW4 3SD: not on the flood risk listNW4 3SE: not on the flood risk listNW4 3SJ: not on the flood risk listNW4 3SL: not on the flood risk listNW4 3SN: not on the flood risk listNW4 3SP: not on the flood risk listNW4 3SR: not on the flood risk listNW4 3SS: not on the flood risk listNW4 3ST: not on the flood risk listNW4 3SU: not on the flood risk listNW4 3SX: not on the flood risk listNW4 3SY: not on the flood risk listNW4 3SZ: not on the flood risk listNW4 3TA: not on the flood risk listNW4 3TH: not on the flood risk listNW4 3TJ: not on the flood risk listNW4 3TL: not on the flood risk listNW4 3TN: not on the flood risk listNW4 3TP: not on the flood risk listNW4 3TR: not on the flood risk listNW4 3TS: not on the flood risk listNW4 3TT: not on the flood risk listNW4 3TU: not on the flood risk listNW4 3TX: not on the flood risk listNW4 3TY: not on the flood risk listNW4 3UD: not on the flood risk listNW4 3UE: not on the flood risk listNW4 3UG: not on the flood risk listNW4 3UH: not on the flood risk listNW4 3UJ: not on the flood risk listNW4 3UL: not on the flood risk listNW4 3UT: not on the flood risk listNW4 3UU: not on the flood risk listNW4 3UX: not on the flood risk listNW4 3UY: not on the flood risk listNW4 3XD: not on the flood risk listNW4 3XE: not on the flood risk listNW4 3XG: not on the flood risk listNW4 3XH: not on the flood risk listNW4 3XJ: not on the flood risk listNW4 3XP: not on the flood risk listNW4 3XS: not on the flood risk listNW4 3XT: not on the flood risk listNW4 3XU: not on the flood risk listNW4 3XY: not on the flood risk listNW4 3XZ: not on the flood risk listNW4 3YA: not on the flood risk listNW4 3BG: low flood risk at worstNW4 3BH: low flood risk at worstNW4 3BJ: low flood risk at worstNW4 3BQ: low flood risk at worstNW4 3HP: low flood risk at worstNW4 3HR: low flood risk at worstNW4 3RJ: low flood risk at worstNW4 3BR: high flood riskNW4 3RG: high flood risk West HendonHendon Map of every postcode in the NW4 3 sector, by flood risk Of the 191 postcodes in the NW4 3 sector that ONS places, 2 have a home or business at high risk, 7 are at low risk at worst and 182 are not on the Environment Agency's at-risk list. Places named: West Hendon, Hendon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A406 West HendonHendon
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 7
  • At very low risk only: 0
  • Not on the at-risk list: 182

Of the 191 postcodes in the NW4 3 sector that ONS places, 2 have a home or business at high risk, 7 are at low risk at worst and 182 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 high risk

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

NW4 3RG18 at high riskNW4 3BR1 at high risk

What do homes sell for in NW4 3?

Homes in NW4 3 sold for a typical £517,500 in the 12 months to August 2026, across 34 sales, up 17.6% on the 12 months before, HM Land Registry's figures show.

£517,500 typical price, the 12 months to August 2026
£440,000 12 months to August 2025
▲ up 17.6% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached £591,250 10 sales
  • Terraced £575,120 5 sales
  • Flat or maisonette £365,000 15 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 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 NW4 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.

NW4 3ABNW4 3ADNW4 3AFNW4 3ALNW4 3ANNW4 3APNW4 3AQNW4 3ARNW4 3ASNW4 3AUNW4 3AXNW4 3AYNW4 3AZNW4 3BENW4 3BFNW4 3BGNW4 3BHNW4 3BJNW4 3BPNW4 3BQNW4 3BRNW4 3BSNW4 3BUNW4 3BWNW4 3BYNW4 3DENW4 3DGNW4 3DHNW4 3DJNW4 3DLNW4 3DNNW4 3DPNW4 3DSNW4 3DTNW4 3DUNW4 3DXNW4 3DYNW4 3EANW4 3EBNW4 3EENW4 3EGNW4 3EHNW4 3EJNW4 3ELNW4 3ENNW4 3EQNW4 3ERNW4 3ESNW4 3ETNW4 3EUNW4 3EXNW4 3EYNW4 3FBNW4 3FDNW4 3FENW4 3FGNW4 3FHNW4 3FJNW4 3FLNW4 3FNNW4 3FPNW4 3FQNW4 3FTNW4 3FYNW4 3FZNW4 3HANW4 3HBNW4 3HDNW4 3HENW4 3HGNW4 3HHNW4 3HNNW4 3HPNW4 3HRNW4 3HUNW4 3HWNW4 3HXNW4 3HYNW4 3JANW4 3JBNW4 3JDNW4 3JHNW4 3JJNW4 3JLNW4 3JRNW4 3JSNW4 3LHNW4 3LNNW4 3LPNW4 3LUNW4 3LYNW4 3NBNW4 3NENW4 3NHNW4 3NJNW4 3NLNW4 3NSNW4 3PANW4 3PBNW4 3PDNW4 3PENW4 3PGNW4 3PHNW4 3PJNW4 3PLNW4 3PNNW4 3PPNW4 3PQNW4 3PRNW4 3PSNW4 3PTNW4 3PUNW4 3PXNW4 3PYNW4 3QANW4 3QBNW4 3QHNW4 3QJNW4 3QNNW4 3QPNW4 3QQNW4 3QRNW4 3QSNW4 3QTNW4 3QUNW4 3QXNW4 3QYNW4 3RANW4 3RBNW4 3RDNW4 3RENW4 3RGNW4 3RJNW4 3RPNW4 3RRNW4 3RSNW4 3RUNW4 3RWNW4 3RXNW4 3RYNW4 3SANW4 3SBNW4 3SDNW4 3SENW4 3SJNW4 3SLNW4 3SNNW4 3SPNW4 3SRNW4 3SSNW4 3STNW4 3SUNW4 3SXNW4 3SYNW4 3SZNW4 3TANW4 3THNW4 3TJNW4 3TLNW4 3TNNW4 3TPNW4 3TRNW4 3TSNW4 3TTNW4 3TUNW4 3TXNW4 3TYNW4 3UDNW4 3UENW4 3UGNW4 3UHNW4 3UJNW4 3ULNW4 3UTNW4 3UUNW4 3UXNW4 3UYNW4 3XDNW4 3XENW4 3XGNW4 3XHNW4 3XJNW4 3XPNW4 3XRNW4 3XSNW4 3XTNW4 3XUNW4 3XYNW4 3XZNW4 3YANW4 3YD

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.

Check a postcode

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