HA3 6 postcode sector in the HA3 district

HA3 6 is a sector of the HA3 district: every postcode that starts HA3 6. It has 212 postcodes in use, 3 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 HA3 6 sector, by flood risk

Map of every postcode in the HA3 6 sector, by flood risk Of the 212 postcodes in the HA3 6 sector that ONS places, 3 are at low risk at worst and 209 are not on the Environment Agency's at-risk list. Places named: Harrow Weald, Hatch End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A409A4008 HA3 6AA: not on the flood risk listHA3 6AB: not on the flood risk listHA3 6AD: not on the flood risk listHA3 6AE: not on the flood risk listHA3 6AF: not on the flood risk listHA3 6AG: not on the flood risk listHA3 6AH: not on the flood risk listHA3 6AJ: not on the flood risk listHA3 6AL: not on the flood risk listHA3 6AN: not on the flood risk listHA3 6AP: not on the flood risk listHA3 6AQ: not on the flood risk listHA3 6AR: not on the flood risk listHA3 6AS: not on the flood risk listHA3 6AT: not on the flood risk listHA3 6AU: not on the flood risk listHA3 6AW: not on the flood risk listHA3 6AX: not on the flood risk listHA3 6AY: not on the flood risk listHA3 6BA: not on the flood risk listHA3 6BB: not on the flood risk listHA3 6BD: not on the flood risk listHA3 6BE: not on the flood risk listHA3 6BF: not on the flood risk listHA3 6BG: not on the flood risk listHA3 6BH: not on the flood risk listHA3 6BJ: not on the flood risk listHA3 6BN: not on the flood risk listHA3 6BP: not on the flood risk listHA3 6BQ: not on the flood risk listHA3 6BS: not on the flood risk listHA3 6BT: not on the flood risk listHA3 6BU: not on the flood risk listHA3 6BW: not on the flood risk listHA3 6BX: not on the flood risk listHA3 6DA: not on the flood risk listHA3 6DB: not on the flood risk listHA3 6DD: not on the flood risk listHA3 6DE: not on the flood risk listHA3 6DF: not on the flood risk listHA3 6DG: not on the flood risk listHA3 6DH: not on the flood risk listHA3 6DJ: not on the flood risk listHA3 6DL: not on the flood risk listHA3 6DN: not on the flood risk listHA3 6DP: not on the flood risk listHA3 6DQ: not on the flood risk listHA3 6DR: not on the flood risk listHA3 6DS: not on the flood risk listHA3 6DT: not on the flood risk listHA3 6DW: not on the flood risk listHA3 6DY: not on the flood risk listHA3 6EA: not on the flood risk listHA3 6EB: not on the flood risk listHA3 6ED: not on the flood risk listHA3 6EF: not on the flood risk listHA3 6EG: not on the flood risk listHA3 6EH: not on the flood risk listHA3 6EJ: not on the flood risk listHA3 6EL: not on the flood risk listHA3 6EP: not on the flood risk listHA3 6EQ: not on the flood risk listHA3 6ER: not on the flood risk listHA3 6ES: not on the flood risk listHA3 6ET: not on the flood risk listHA3 6EU: not on the flood risk listHA3 6EW: not on the flood risk listHA3 6EX: not on the flood risk listHA3 6EY: not on the flood risk listHA3 6EZ: not on the flood risk listHA3 6FB: not on the flood risk listHA3 6FD: not on the flood risk listHA3 6HA: not on the flood risk listHA3 6HB: not on the flood risk listHA3 6HD: not on the flood risk listHA3 6HE: not on the flood risk listHA3 6HF: not on the flood risk listHA3 6HH: not on the flood risk listHA3 6HJ: not on the flood risk listHA3 6HL: not on the flood risk listHA3 6HN: not on the flood risk listHA3 6HP: not on the flood risk listHA3 6HQ: not on the flood risk listHA3 6HR: not on the flood risk listHA3 6HS: not on the flood risk listHA3 6HT: not on the flood risk listHA3 6HU: not on the flood risk listHA3 6HW: not on the flood risk listHA3 6HY: not on the flood risk listHA3 6HZ: not on the flood risk listHA3 6JA: not on the flood risk listHA3 6JB: not on the flood risk listHA3 6JD: not on the flood risk listHA3 6JE: not on the flood risk listHA3 6JF: not on the flood risk listHA3 6JG: not on the flood risk listHA3 6JH: not on the flood risk listHA3 6JJ: not on the flood risk listHA3 6JL: not on the flood risk listHA3 6JN: not on the flood risk listHA3 6JP: not on the flood risk listHA3 6JQ: not on the flood risk listHA3 6JR: not on the flood risk listHA3 6JT: not on the flood risk listHA3 6JU: not on the flood risk listHA3 6JW: not on the flood risk listHA3 6JX: not on the flood risk listHA3 6JY: not on the flood risk listHA3 6LE: not on the flood risk listHA3 6LF: not on the flood risk listHA3 6LG: not on the flood risk listHA3 6LH: not on the flood risk listHA3 6LJ: not on the flood risk listHA3 6LL: not on the flood risk listHA3 6LN: not on the flood risk listHA3 6LP: not on the flood risk listHA3 6LQ: not on the flood risk listHA3 6LR: not on the flood risk listHA3 6LS: not on the flood risk listHA3 6LT: not on the flood risk listHA3 6LU: not on the flood risk listHA3 6LW: not on the flood risk listHA3 6LX: not on the flood risk listHA3 6LY: not on the flood risk listHA3 6LZ: not on the flood risk listHA3 6NA: not on the flood risk listHA3 6NB: not on the flood risk listHA3 6ND: not on the flood risk listHA3 6NF: not on the flood risk listHA3 6NP: not on the flood risk listHA3 6NR: not on the flood risk listHA3 6NS: not on the flood risk listHA3 6NT: not on the flood risk listHA3 6NW: not on the flood risk listHA3 6NX: not on the flood risk listHA3 6NY: not on the flood risk listHA3 6PB: not on the flood risk listHA3 6PD: not on the flood risk listHA3 6PE: not on the flood risk listHA3 6PG: not on the flood risk listHA3 6PH: not on the flood risk listHA3 6PJ: not on the flood risk listHA3 6PL: not on the flood risk listHA3 6PN: not on the flood risk listHA3 6PP: not on the flood risk listHA3 6PQ: not on the flood risk listHA3 6PR: not on the flood risk listHA3 6PT: not on the flood risk listHA3 6PW: not on the flood risk listHA3 6QH: not on the flood risk listHA3 6QJ: not on the flood risk listHA3 6QL: not on the flood risk listHA3 6QN: not on the flood risk listHA3 6QP: not on the flood risk listHA3 6QR: not on the flood risk listHA3 6QS: not on the flood risk listHA3 6QT: not on the flood risk listHA3 6QU: not on the flood risk listHA3 6QW: not on the flood risk listHA3 6QX: not on the flood risk listHA3 6QY: not on the flood risk listHA3 6QZ: not on the flood risk listHA3 6RA: not on the flood risk listHA3 6RB: not on the flood risk listHA3 6RD: not on the flood risk listHA3 6RE: not on the flood risk listHA3 6RN: not on the flood risk listHA3 6RP: not on the flood risk listHA3 6RR: not on the flood risk listHA3 6RS: not on the flood risk listHA3 6RT: not on the flood risk listHA3 6RU: not on the flood risk listHA3 6RW: not on the flood risk listHA3 6RX: not on the flood risk listHA3 6RY: not on the flood risk listHA3 6RZ: not on the flood risk listHA3 6SA: not on the flood risk listHA3 6SB: not on the flood risk listHA3 6SD: not on the flood risk listHA3 6SE: not on the flood risk listHA3 6SF: not on the flood risk listHA3 6SH: not on the flood risk listHA3 6SL: not on the flood risk listHA3 6SN: not on the flood risk listHA3 6SP: not on the flood risk listHA3 6SQ: not on the flood risk listHA3 6SR: not on the flood risk listHA3 6SS: not on the flood risk listHA3 6ST: not on the flood risk listHA3 6SU: not on the flood risk listHA3 6SW: not on the flood risk listHA3 6SX: not on the flood risk listHA3 6TF: not on the flood risk listHA3 6TG: not on the flood risk listHA3 6TH: not on the flood risk listHA3 6TL: not on the flood risk listHA3 6TN: not on the flood risk listHA3 6TP: not on the flood risk listHA3 6TQ: not on the flood risk listHA3 6TR: not on the flood risk listHA3 6TS: not on the flood risk listHA3 6TT: not on the flood risk listHA3 6TU: not on the flood risk listHA3 6TW: not on the flood risk listHA3 6TX: not on the flood risk listHA3 6TY: not on the flood risk listHA3 6TZ: not on the flood risk listHA3 6UA: not on the flood risk listHA3 6UB: not on the flood risk listHA3 6PF: low flood risk at worstHA3 6PS: low flood risk at worstHA3 6PU: low flood risk at worst Harrow WealdHatch End Map of every postcode in the HA3 6 sector, by flood risk Of the 212 postcodes in the HA3 6 sector that ONS places, 3 are at low risk at worst and 209 are not on the Environment Agency's at-risk list. Places named: Harrow Weald, Hatch End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Harrow WealdHatch End
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 209

Of the 212 postcodes in the HA3 6 sector that ONS places, 3 are at low risk at worst and 209 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. 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

What do homes sell for in HA3 6?

Homes in HA3 6 sold for a typical £556,500 in the 12 months to August 2026, across 46 sales, up 1.1% on the 12 months before, HM Land Registry's figures show.

£556,500 typical price, the 12 months to August 2026
£550,250 12 months to August 2025
▲ up 1.1% on the 12 months before
  • Detached £830,000 7 sales
  • Semi-detached £625,000 21 sales
  • Terraced £555,000 7 sales
  • Flat or maisonette £350,000 11 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 HA3 6. 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 HA3 6

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.

HA3 6AAHA3 6ABHA3 6ADHA3 6AEHA3 6AFHA3 6AGHA3 6AHHA3 6AJHA3 6ALHA3 6ANHA3 6APHA3 6AQHA3 6ARHA3 6ASHA3 6ATHA3 6AUHA3 6AWHA3 6AXHA3 6AYHA3 6BAHA3 6BBHA3 6BDHA3 6BEHA3 6BFHA3 6BGHA3 6BHHA3 6BJHA3 6BNHA3 6BPHA3 6BQHA3 6BSHA3 6BTHA3 6BUHA3 6BWHA3 6BXHA3 6DAHA3 6DBHA3 6DDHA3 6DEHA3 6DFHA3 6DGHA3 6DHHA3 6DJHA3 6DLHA3 6DNHA3 6DPHA3 6DQHA3 6DRHA3 6DSHA3 6DTHA3 6DWHA3 6DYHA3 6EAHA3 6EBHA3 6EDHA3 6EFHA3 6EGHA3 6EHHA3 6EJHA3 6ELHA3 6EPHA3 6EQHA3 6ERHA3 6ESHA3 6ETHA3 6EUHA3 6EWHA3 6EXHA3 6EYHA3 6EZHA3 6FBHA3 6FDHA3 6HAHA3 6HBHA3 6HDHA3 6HEHA3 6HFHA3 6HHHA3 6HJHA3 6HLHA3 6HNHA3 6HPHA3 6HQHA3 6HRHA3 6HSHA3 6HTHA3 6HUHA3 6HWHA3 6HYHA3 6HZHA3 6JAHA3 6JBHA3 6JDHA3 6JEHA3 6JFHA3 6JGHA3 6JHHA3 6JJHA3 6JLHA3 6JNHA3 6JPHA3 6JQHA3 6JRHA3 6JTHA3 6JUHA3 6JWHA3 6JXHA3 6JYHA3 6LEHA3 6LFHA3 6LGHA3 6LHHA3 6LJHA3 6LLHA3 6LNHA3 6LPHA3 6LQHA3 6LRHA3 6LSHA3 6LTHA3 6LUHA3 6LWHA3 6LXHA3 6LYHA3 6LZHA3 6NAHA3 6NBHA3 6NDHA3 6NFHA3 6NPHA3 6NRHA3 6NSHA3 6NTHA3 6NWHA3 6NXHA3 6NYHA3 6PBHA3 6PDHA3 6PEHA3 6PFHA3 6PGHA3 6PHHA3 6PJHA3 6PLHA3 6PNHA3 6PPHA3 6PQHA3 6PRHA3 6PSHA3 6PTHA3 6PUHA3 6PWHA3 6QHHA3 6QJHA3 6QLHA3 6QNHA3 6QPHA3 6QRHA3 6QSHA3 6QTHA3 6QUHA3 6QWHA3 6QXHA3 6QYHA3 6QZHA3 6RAHA3 6RBHA3 6RDHA3 6REHA3 6RNHA3 6RPHA3 6RRHA3 6RSHA3 6RTHA3 6RUHA3 6RWHA3 6RXHA3 6RYHA3 6RZHA3 6SAHA3 6SBHA3 6SDHA3 6SEHA3 6SFHA3 6SHHA3 6SLHA3 6SNHA3 6SPHA3 6SQHA3 6SRHA3 6SSHA3 6STHA3 6SUHA3 6SWHA3 6SXHA3 6TFHA3 6TGHA3 6THHA3 6TLHA3 6TNHA3 6TPHA3 6TQHA3 6TRHA3 6TSHA3 6TTHA3 6TUHA3 6TWHA3 6TXHA3 6TYHA3 6TZHA3 6UAHA3 6UB

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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