HA6 1 postcode sector in the HA6 district

HA6 1 is a sector of the HA6 district: every postcode that starts HA6 1. It has 216 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 HA6 1 sector, by flood risk

Map of every postcode in the HA6 1 sector, by flood risk Of the 216 postcodes in the HA6 1 sector that ONS places, 2 are at low risk at worst and 214 are not on the Environment Agency's at-risk list. Places named: Northwood Hills, Northwood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. HA6 1AB: not on the flood risk listHA6 1AE: not on the flood risk listHA6 1AF: not on the flood risk listHA6 1AG: not on the flood risk listHA6 1AH: not on the flood risk listHA6 1AJ: not on the flood risk listHA6 1AL: not on the flood risk listHA6 1AN: not on the flood risk listHA6 1AP: not on the flood risk listHA6 1AQ: not on the flood risk listHA6 1AR: not on the flood risk listHA6 1AS: not on the flood risk listHA6 1AT: not on the flood risk listHA6 1AU: not on the flood risk listHA6 1AW: not on the flood risk listHA6 1AZ: not on the flood risk listHA6 1BA: not on the flood risk listHA6 1BE: not on the flood risk listHA6 1BG: not on the flood risk listHA6 1BH: not on the flood risk listHA6 1BJ: not on the flood risk listHA6 1BL: not on the flood risk listHA6 1BN: not on the flood risk listHA6 1BP: not on the flood risk listHA6 1BQ: not on the flood risk listHA6 1BS: not on the flood risk listHA6 1BT: not on the flood risk listHA6 1BU: not on the flood risk listHA6 1BW: not on the flood risk listHA6 1BX: not on the flood risk listHA6 1BZ: not on the flood risk listHA6 1DA: not on the flood risk listHA6 1DB: not on the flood risk listHA6 1DD: not on the flood risk listHA6 1DE: not on the flood risk listHA6 1DF: not on the flood risk listHA6 1DG: not on the flood risk listHA6 1DH: not on the flood risk listHA6 1DJ: not on the flood risk listHA6 1DN: not on the flood risk listHA6 1DP: not on the flood risk listHA6 1DQ: not on the flood risk listHA6 1DR: not on the flood risk listHA6 1DS: not on the flood risk listHA6 1DT: not on the flood risk listHA6 1DU: not on the flood risk listHA6 1DW: not on the flood risk listHA6 1DX: not on the flood risk listHA6 1DY: not on the flood risk listHA6 1DZ: not on the flood risk listHA6 1EB: not on the flood risk listHA6 1ED: not on the flood risk listHA6 1EE: not on the flood risk listHA6 1EF: not on the flood risk listHA6 1EG: not on the flood risk listHA6 1EH: not on the flood risk listHA6 1EJ: not on the flood risk listHA6 1EL: not on the flood risk listHA6 1EP: not on the flood risk listHA6 1EQ: not on the flood risk listHA6 1ER: not on the flood risk listHA6 1ES: not on the flood risk listHA6 1ET: not on the flood risk listHA6 1EU: not on the flood risk listHA6 1EW: not on the flood risk listHA6 1EX: not on the flood risk listHA6 1EY: not on the flood risk listHA6 1EZ: not on the flood risk listHA6 1FA: not on the flood risk listHA6 1FB: not on the flood risk listHA6 1FD: not on the flood risk listHA6 1FE: not on the flood risk listHA6 1HA: not on the flood risk listHA6 1HB: not on the flood risk listHA6 1HD: not on the flood risk listHA6 1HE: not on the flood risk listHA6 1HF: not on the flood risk listHA6 1HG: not on the flood risk listHA6 1HH: not on the flood risk listHA6 1HJ: not on the flood risk listHA6 1HL: not on the flood risk listHA6 1HP: not on the flood risk listHA6 1HQ: not on the flood risk listHA6 1HR: not on the flood risk listHA6 1HS: not on the flood risk listHA6 1HT: not on the flood risk listHA6 1HU: not on the flood risk listHA6 1HW: not on the flood risk listHA6 1HX: not on the flood risk listHA6 1HY: not on the flood risk listHA6 1JE: not on the flood risk listHA6 1JF: not on the flood risk listHA6 1JG: not on the flood risk listHA6 1JH: not on the flood risk listHA6 1JJ: not on the flood risk listHA6 1JL: not on the flood risk listHA6 1JN: not on the flood risk listHA6 1JP: not on the flood risk listHA6 1JQ: not on the flood risk listHA6 1JR: not on the flood risk listHA6 1JS: not on the flood risk listHA6 1JT: not on the flood risk listHA6 1JU: not on the flood risk listHA6 1JW: not on the flood risk listHA6 1JX: not on the flood risk listHA6 1JY: not on the flood risk listHA6 1JZ: not on the flood risk listHA6 1LA: not on the flood risk listHA6 1LB: not on the flood risk listHA6 1LD: not on the flood risk listHA6 1LJ: not on the flood risk listHA6 1LL: not on the flood risk listHA6 1LP: not on the flood risk listHA6 1LR: not on the flood risk listHA6 1LT: not on the flood risk listHA6 1LU: not on the flood risk listHA6 1LW: not on the flood risk listHA6 1LX: not on the flood risk listHA6 1LY: not on the flood risk listHA6 1LZ: not on the flood risk listHA6 1NA: not on the flood risk listHA6 1NB: not on the flood risk listHA6 1ND: not on the flood risk listHA6 1NE: not on the flood risk listHA6 1NF: not on the flood risk listHA6 1NG: not on the flood risk listHA6 1NH: not on the flood risk listHA6 1NJ: not on the flood risk listHA6 1NL: not on the flood risk listHA6 1NP: not on the flood risk listHA6 1NU: not on the flood risk listHA6 1NW: not on the flood risk listHA6 1NZ: not on the flood risk listHA6 1PA: not on the flood risk listHA6 1PB: not on the flood risk listHA6 1PD: not on the flood risk listHA6 1PE: not on the flood risk listHA6 1PF: not on the flood risk listHA6 1PH: not on the flood risk listHA6 1PJ: not on the flood risk listHA6 1PL: not on the flood risk listHA6 1PN: not on the flood risk listHA6 1PQ: not on the flood risk listHA6 1PS: not on the flood risk listHA6 1PW: not on the flood risk listHA6 1PY: not on the flood risk listHA6 1PZ: not on the flood risk listHA6 1QA: not on the flood risk listHA6 1QB: not on the flood risk listHA6 1QD: not on the flood risk listHA6 1QE: not on the flood risk listHA6 1QF: not on the flood risk listHA6 1QG: not on the flood risk listHA6 1QH: not on the flood risk listHA6 1QJ: not on the flood risk listHA6 1QL: not on the flood risk listHA6 1QN: not on the flood risk listHA6 1QP: not on the flood risk listHA6 1QQ: not on the flood risk listHA6 1QR: not on the flood risk listHA6 1QS: not on the flood risk listHA6 1RA: not on the flood risk listHA6 1RB: not on the flood risk listHA6 1RD: not on the flood risk listHA6 1RE: not on the flood risk listHA6 1RF: not on the flood risk listHA6 1RG: not on the flood risk listHA6 1RH: not on the flood risk listHA6 1RJ: not on the flood risk listHA6 1RL: not on the flood risk listHA6 1RN: not on the flood risk listHA6 1RP: not on the flood risk listHA6 1RQ: not on the flood risk listHA6 1RR: not on the flood risk listHA6 1RS: not on the flood risk listHA6 1RT: not on the flood risk listHA6 1RU: not on the flood risk listHA6 1RW: not on the flood risk listHA6 1RX: not on the flood risk listHA6 1SB: not on the flood risk listHA6 1SD: not on the flood risk listHA6 1SE: not on the flood risk listHA6 1SF: not on the flood risk listHA6 1SG: not on the flood risk listHA6 1SH: not on the flood risk listHA6 1SJ: not on the flood risk listHA6 1SL: not on the flood risk listHA6 1SN: not on the flood risk listHA6 1SP: not on the flood risk listHA6 1SQ: not on the flood risk listHA6 1SR: not on the flood risk listHA6 1SS: not on the flood risk listHA6 1ST: not on the flood risk listHA6 1SU: not on the flood risk listHA6 1SW: not on the flood risk listHA6 1SX: not on the flood risk listHA6 1SY: not on the flood risk listHA6 1SZ: not on the flood risk listHA6 1TA: not on the flood risk listHA6 1TB: not on the flood risk listHA6 1TE: not on the flood risk listHA6 1TF: not on the flood risk listHA6 1TG: not on the flood risk listHA6 1TH: not on the flood risk listHA6 1TJ: not on the flood risk listHA6 1TL: not on the flood risk listHA6 1TN: not on the flood risk listHA6 1TQ: not on the flood risk listHA6 1UA: not on the flood risk listHA6 1UD: not on the flood risk listHA6 1HN: low flood risk at worstHA6 1QW: low flood risk at worst Northwood HillsNorthwood Map of every postcode in the HA6 1 sector, by flood risk Of the 216 postcodes in the HA6 1 sector that ONS places, 2 are at low risk at worst and 214 are not on the Environment Agency's at-risk list. Places named: Northwood Hills, Northwood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Northwood HillsNorthwood
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 214

Of the 216 postcodes in the HA6 1 sector that ONS places, 2 are at low risk at worst and 214 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

What do homes sell for in HA6 1?

Homes in HA6 1 sold for a typical £650,000 in the 12 months to August 2026, across 55 sales, down 4.8% on the 12 months before, HM Land Registry's figures show.

£650,000 typical price, the 12 months to August 2026
£682,500 12 months to August 2025
▼ down 4.8% on the 12 months before
  • Detached £765,000 12 sales
  • Semi-detached £706,000 21 sales
  • Terraced £587,500 10 sales
  • Flat or maisonette £210,000 12 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 HA6 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 HA6 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.

HA6 1ABHA6 1ADHA6 1AEHA6 1AFHA6 1AGHA6 1AHHA6 1AJHA6 1ALHA6 1ANHA6 1APHA6 1AQHA6 1ARHA6 1ASHA6 1ATHA6 1AUHA6 1AWHA6 1AZHA6 1BAHA6 1BEHA6 1BGHA6 1BHHA6 1BJHA6 1BLHA6 1BNHA6 1BPHA6 1BQHA6 1BSHA6 1BTHA6 1BUHA6 1BWHA6 1BXHA6 1BZHA6 1DAHA6 1DBHA6 1DDHA6 1DEHA6 1DFHA6 1DGHA6 1DHHA6 1DJHA6 1DNHA6 1DPHA6 1DQHA6 1DRHA6 1DSHA6 1DTHA6 1DUHA6 1DWHA6 1DXHA6 1DYHA6 1DZHA6 1EBHA6 1EDHA6 1EEHA6 1EFHA6 1EGHA6 1EHHA6 1EJHA6 1ELHA6 1EPHA6 1EQHA6 1ERHA6 1ESHA6 1ETHA6 1EUHA6 1EWHA6 1EXHA6 1EYHA6 1EZHA6 1FAHA6 1FBHA6 1FDHA6 1FEHA6 1HAHA6 1HBHA6 1HDHA6 1HEHA6 1HFHA6 1HGHA6 1HHHA6 1HJHA6 1HLHA6 1HNHA6 1HPHA6 1HQHA6 1HRHA6 1HSHA6 1HTHA6 1HUHA6 1HWHA6 1HXHA6 1HYHA6 1JEHA6 1JFHA6 1JGHA6 1JHHA6 1JJHA6 1JLHA6 1JNHA6 1JPHA6 1JQHA6 1JRHA6 1JSHA6 1JTHA6 1JUHA6 1JWHA6 1JXHA6 1JYHA6 1JZHA6 1LAHA6 1LBHA6 1LDHA6 1LJHA6 1LLHA6 1LPHA6 1LRHA6 1LSHA6 1LTHA6 1LUHA6 1LWHA6 1LXHA6 1LYHA6 1LZHA6 1NAHA6 1NBHA6 1NDHA6 1NEHA6 1NFHA6 1NGHA6 1NHHA6 1NJHA6 1NLHA6 1NPHA6 1NUHA6 1NWHA6 1NZHA6 1PAHA6 1PBHA6 1PDHA6 1PEHA6 1PFHA6 1PGHA6 1PHHA6 1PJHA6 1PLHA6 1PNHA6 1PQHA6 1PSHA6 1PWHA6 1PYHA6 1PZHA6 1QAHA6 1QBHA6 1QDHA6 1QEHA6 1QFHA6 1QGHA6 1QHHA6 1QJHA6 1QLHA6 1QNHA6 1QPHA6 1QQHA6 1QRHA6 1QSHA6 1QWHA6 1RAHA6 1RBHA6 1RDHA6 1REHA6 1RFHA6 1RGHA6 1RHHA6 1RJHA6 1RLHA6 1RNHA6 1RPHA6 1RQHA6 1RRHA6 1RSHA6 1RTHA6 1RUHA6 1RWHA6 1RXHA6 1SBHA6 1SDHA6 1SEHA6 1SFHA6 1SGHA6 1SHHA6 1SJHA6 1SLHA6 1SNHA6 1SPHA6 1SQHA6 1SRHA6 1SSHA6 1STHA6 1SUHA6 1SWHA6 1SXHA6 1SYHA6 1SZHA6 1TAHA6 1TBHA6 1TEHA6 1TFHA6 1TGHA6 1THHA6 1TJHA6 1TLHA6 1TNHA6 1TQHA6 1TYHA6 1UAHA6 1UD

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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