TW4 6 postcode sector in the TW4 district

TW4 6 is a sector of the TW4 district: every postcode that starts TW4 6. It has 102 postcodes in use, 4 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 TW4 6 sector, by flood risk

Map of every postcode in the TW4 6 sector, by flood risk Of the 102 postcodes in the TW4 6 sector that ONS places, 2 have a home or business at high risk and 100 are not on the Environment Agency's at-risk list. Places named: Cranford, Hounslow West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A4 TW4 6AA: not on the flood risk listTW4 6AB: not on the flood risk listTW4 6AD: not on the flood risk listTW4 6AE: not on the flood risk listTW4 6AF: not on the flood risk listTW4 6AG: not on the flood risk listTW4 6AH: not on the flood risk listTW4 6AJ: not on the flood risk listTW4 6AL: not on the flood risk listTW4 6AN: not on the flood risk listTW4 6AP: not on the flood risk listTW4 6AQ: not on the flood risk listTW4 6AR: not on the flood risk listTW4 6AS: not on the flood risk listTW4 6AW: not on the flood risk listTW4 6AX: not on the flood risk listTW4 6AY: not on the flood risk listTW4 6AZ: not on the flood risk listTW4 6BA: not on the flood risk listTW4 6BE: not on the flood risk listTW4 6BH: not on the flood risk listTW4 6BL: not on the flood risk listTW4 6BQ: not on the flood risk listTW4 6BT: not on the flood risk listTW4 6BU: not on the flood risk listTW4 6BW: not on the flood risk listTW4 6BX: not on the flood risk listTW4 6BY: not on the flood risk listTW4 6DA: not on the flood risk listTW4 6DE: not on the flood risk listTW4 6DF: not on the flood risk listTW4 6DL: not on the flood risk listTW4 6DN: not on the flood risk listTW4 6DR: not on the flood risk listTW4 6DS: not on the flood risk listTW4 6DT: not on the flood risk listTW4 6DW: not on the flood risk listTW4 6DX: not on the flood risk listTW4 6EB: not on the flood risk listTW4 6EE: not on the flood risk listTW4 6EH: not on the flood risk listTW4 6EJ: not on the flood risk listTW4 6EL: not on the flood risk listTW4 6EN: not on the flood risk listTW4 6EQ: not on the flood risk listTW4 6ER: not on the flood risk listTW4 6ES: not on the flood risk listTW4 6ET: not on the flood risk listTW4 6EU: not on the flood risk listTW4 6EW: not on the flood risk listTW4 6EX: not on the flood risk listTW4 6EY: not on the flood risk listTW4 6FA: not on the flood risk listTW4 6FB: not on the flood risk listTW4 6FE: not on the flood risk listTW4 6HB: not on the flood risk listTW4 6HD: not on the flood risk listTW4 6HF: not on the flood risk listTW4 6HG: not on the flood risk listTW4 6HH: not on the flood risk listTW4 6HN: not on the flood risk listTW4 6HP: not on the flood risk listTW4 6HQ: not on the flood risk listTW4 6HR: not on the flood risk listTW4 6HS: not on the flood risk listTW4 6HT: not on the flood risk listTW4 6HU: not on the flood risk listTW4 6HW: not on the flood risk listTW4 6HY: not on the flood risk listTW4 6JF: not on the flood risk listTW4 6JG: not on the flood risk listTW4 6JQ: not on the flood risk listTW4 6JR: not on the flood risk listTW4 6LA: not on the flood risk listTW4 6LB: not on the flood risk listTW4 6LD: not on the flood risk listTW4 6LE: not on the flood risk listTW4 6LF: not on the flood risk listTW4 6LJ: not on the flood risk listTW4 6LL: not on the flood risk listTW4 6LN: not on the flood risk listTW4 6LR: not on the flood risk listTW4 6LS: not on the flood risk listTW4 6LT: not on the flood risk listTW4 6LU: not on the flood risk listTW4 6LW: not on the flood risk listTW4 6LX: not on the flood risk listTW4 6LY: not on the flood risk listTW4 6NA: not on the flood risk listTW4 6NB: not on the flood risk listTW4 6NF: not on the flood risk listTW4 6NW: not on the flood risk listTW4 6RP: not on the flood risk listTW4 6DH: high flood riskTW4 6FD: high flood risk CranfordHounslow West Map of every postcode in the TW4 6 sector, by flood risk Of the 102 postcodes in the TW4 6 sector that ONS places, 2 have a home or business at high risk and 100 are not on the Environment Agency's at-risk list. Places named: Cranford, Hounslow West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4A3005A314 CranfordHounslow West
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 100

Of the 102 postcodes in the TW4 6 sector that ONS places, 2 have a home or business at high risk and 100 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.

TW4 6DH1 at high riskTW4 6FD1 at high risk

What do homes sell for in TW4 6?

Homes in TW4 6 sold for a typical £460,750 in the 12 months to August 2026, across 20 sales, down 7.3% on the 12 months before, HM Land Registry's figures show.

£460,750 typical price, the 12 months to August 2026
£497,250 12 months to August 2025
▼ down 7.3% on the 12 months before
  • Semi-detached £563,000 5 sales
  • Terraced £515,000 10 sales
  • Flat or maisonette £315,000 5 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 TW4 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 TW4 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.

TW4 6AATW4 6ABTW4 6ADTW4 6AETW4 6AFTW4 6AGTW4 6AHTW4 6AJTW4 6ALTW4 6ANTW4 6APTW4 6AQTW4 6ARTW4 6ASTW4 6AWTW4 6AXTW4 6AYTW4 6AZTW4 6BATW4 6BETW4 6BHTW4 6BLTW4 6BQTW4 6BTTW4 6BUTW4 6BWTW4 6BXTW4 6BYTW4 6DATW4 6DETW4 6DFTW4 6DHTW4 6DJTW4 6DLTW4 6DNTW4 6DQTW4 6DRTW4 6DSTW4 6DTTW4 6DWTW4 6DXTW4 6EBTW4 6EDTW4 6EETW4 6EHTW4 6EJTW4 6ELTW4 6ENTW4 6EPTW4 6EQTW4 6ERTW4 6ESTW4 6ETTW4 6EUTW4 6EWTW4 6EXTW4 6EYTW4 6FATW4 6FBTW4 6FDTW4 6FETW4 6HBTW4 6HDTW4 6HFTW4 6HGTW4 6HHTW4 6HJTW4 6HNTW4 6HPTW4 6HQTW4 6HRTW4 6HSTW4 6HTTW4 6HUTW4 6HWTW4 6HXTW4 6HYTW4 6JFTW4 6JGTW4 6JQTW4 6JRTW4 6LATW4 6LBTW4 6LDTW4 6LETW4 6LFTW4 6LJTW4 6LLTW4 6LNTW4 6LRTW4 6LSTW4 6LTTW4 6LUTW4 6LWTW4 6LXTW4 6LYTW4 6NATW4 6NBTW4 6NFTW4 6NWTW4 6RPTW4 6WQ

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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