TW4 5 postcode sector in the TW4 district

TW4 5 is a sector of the TW4 district: every postcode that starts TW4 5. It has 165 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 5 sector, by flood risk

Map of every postcode in the TW4 5 sector, by flood risk Of the 165 postcodes in the TW4 5 sector that ONS places, 165 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: Hounslow Heath, Heathfield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A315 TW4 5AA: not on the flood risk listTW4 5AB: not on the flood risk listTW4 5AD: not on the flood risk listTW4 5AE: not on the flood risk listTW4 5AF: not on the flood risk listTW4 5AH: not on the flood risk listTW4 5AJ: not on the flood risk listTW4 5AL: not on the flood risk listTW4 5AN: not on the flood risk listTW4 5AP: not on the flood risk listTW4 5AQ: not on the flood risk listTW4 5AR: not on the flood risk listTW4 5AS: not on the flood risk listTW4 5AT: not on the flood risk listTW4 5AU: not on the flood risk listTW4 5AW: not on the flood risk listTW4 5AY: not on the flood risk listTW4 5AZ: not on the flood risk listTW4 5BA: not on the flood risk listTW4 5BB: not on the flood risk listTW4 5BD: not on the flood risk listTW4 5BF: not on the flood risk listTW4 5BG: not on the flood risk listTW4 5BH: not on the flood risk listTW4 5BJ: not on the flood risk listTW4 5BL: not on the flood risk listTW4 5BN: not on the flood risk listTW4 5BP: not on the flood risk listTW4 5BQ: not on the flood risk listTW4 5BS: not on the flood risk listTW4 5BT: not on the flood risk listTW4 5BU: not on the flood risk listTW4 5BW: not on the flood risk listTW4 5BX: not on the flood risk listTW4 5DB: not on the flood risk listTW4 5DD: not on the flood risk listTW4 5DE: not on the flood risk listTW4 5DF: not on the flood risk listTW4 5DG: not on the flood risk listTW4 5DJ: not on the flood risk listTW4 5DL: not on the flood risk listTW4 5DN: not on the flood risk listTW4 5DQ: not on the flood risk listTW4 5DR: not on the flood risk listTW4 5DZ: not on the flood risk listTW4 5EA: not on the flood risk listTW4 5EB: not on the flood risk listTW4 5ED: not on the flood risk listTW4 5EE: not on the flood risk listTW4 5EF: not on the flood risk listTW4 5EG: not on the flood risk listTW4 5EH: not on the flood risk listTW4 5EJ: not on the flood risk listTW4 5EL: not on the flood risk listTW4 5EN: not on the flood risk listTW4 5EP: not on the flood risk listTW4 5EQ: not on the flood risk listTW4 5ER: not on the flood risk listTW4 5ET: not on the flood risk listTW4 5EU: not on the flood risk listTW4 5EW: not on the flood risk listTW4 5EX: not on the flood risk listTW4 5EY: not on the flood risk listTW4 5EZ: not on the flood risk listTW4 5HA: not on the flood risk listTW4 5HF: not on the flood risk listTW4 5HG: not on the flood risk listTW4 5HH: not on the flood risk listTW4 5HJ: not on the flood risk listTW4 5HL: not on the flood risk listTW4 5HN: not on the flood risk listTW4 5HP: not on the flood risk listTW4 5HQ: not on the flood risk listTW4 5HS: not on the flood risk listTW4 5HT: not on the flood risk listTW4 5HU: not on the flood risk listTW4 5HW: not on the flood risk listTW4 5HX: not on the flood risk listTW4 5HY: not on the flood risk listTW4 5HZ: not on the flood risk listTW4 5JB: not on the flood risk listTW4 5JD: not on the flood risk listTW4 5JE: not on the flood risk listTW4 5JF: not on the flood risk listTW4 5JG: not on the flood risk listTW4 5JH: not on the flood risk listTW4 5JJ: not on the flood risk listTW4 5JL: not on the flood risk listTW4 5JP: not on the flood risk listTW4 5JQ: not on the flood risk listTW4 5JR: not on the flood risk listTW4 5JT: not on the flood risk listTW4 5JU: not on the flood risk listTW4 5JW: not on the flood risk listTW4 5JX: not on the flood risk listTW4 5JY: not on the flood risk listTW4 5JZ: not on the flood risk listTW4 5LA: not on the flood risk listTW4 5LB: not on the flood risk listTW4 5LD: not on the flood risk listTW4 5LE: not on the flood risk listTW4 5LF: not on the flood risk listTW4 5LG: not on the flood risk listTW4 5LH: not on the flood risk listTW4 5LJ: not on the flood risk listTW4 5LL: not on the flood risk listTW4 5LN: not on the flood risk listTW4 5LP: not on the flood risk listTW4 5LQ: not on the flood risk listTW4 5LR: not on the flood risk listTW4 5LS: not on the flood risk listTW4 5LU: not on the flood risk listTW4 5LW: not on the flood risk listTW4 5LX: not on the flood risk listTW4 5LY: not on the flood risk listTW4 5LZ: not on the flood risk listTW4 5NA: not on the flood risk listTW4 5NB: not on the flood risk listTW4 5NG: not on the flood risk listTW4 5NJ: not on the flood risk listTW4 5NL: not on the flood risk listTW4 5NN: not on the flood risk listTW4 5NP: not on the flood risk listTW4 5NQ: not on the flood risk listTW4 5NR: not on the flood risk listTW4 5NS: not on the flood risk listTW4 5NT: not on the flood risk listTW4 5NU: not on the flood risk listTW4 5NW: not on the flood risk listTW4 5NY: not on the flood risk listTW4 5PD: not on the flood risk listTW4 5PF: not on the flood risk listTW4 5PG: not on the flood risk listTW4 5PH: not on the flood risk listTW4 5PJ: not on the flood risk listTW4 5PL: not on the flood risk listTW4 5PN: not on the flood risk listTW4 5PP: not on the flood risk listTW4 5PQ: not on the flood risk listTW4 5PR: not on the flood risk listTW4 5PS: not on the flood risk listTW4 5PT: not on the flood risk listTW4 5PU: not on the flood risk listTW4 5PW: not on the flood risk listTW4 5PX: not on the flood risk listTW4 5PY: not on the flood risk listTW4 5QE: not on the flood risk listTW4 5QF: not on the flood risk listTW4 5QH: not on the flood risk listTW4 5QJ: not on the flood risk listTW4 5QL: not on the flood risk listTW4 5QN: not on the flood risk listTW4 5QP: not on the flood risk listTW4 5QW: not on the flood risk listTW4 5SY: not on the flood risk listTW4 5WW: not on the flood risk list Hounslow HeathHeathfield Map of every postcode in the TW4 5 sector, by flood risk Of the 165 postcodes in the TW4 5 sector that ONS places, 165 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: Hounslow Heath, Heathfield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Hounslow HeathHeathfield
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 165

Of the 165 postcodes in the TW4 5 sector that ONS places, 165 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

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

TW4 5DSTW4 5XA

What do homes sell for in TW4 5?

Homes in TW4 5 sold for a typical £448,000 in the 12 months to August 2026, across 48 sales, up 21.1% on the 12 months before, HM Land Registry's figures show.

£448,000 typical price, the 12 months to August 2026
£370,000 12 months to August 2025
▲ up 21.1% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £590,000 18 sales
  • Terraced £430,000 14 sales
  • Flat or maisonette £305,000 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 TW4 5. 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 5

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 5AATW4 5ABTW4 5ADTW4 5AETW4 5AFTW4 5AHTW4 5AJTW4 5ALTW4 5ANTW4 5APTW4 5AQTW4 5ARTW4 5ASTW4 5ATTW4 5AUTW4 5AWTW4 5AXTW4 5AYTW4 5AZTW4 5BATW4 5BBTW4 5BDTW4 5BFTW4 5BGTW4 5BHTW4 5BJTW4 5BLTW4 5BNTW4 5BPTW4 5BQTW4 5BSTW4 5BTTW4 5BUTW4 5BWTW4 5BXTW4 5DBTW4 5DDTW4 5DETW4 5DFTW4 5DGTW4 5DJTW4 5DLTW4 5DNTW4 5DQTW4 5DRTW4 5DSTW4 5DZTW4 5EATW4 5EBTW4 5EDTW4 5EETW4 5EFTW4 5EGTW4 5EHTW4 5EJTW4 5ELTW4 5ENTW4 5EPTW4 5EQTW4 5ERTW4 5ESTW4 5ETTW4 5EUTW4 5EWTW4 5EXTW4 5EYTW4 5EZTW4 5HATW4 5HETW4 5HFTW4 5HGTW4 5HHTW4 5HJTW4 5HLTW4 5HNTW4 5HPTW4 5HQTW4 5HSTW4 5HTTW4 5HUTW4 5HWTW4 5HXTW4 5HYTW4 5HZTW4 5JBTW4 5JDTW4 5JETW4 5JFTW4 5JGTW4 5JHTW4 5JJTW4 5JLTW4 5JPTW4 5JQTW4 5JRTW4 5JTTW4 5JUTW4 5JWTW4 5JXTW4 5JYTW4 5JZTW4 5LATW4 5LBTW4 5LDTW4 5LETW4 5LFTW4 5LGTW4 5LHTW4 5LJTW4 5LLTW4 5LNTW4 5LPTW4 5LQTW4 5LRTW4 5LSTW4 5LUTW4 5LWTW4 5LXTW4 5LYTW4 5LZTW4 5NATW4 5NBTW4 5NGTW4 5NJTW4 5NLTW4 5NNTW4 5NPTW4 5NQTW4 5NRTW4 5NSTW4 5NTTW4 5NUTW4 5NWTW4 5NYTW4 5PDTW4 5PFTW4 5PGTW4 5PHTW4 5PJTW4 5PLTW4 5PNTW4 5PPTW4 5PQTW4 5PRTW4 5PSTW4 5PTTW4 5PUTW4 5PWTW4 5PXTW4 5PYTW4 5PZTW4 5QETW4 5QFTW4 5QGTW4 5QHTW4 5QJTW4 5QLTW4 5QNTW4 5QPTW4 5QQTW4 5QWTW4 5SYTW4 5WWTW4 5XATW4 5XX

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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