TW9 4 postcode sector in the TW9 district

TW9 4 is a sector of the TW9 district: every postcode that starts TW9 4. It has 142 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 TW9 4 sector, by flood risk

Map of every postcode in the TW9 4 sector, by flood risk Of the 142 postcodes in the TW9 4 sector that ONS places, 1 are at low risk at worst, 60 are at very low risk only and 81 are not on the Environment Agency's at-risk list. Places named: Kew, North Richmond. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A205 TW9 4AQ: not on the flood risk listTW9 4AY: not on the flood risk listTW9 4BJ: not on the flood risk listTW9 4BL: not on the flood risk listTW9 4BN: not on the flood risk listTW9 4BW: not on the flood risk listTW9 4EA: not on the flood risk listTW9 4EB: not on the flood risk listTW9 4ED: not on the flood risk listTW9 4EL: not on the flood risk listTW9 4EP: not on the flood risk listTW9 4ES: not on the flood risk listTW9 4EY: not on the flood risk listTW9 4FB: not on the flood risk listTW9 4FG: not on the flood risk listTW9 4FH: not on the flood risk listTW9 4HA: not on the flood risk listTW9 4HB: not on the flood risk listTW9 4HD: not on the flood risk listTW9 4HE: not on the flood risk listTW9 4HF: not on the flood risk listTW9 4HG: not on the flood risk listTW9 4HH: not on the flood risk listTW9 4HJ: not on the flood risk listTW9 4HP: not on the flood risk listTW9 4HQ: not on the flood risk listTW9 4HR: not on the flood risk listTW9 4HW: not on the flood risk listTW9 4JA: not on the flood risk listTW9 4JB: not on the flood risk listTW9 4JD: not on the flood risk listTW9 4JE: not on the flood risk listTW9 4JF: not on the flood risk listTW9 4JG: not on the flood risk listTW9 4JH: not on the flood risk listTW9 4JJ: not on the flood risk listTW9 4JL: not on the flood risk listTW9 4JN: not on the flood risk listTW9 4JP: not on the flood risk listTW9 4JQ: not on the flood risk listTW9 4JR: not on the flood risk listTW9 4JT: not on the flood risk listTW9 4JW: not on the flood risk listTW9 4LA: not on the flood risk listTW9 4LB: not on the flood risk listTW9 4LD: not on the flood risk listTW9 4LE: not on the flood risk listTW9 4LF: not on the flood risk listTW9 4LG: not on the flood risk listTW9 4LH: not on the flood risk listTW9 4LJ: not on the flood risk listTW9 4LL: not on the flood risk listTW9 4LQ: not on the flood risk listTW9 4LS: not on the flood risk listTW9 4LT: not on the flood risk listTW9 4LU: not on the flood risk listTW9 4LX: not on the flood risk listTW9 4LZ: not on the flood risk listTW9 4NB: not on the flood risk listTW9 4NG: not on the flood risk listTW9 4NH: not on the flood risk listTW9 4NR: not on the flood risk listTW9 4NZ: not on the flood risk listTW9 4PL: not on the flood risk listTW9 4PN: not on the flood risk listTW9 4QE: not on the flood risk listTW9 4QF: not on the flood risk listTW9 4QG: not on the flood risk listTW9 4QH: not on the flood risk listTW9 4QJ: not on the flood risk listTW9 4QL: not on the flood risk listTW9 4QN: not on the flood risk listTW9 4QP: not on the flood risk listTW9 4QQ: not on the flood risk listTW9 4QR: not on the flood risk listTW9 4QS: not on the flood risk listTW9 4QT: not on the flood risk listTW9 4QU: not on the flood risk listTW9 4QW: not on the flood risk listTW9 4RS: not on the flood risk listTW9 4AA: very low flood risk onlyTW9 4AB: very low flood risk onlyTW9 4AD: very low flood risk onlyTW9 4AE: very low flood risk onlyTW9 4AF: very low flood risk onlyTW9 4AH: very low flood risk onlyTW9 4AL: very low flood risk onlyTW9 4AN: very low flood risk onlyTW9 4AP: very low flood risk onlyTW9 4AR: very low flood risk onlyTW9 4AS: very low flood risk onlyTW9 4AT: very low flood risk onlyTW9 4AW: very low flood risk onlyTW9 4BA: very low flood risk onlyTW9 4BB: very low flood risk onlyTW9 4BD: very low flood risk onlyTW9 4BE: very low flood risk onlyTW9 4BF: very low flood risk onlyTW9 4BG: very low flood risk onlyTW9 4BH: very low flood risk onlyTW9 4BP: very low flood risk onlyTW9 4BQ: very low flood risk onlyTW9 4BS: very low flood risk onlyTW9 4BT: very low flood risk onlyTW9 4BU: very low flood risk onlyTW9 4BX: very low flood risk onlyTW9 4BY: very low flood risk onlyTW9 4BZ: very low flood risk onlyTW9 4DA: very low flood risk onlyTW9 4DB: very low flood risk onlyTW9 4DD: very low flood risk onlyTW9 4DE: very low flood risk onlyTW9 4DF: very low flood risk onlyTW9 4DG: very low flood risk onlyTW9 4DH: very low flood risk onlyTW9 4DJ: very low flood risk onlyTW9 4DL: very low flood risk onlyTW9 4DN: very low flood risk onlyTW9 4DP: very low flood risk onlyTW9 4DQ: very low flood risk onlyTW9 4DR: very low flood risk onlyTW9 4DS: very low flood risk onlyTW9 4DT: very low flood risk onlyTW9 4DU: very low flood risk onlyTW9 4DX: very low flood risk onlyTW9 4DZ: very low flood risk onlyTW9 4EE: very low flood risk onlyTW9 4EF: very low flood risk onlyTW9 4EG: very low flood risk onlyTW9 4EJ: very low flood risk onlyTW9 4EN: very low flood risk onlyTW9 4EQ: very low flood risk onlyTW9 4ET: very low flood risk onlyTW9 4EU: very low flood risk onlyTW9 4EW: very low flood risk onlyTW9 4EZ: very low flood risk onlyTW9 4FA: very low flood risk onlyTW9 4FD: very low flood risk onlyTW9 4FE: very low flood risk onlyTW9 4FF: very low flood risk onlyTW9 4LN: low flood risk at worst KewNorth Richmond Map of every postcode in the TW9 4 sector, by flood risk Of the 142 postcodes in the TW9 4 sector that ONS places, 1 are at low risk at worst, 60 are at very low risk only and 81 are not on the Environment Agency's at-risk list. Places named: Kew, North Richmond. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. KewNorth Richmond
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 60
  • Not on the at-risk list: 81

Of the 142 postcodes in the TW9 4 sector that ONS places, 1 are at low risk at worst, 60 are at very low risk only and 81 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 TW9 4?

Homes in TW9 4 sold for a typical £686,500 in the 12 months to August 2026, across 81 sales, down 5.3% on the 12 months before, HM Land Registry's figures show.

£686,500 typical price, the 12 months to August 2026
£725,000 12 months to August 2025
▼ down 5.3% on the 12 months before
  • Detached £1,775,000 5 sales
  • Semi-detached £1,425,000 14 sales
  • Terraced £1,050,000 19 sales
  • Flat or maisonette £510,000 43 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 TW9 4. 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 TW9 4

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.

TW9 4AATW9 4ABTW9 4ADTW9 4AETW9 4AFTW9 4AHTW9 4ALTW9 4ANTW9 4APTW9 4AQTW9 4ARTW9 4ASTW9 4ATTW9 4AWTW9 4AYTW9 4BATW9 4BBTW9 4BDTW9 4BETW9 4BFTW9 4BGTW9 4BHTW9 4BJTW9 4BLTW9 4BNTW9 4BPTW9 4BQTW9 4BSTW9 4BTTW9 4BUTW9 4BWTW9 4BXTW9 4BYTW9 4BZTW9 4DATW9 4DBTW9 4DDTW9 4DETW9 4DFTW9 4DGTW9 4DHTW9 4DJTW9 4DLTW9 4DNTW9 4DPTW9 4DQTW9 4DRTW9 4DSTW9 4DTTW9 4DUTW9 4DXTW9 4DZTW9 4EATW9 4EBTW9 4EDTW9 4EETW9 4EFTW9 4EGTW9 4EJTW9 4ELTW9 4ENTW9 4EPTW9 4EQTW9 4ESTW9 4ETTW9 4EUTW9 4EWTW9 4EYTW9 4EZTW9 4FATW9 4FBTW9 4FDTW9 4FETW9 4FFTW9 4FGTW9 4FHTW9 4HATW9 4HBTW9 4HDTW9 4HETW9 4HFTW9 4HGTW9 4HHTW9 4HJTW9 4HPTW9 4HQTW9 4HRTW9 4HWTW9 4JATW9 4JBTW9 4JDTW9 4JETW9 4JFTW9 4JGTW9 4JHTW9 4JJTW9 4JLTW9 4JNTW9 4JPTW9 4JQTW9 4JRTW9 4JTTW9 4JWTW9 4LATW9 4LBTW9 4LDTW9 4LETW9 4LFTW9 4LGTW9 4LHTW9 4LJTW9 4LLTW9 4LNTW9 4LQTW9 4LSTW9 4LTTW9 4LUTW9 4LXTW9 4LZTW9 4NBTW9 4NGTW9 4NHTW9 4NRTW9 4NZTW9 4PLTW9 4PNTW9 4QETW9 4QFTW9 4QGTW9 4QHTW9 4QJTW9 4QLTW9 4QNTW9 4QPTW9 4QQTW9 4QRTW9 4QSTW9 4QTTW9 4QUTW9 4QWTW9 4RSTW9 4XA

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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