TW1 4 postcode sector in the TW1 district

TW1 4 is a sector of the TW1 district: every postcode that starts TW1 4. It has 168 postcodes in use, 6 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 TW1 4 sector, and which are new since 2020

Map of every postcode in the TW1 4 sector, by new since 2020 Of the 168 postcodes in the TW1 4 sector that ONS places, 2 are new since 2020 and 166 were in use before 2020. Places named: South Twickenham, Twickenham Riverside. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A309A305 TW1 4AD: before 2020TW1 4AE: before 2020TW1 4AF: before 2020TW1 4AG: before 2020TW1 4AJ: before 2020TW1 4AQ: before 2020TW1 4AS: before 2020TW1 4AT: before 2020TW1 4AW: before 2020TW1 4AX: before 2020TW1 4AZ: before 2020TW1 4BB: before 2020TW1 4BF: before 2020TW1 4BH: before 2020TW1 4BN: before 2020TW1 4BP: before 2020TW1 4BQ: before 2020TW1 4BW: before 2020TW1 4BX: before 2020TW1 4BY: before 2020TW1 4BZ: before 2020TW1 4DB: before 2020TW1 4DG: before 2020TW1 4DH: before 2020TW1 4DN: before 2020TW1 4DP: before 2020TW1 4DQ: before 2020TW1 4EA: before 2020TW1 4EG: before 2020TW1 4EN: before 2020TW1 4ES: before 2020TW1 4ET: before 2020TW1 4EU: before 2020TW1 4EX: before 2020TW1 4EY: before 2020TW1 4EZ: before 2020TW1 4HB: before 2020TW1 4HD: before 2020TW1 4HE: before 2020TW1 4HF: before 2020TW1 4HG: before 2020TW1 4HH: before 2020TW1 4HJ: before 2020TW1 4HQ: before 2020TW1 4HR: before 2020TW1 4HS: before 2020TW1 4HT: before 2020TW1 4HU: before 2020TW1 4HW: before 2020TW1 4HX: before 2020TW1 4HY: before 2020TW1 4HZ: before 2020TW1 4JA: before 2020TW1 4JB: before 2020TW1 4JF: before 2020TW1 4JG: before 2020TW1 4JH: before 2020TW1 4JJ: before 2020TW1 4JP: before 2020TW1 4JQ: before 2020TW1 4JR: before 2020TW1 4JT: before 2020TW1 4JU: before 2020TW1 4JW: before 2020TW1 4JX: before 2020TW1 4JY: before 2020TW1 4JZ: before 2020TW1 4LA: before 2020TW1 4LE: before 2020TW1 4LG: before 2020TW1 4LJ: before 2020TW1 4LL: before 2020TW1 4LR: before 2020TW1 4LS: before 2020TW1 4LT: before 2020TW1 4LU: before 2020TW1 4LX: before 2020TW1 4LY: before 2020TW1 4LZ: before 2020TW1 4NA: before 2020TW1 4NB: before 2020TW1 4ND: before 2020TW1 4NE: before 2020TW1 4NF: before 2020TW1 4NG: before 2020TW1 4NH: before 2020TW1 4NJ: before 2020TW1 4NL: before 2020TW1 4NQ: before 2020TW1 4PA: before 2020TW1 4PB: before 2020TW1 4PD: before 2020TW1 4PE: before 2020TW1 4PG: before 2020TW1 4PH: before 2020TW1 4PJ: before 2020TW1 4PL: before 2020TW1 4PP: before 2020TW1 4PQ: before 2020TW1 4PR: before 2020TW1 4PS: before 2020TW1 4PT: before 2020TW1 4PU: before 2020TW1 4PW: before 2020TW1 4PX: before 2020TW1 4PY: before 2020TW1 4PZ: before 2020TW1 4QA: before 2020TW1 4QB: before 2020TW1 4QD: before 2020TW1 4QG: before 2020TW1 4QH: before 2020TW1 4QJ: before 2020TW1 4QL: before 2020TW1 4QN: before 2020TW1 4QP: before 2020TW1 4QR: before 2020TW1 4QS: before 2020TW1 4QT: before 2020TW1 4QU: before 2020TW1 4QW: before 2020TW1 4QX: before 2020TW1 4QY: before 2020TW1 4QZ: before 2020TW1 4RA: before 2020TW1 4RB: before 2020TW1 4RE: before 2020TW1 4RF: before 2020TW1 4RG: before 2020TW1 4RL: before 2020TW1 4RP: before 2020TW1 4RQ: before 2020TW1 4RT: before 2020TW1 4RU: before 2020TW1 4RX: before 2020TW1 4RY: before 2020TW1 4SB: before 2020TW1 4SD: before 2020TW1 4SE: before 2020TW1 4SF: before 2020TW1 4SG: before 2020TW1 4SH: before 2020TW1 4SJ: before 2020TW1 4SL: before 2020TW1 4SQ: before 2020TW1 4SR: before 2020TW1 4ST: before 2020TW1 4SU: before 2020TW1 4SW: before 2020TW1 4SX: before 2020TW1 4SY: before 2020TW1 4SZ: before 2020TW1 4TA: before 2020TW1 4TB: before 2020TW1 4TD: before 2020TW1 4TE: before 2020TW1 4TF: before 2020TW1 4TG: before 2020TW1 4TH: before 2020TW1 4TJ: before 2020TW1 4TL: before 2020TW1 4TN: before 2020TW1 4TP: before 2020TW1 4TQ: before 2020TW1 4TR: before 2020TW1 4TT: before 2020TW1 4DR: new since 2020TW1 4DS: new since 2020 South TwickenhamTwickenham Riverside Map of every postcode in the TW1 4 sector, by new since 2020 Of the 168 postcodes in the TW1 4 sector that ONS places, 2 are new since 2020 and 166 were in use before 2020. Places named: South Twickenham, Twickenham Riverside. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. South TwickenhamTwickenham Riverside
  • New since 2020: 2
  • In use before 2020: 166

Of the 168 postcodes in the TW1 4 sector that ONS places, 2 are new since 2020 and 166 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 2 newest postcodes

TW1 4DSOctober 2020TW1 4DRMay 2020

What do homes sell for in TW1 4?

Homes in TW1 4 sold for a typical £825,000 in the 12 months to August 2026, across 82 sales, up 17.7% on the 12 months before, HM Land Registry's figures show.

£825,000 typical price, the 12 months to August 2026
£701,195 12 months to August 2025
▲ up 17.7% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £1,270,750 16 sales
  • Terraced £925,000 39 sales
  • Flat or maisonette £415,000 26 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 TW1 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 TW1 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.

TW1 4ADTW1 4AETW1 4AFTW1 4AGTW1 4AJTW1 4AQTW1 4ASTW1 4ATTW1 4AWTW1 4AXTW1 4AZTW1 4BBTW1 4BFTW1 4BHTW1 4BNTW1 4BPTW1 4BQTW1 4BWTW1 4BXTW1 4BYTW1 4BZTW1 4DBTW1 4DGTW1 4DHTW1 4DNTW1 4DPTW1 4DQTW1 4DRTW1 4DSTW1 4EATW1 4EGTW1 4ENTW1 4ESTW1 4ETTW1 4EUTW1 4EXTW1 4EYTW1 4EZTW1 4HBTW1 4HDTW1 4HETW1 4HFTW1 4HGTW1 4HHTW1 4HJTW1 4HQTW1 4HRTW1 4HSTW1 4HTTW1 4HUTW1 4HWTW1 4HXTW1 4HYTW1 4HZTW1 4JATW1 4JBTW1 4JFTW1 4JGTW1 4JHTW1 4JJTW1 4JPTW1 4JQTW1 4JRTW1 4JTTW1 4JUTW1 4JWTW1 4JXTW1 4JYTW1 4JZTW1 4LATW1 4LETW1 4LGTW1 4LJTW1 4LLTW1 4LRTW1 4LSTW1 4LTTW1 4LUTW1 4LXTW1 4LYTW1 4LZTW1 4NATW1 4NBTW1 4NDTW1 4NETW1 4NFTW1 4NGTW1 4NHTW1 4NJTW1 4NLTW1 4NQTW1 4PATW1 4PBTW1 4PDTW1 4PETW1 4PGTW1 4PHTW1 4PJTW1 4PLTW1 4PPTW1 4PQTW1 4PRTW1 4PSTW1 4PTTW1 4PUTW1 4PWTW1 4PXTW1 4PYTW1 4PZTW1 4QATW1 4QBTW1 4QDTW1 4QGTW1 4QHTW1 4QJTW1 4QLTW1 4QNTW1 4QPTW1 4QRTW1 4QSTW1 4QTTW1 4QUTW1 4QWTW1 4QXTW1 4QYTW1 4QZTW1 4RATW1 4RBTW1 4RETW1 4RFTW1 4RGTW1 4RLTW1 4RPTW1 4RQTW1 4RTTW1 4RUTW1 4RXTW1 4RYTW1 4SBTW1 4SDTW1 4SETW1 4SFTW1 4SGTW1 4SHTW1 4SJTW1 4SLTW1 4SQTW1 4SRTW1 4STTW1 4SUTW1 4SWTW1 4SXTW1 4SYTW1 4SZTW1 4TATW1 4TBTW1 4TDTW1 4TETW1 4TFTW1 4TGTW1 4THTW1 4TJTW1 4TLTW1 4TNTW1 4TPTW1 4TQTW1 4TRTW1 4TT

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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