TW1 1 postcode sector in the TW1 district

TW1 1 is a sector of the TW1 district: every postcode that starts TW1 1. It has 177 postcodes in use, 5 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 1 sector, and which are new since 2020

Map of every postcode in the TW1 1 sector, by new since 2020 Of the 177 postcodes in the TW1 1 sector that ONS places, 5 are new since 2020 and 172 were in use before 2020. Places named: St Margarets & North Twickenham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A310 TW1 1AA: before 2020TW1 1AF: before 2020TW1 1AG: before 2020TW1 1AH: before 2020TW1 1AJ: before 2020TW1 1AL: before 2020TW1 1AN: before 2020TW1 1AP: before 2020TW1 1AR: before 2020TW1 1AS: before 2020TW1 1AU: before 2020TW1 1AW: before 2020TW1 1AX: before 2020TW1 1AY: before 2020TW1 1AZ: before 2020TW1 1BA: before 2020TW1 1BB: before 2020TW1 1BD: before 2020TW1 1BE: before 2020TW1 1BH: before 2020TW1 1BJ: before 2020TW1 1BL: before 2020TW1 1BN: before 2020TW1 1BP: before 2020TW1 1BS: before 2020TW1 1BT: before 2020TW1 1BU: before 2020TW1 1BW: before 2020TW1 1BX: before 2020TW1 1BY: before 2020TW1 1BZ: before 2020TW1 1DA: before 2020TW1 1DB: before 2020TW1 1DD: before 2020TW1 1DE: before 2020TW1 1DF: before 2020TW1 1DG: before 2020TW1 1DQ: before 2020TW1 1DS: before 2020TW1 1DX: before 2020TW1 1EA: before 2020TW1 1EB: before 2020TW1 1EE: before 2020TW1 1EF: before 2020TW1 1EG: before 2020TW1 1EJ: before 2020TW1 1EL: before 2020TW1 1EN: before 2020TW1 1EQ: before 2020TW1 1ER: before 2020TW1 1ES: before 2020TW1 1ET: before 2020TW1 1EU: before 2020TW1 1EW: before 2020TW1 1EX: before 2020TW1 1EY: before 2020TW1 1EZ: before 2020TW1 1FD: before 2020TW1 1HA: before 2020TW1 1HB: before 2020TW1 1HD: before 2020TW1 1HG: before 2020TW1 1HP: before 2020TW1 1HR: before 2020TW1 1HS: before 2020TW1 1HT: before 2020TW1 1HU: before 2020TW1 1HW: before 2020TW1 1HX: before 2020TW1 1JA: before 2020TW1 1JB: before 2020TW1 1JD: before 2020TW1 1JE: before 2020TW1 1JF: before 2020TW1 1JG: before 2020TW1 1JN: before 2020TW1 1JP: before 2020TW1 1JQ: before 2020TW1 1JR: before 2020TW1 1JS: before 2020TW1 1JT: before 2020TW1 1JU: before 2020TW1 1JW: before 2020TW1 1JX: before 2020TW1 1JY: before 2020TW1 1LA: before 2020TW1 1LB: before 2020TW1 1LD: before 2020TW1 1LE: before 2020TW1 1LF: before 2020TW1 1LG: before 2020TW1 1LH: before 2020TW1 1LJ: before 2020TW1 1LQ: before 2020TW1 1LR: before 2020TW1 1LU: before 2020TW1 1LX: before 2020TW1 1LY: before 2020TW1 1LZ: before 2020TW1 1NA: before 2020TW1 1NB: before 2020TW1 1ND: before 2020TW1 1NE: before 2020TW1 1NF: before 2020TW1 1NG: before 2020TW1 1NH: before 2020TW1 1NJ: before 2020TW1 1NL: before 2020TW1 1NN: before 2020TW1 1NP: before 2020TW1 1NQ: before 2020TW1 1NW: before 2020TW1 1NZ: before 2020TW1 1PA: before 2020TW1 1PB: before 2020TW1 1PD: before 2020TW1 1PE: before 2020TW1 1PF: before 2020TW1 1PG: before 2020TW1 1PH: before 2020TW1 1PJ: before 2020TW1 1PL: before 2020TW1 1PN: before 2020TW1 1PP: before 2020TW1 1PQ: before 2020TW1 1PR: before 2020TW1 1PS: before 2020TW1 1PU: before 2020TW1 1PW: before 2020TW1 1PX: before 2020TW1 1PY: before 2020TW1 1PZ: before 2020TW1 1QB: before 2020TW1 1QD: before 2020TW1 1QE: before 2020TW1 1QF: before 2020TW1 1QG: before 2020TW1 1QH: before 2020TW1 1QJ: before 2020TW1 1QL: before 2020TW1 1QN: before 2020TW1 1QP: before 2020TW1 1QQ: before 2020TW1 1QR: before 2020TW1 1QS: before 2020TW1 1QT: before 2020TW1 1QU: before 2020TW1 1QW: before 2020TW1 1QX: before 2020TW1 1QY: before 2020TW1 1QZ: before 2020TW1 1RA: before 2020TW1 1RB: before 2020TW1 1RD: before 2020TW1 1RE: before 2020TW1 1RF: before 2020TW1 1RG: before 2020TW1 1RH: before 2020TW1 1RJ: before 2020TW1 1RL: before 2020TW1 1RP: before 2020TW1 1RQ: before 2020TW1 1RR: before 2020TW1 1RS: before 2020TW1 1RT: before 2020TW1 1RU: before 2020TW1 1RW: before 2020TW1 1RX: before 2020TW1 1RY: before 2020TW1 1SD: before 2020TW1 1FA: new since 2020TW1 1FB: new since 2020TW1 1FE: new since 2020TW1 1FF: new since 2020TW1 1WG: new since 2020 St Margarets & North Twickenham Map of every postcode in the TW1 1 sector, by new since 2020 Of the 177 postcodes in the TW1 1 sector that ONS places, 5 are new since 2020 and 172 were in use before 2020. Places named: St Margarets & North Twickenham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. St Margarets & North Twickenham
  • New since 2020: 5
  • In use before 2020: 172

Of the 177 postcodes in the TW1 1 sector that ONS places, 5 are new since 2020 and 172 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. 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; 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 5 newest postcodes

TW1 1WGApril 2024TW1 1FASeptember 2021TW1 1FBSeptember 2021TW1 1FFJuly 2020TW1 1FEApril 2020

What do homes sell for in TW1 1?

Homes in TW1 1 sold for a typical £678,500 in the 12 months to August 2026, across 106 sales, down 7.7% on the 12 months before, HM Land Registry's figures show.

£678,500 typical price, the 12 months to August 2026
£735,000 12 months to August 2025
▼ down 7.7% on the 12 months before
  • Detached 3 sales, too few to price
  • Semi-detached £1,100,000 19 sales
  • Terraced £1,107,500 36 sales
  • Flat or maisonette £530,000 48 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 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 TW1 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.

TW1 1AATW1 1AFTW1 1AGTW1 1AHTW1 1AJTW1 1ALTW1 1ANTW1 1APTW1 1AQTW1 1ARTW1 1ASTW1 1AUTW1 1AWTW1 1AXTW1 1AYTW1 1AZTW1 1BATW1 1BBTW1 1BDTW1 1BETW1 1BHTW1 1BJTW1 1BLTW1 1BNTW1 1BPTW1 1BSTW1 1BTTW1 1BUTW1 1BWTW1 1BXTW1 1BYTW1 1BZTW1 1DATW1 1DBTW1 1DDTW1 1DETW1 1DFTW1 1DGTW1 1DQTW1 1DSTW1 1DXTW1 1EATW1 1EBTW1 1EETW1 1EFTW1 1EGTW1 1EJTW1 1ELTW1 1ENTW1 1EQTW1 1ERTW1 1ESTW1 1ETTW1 1EUTW1 1EWTW1 1EXTW1 1EYTW1 1EZTW1 1FATW1 1FBTW1 1FDTW1 1FETW1 1FFTW1 1HATW1 1HBTW1 1HDTW1 1HGTW1 1HPTW1 1HRTW1 1HSTW1 1HTTW1 1HUTW1 1HWTW1 1HXTW1 1JATW1 1JBTW1 1JDTW1 1JETW1 1JFTW1 1JGTW1 1JNTW1 1JPTW1 1JQTW1 1JRTW1 1JSTW1 1JTTW1 1JUTW1 1JWTW1 1JXTW1 1JYTW1 1LATW1 1LBTW1 1LDTW1 1LETW1 1LFTW1 1LGTW1 1LHTW1 1LJTW1 1LQTW1 1LRTW1 1LUTW1 1LXTW1 1LYTW1 1LZTW1 1NATW1 1NBTW1 1NDTW1 1NETW1 1NFTW1 1NGTW1 1NHTW1 1NJTW1 1NLTW1 1NNTW1 1NPTW1 1NQTW1 1NWTW1 1NZTW1 1PATW1 1PBTW1 1PDTW1 1PETW1 1PFTW1 1PGTW1 1PHTW1 1PJTW1 1PLTW1 1PNTW1 1PPTW1 1PQTW1 1PRTW1 1PSTW1 1PUTW1 1PWTW1 1PXTW1 1PYTW1 1PZTW1 1QBTW1 1QDTW1 1QETW1 1QFTW1 1QGTW1 1QHTW1 1QJTW1 1QLTW1 1QNTW1 1QPTW1 1QQTW1 1QRTW1 1QSTW1 1QTTW1 1QUTW1 1QWTW1 1QXTW1 1QYTW1 1QZTW1 1RATW1 1RBTW1 1RDTW1 1RETW1 1RFTW1 1RGTW1 1RHTW1 1RJTW1 1RLTW1 1RPTW1 1RQTW1 1RRTW1 1RSTW1 1RTTW1 1RUTW1 1RWTW1 1RXTW1 1RYTW1 1SDTW1 1WGTW1 1XU

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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