TW18 1 postcode sector in the TW18 district

TW18 1 is a sector of the TW18 district: every postcode that starts TW18 1. It has 202 postcodes in use, 7 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 TW18 1 sector, and which are new since 2020

Map of every postcode in the TW18 1 sector, by new since 2020 Of the 202 postcodes in the TW18 1 sector that ONS places, 2 are new since 2020 and 200 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Staines-upon-Thames, Laleham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A308M3A320 TW18 1AA: before 2020TW18 1AB: before 2020TW18 1AD: before 2020TW18 1AE: before 2020TW18 1AG: before 2020TW18 1AH: before 2020TW18 1AJ: before 2020TW18 1AL: before 2020TW18 1AN: before 2020TW18 1AP: before 2020TW18 1AQ: before 2020TW18 1AR: before 2020TW18 1AS: before 2020TW18 1AT: before 2020TW18 1AU: before 2020TW18 1AW: before 2020TW18 1AX: before 2020TW18 1AY: before 2020TW18 1AZ: before 2020TW18 1BA: before 2020TW18 1BB: before 2020TW18 1BD: before 2020TW18 1BF: before 2020TW18 1BG: before 2020TW18 1BJ: before 2020TW18 1BL: before 2020TW18 1BP: before 2020TW18 1BT: before 2020TW18 1BU: before 2020TW18 1BX: before 2020TW18 1BY: before 2020TW18 1BZ: before 2020TW18 1DA: before 2020TW18 1DB: before 2020TW18 1DD: before 2020TW18 1DE: before 2020TW18 1DF: before 2020TW18 1DG: before 2020TW18 1DH: before 2020TW18 1DJ: before 2020TW18 1DL: before 2020TW18 1DN: before 2020TW18 1DP: before 2020TW18 1DQ: before 2020TW18 1DR: before 2020TW18 1DS: before 2020TW18 1DW: before 2020TW18 1DZ: before 2020TW18 1EA: before 2020TW18 1EB: before 2020TW18 1ED: before 2020TW18 1EE: before 2020TW18 1EF: before 2020TW18 1EG: before 2020TW18 1EH: before 2020TW18 1EJ: before 2020TW18 1EL: before 2020TW18 1EN: before 2020TW18 1EP: before 2020TW18 1EQ: before 2020TW18 1ER: before 2020TW18 1ES: before 2020TW18 1ET: before 2020TW18 1EW: before 2020TW18 1GA: before 2020TW18 1GN: before 2020TW18 1HA: before 2020TW18 1HB: before 2020TW18 1HD: before 2020TW18 1HE: before 2020TW18 1HF: before 2020TW18 1HG: before 2020TW18 1HH: before 2020TW18 1HJ: before 2020TW18 1HL: before 2020TW18 1HN: before 2020TW18 1HP: before 2020TW18 1HQ: before 2020TW18 1HR: before 2020TW18 1HS: before 2020TW18 1HW: before 2020TW18 1HX: before 2020TW18 1HY: before 2020TW18 1HZ: before 2020TW18 1JA: before 2020TW18 1JB: before 2020TW18 1JD: before 2020TW18 1JE: before 2020TW18 1JF: before 2020TW18 1JG: before 2020TW18 1JH: before 2020TW18 1JJ: before 2020TW18 1JL: before 2020TW18 1JN: before 2020TW18 1JP: before 2020TW18 1JQ: before 2020TW18 1JR: before 2020TW18 1JS: before 2020TW18 1JT: before 2020TW18 1JU: before 2020TW18 1JW: before 2020TW18 1JX: before 2020TW18 1JY: before 2020TW18 1JZ: before 2020TW18 1LH: before 2020TW18 1LJ: before 2020TW18 1LN: before 2020TW18 1LP: before 2020TW18 1LQ: before 2020TW18 1LR: before 2020TW18 1LS: before 2020TW18 1LT: before 2020TW18 1LU: before 2020TW18 1LW: before 2020TW18 1LX: before 2020TW18 1LY: before 2020TW18 1LZ: before 2020TW18 1NA: before 2020TW18 1NB: before 2020TW18 1ND: before 2020TW18 1NE: before 2020TW18 1NF: before 2020TW18 1NG: before 2020TW18 1NH: before 2020TW18 1NQ: before 2020TW18 1PA: before 2020TW18 1PB: before 2020TW18 1PD: before 2020TW18 1PE: before 2020TW18 1PF: before 2020TW18 1PG: before 2020TW18 1PH: before 2020TW18 1PJ: before 2020TW18 1PL: before 2020TW18 1PN: before 2020TW18 1PP: before 2020TW18 1PQ: before 2020TW18 1PR: before 2020TW18 1PS: before 2020TW18 1PT: before 2020TW18 1PW: before 2020TW18 1PX: before 2020TW18 1PY: before 2020TW18 1QF: before 2020TW18 1QG: before 2020TW18 1QJ: before 2020TW18 1QL: before 2020TW18 1QN: before 2020TW18 1QP: before 2020TW18 1QQ: before 2020TW18 1QR: before 2020TW18 1QS: before 2020TW18 1QT: before 2020TW18 1QU: before 2020TW18 1QW: before 2020TW18 1QX: before 2020TW18 1QY: before 2020TW18 1QZ: before 2020TW18 1RB: before 2020TW18 1RP: before 2020TW18 1RR: before 2020TW18 1RS: before 2020TW18 1RT: before 2020TW18 1RU: before 2020TW18 1RW: before 2020TW18 1RX: before 2020TW18 1RY: before 2020TW18 1RZ: before 2020TW18 1SB: before 2020TW18 1SD: before 2020TW18 1SE: before 2020TW18 1SH: before 2020TW18 1SJ: before 2020TW18 1SL: before 2020TW18 1SN: before 2020TW18 1SP: before 2020TW18 1SQ: before 2020TW18 1SR: before 2020TW18 1SS: before 2020TW18 1ST: before 2020TW18 1SW: before 2020TW18 1SX: before 2020TW18 1SY: before 2020TW18 1SZ: before 2020TW18 1TA: before 2020TW18 1TB: before 2020TW18 1TD: before 2020TW18 1UA: before 2020TW18 1UB: before 2020TW18 1UD: before 2020TW18 1UE: before 2020TW18 1UF: before 2020TW18 1UG: before 2020TW18 1UQ: before 2020TW18 1XD: before 2020TW18 1XH: before 2020TW18 1XS: before 2020TW18 1YA: before 2020TW18 1FB: new since 2020TW18 1XB: new since 2020 Staines-upon-ThamesLaleham Map of every postcode in the TW18 1 sector, by new since 2020 Of the 202 postcodes in the TW18 1 sector that ONS places, 2 are new since 2020 and 200 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Staines-upon-Thames, Laleham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A308A320 Staines-upon-ThamesLaleham
  • New since 2020: 2
  • In use before 2020: 200

Of the 202 postcodes in the TW18 1 sector that ONS places, 2 are new since 2020 and 200 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.

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

TW18 1FBAugust 2021TW18 1XBJune 2021

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

TW18 1XE

What do homes sell for in TW18 1?

Homes in TW18 1 sold for a typical £470,000 in the 12 months to August 2026, across 83 sales, down 4.1% on the 12 months before, HM Land Registry's figures show.

£470,000 typical price, the 12 months to August 2026
£490,000 12 months to August 2025
▼ down 4.1% on the 12 months before
  • Detached £685,000 7 sales
  • Semi-detached £530,000 41 sales
  • Terraced £452,000 25 sales
  • Flat or maisonette £303,500 10 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 TW18 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 TW18 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.

TW18 1AATW18 1ABTW18 1ADTW18 1AETW18 1AGTW18 1AHTW18 1AJTW18 1ALTW18 1ANTW18 1APTW18 1AQTW18 1ARTW18 1ASTW18 1ATTW18 1AUTW18 1AWTW18 1AXTW18 1AYTW18 1AZTW18 1BATW18 1BBTW18 1BDTW18 1BFTW18 1BGTW18 1BHTW18 1BJTW18 1BLTW18 1BPTW18 1BTTW18 1BUTW18 1BXTW18 1BYTW18 1BZTW18 1DATW18 1DBTW18 1DDTW18 1DETW18 1DFTW18 1DGTW18 1DHTW18 1DJTW18 1DLTW18 1DNTW18 1DPTW18 1DQTW18 1DRTW18 1DSTW18 1DWTW18 1DZTW18 1EATW18 1EBTW18 1EDTW18 1EETW18 1EFTW18 1EGTW18 1EHTW18 1EJTW18 1ELTW18 1ENTW18 1EPTW18 1EQTW18 1ERTW18 1ESTW18 1ETTW18 1EWTW18 1FBTW18 1GATW18 1GNTW18 1HATW18 1HBTW18 1HDTW18 1HETW18 1HFTW18 1HGTW18 1HHTW18 1HJTW18 1HLTW18 1HNTW18 1HPTW18 1HQTW18 1HRTW18 1HSTW18 1HWTW18 1HXTW18 1HYTW18 1HZTW18 1JATW18 1JBTW18 1JDTW18 1JETW18 1JFTW18 1JGTW18 1JHTW18 1JJTW18 1JLTW18 1JNTW18 1JPTW18 1JQTW18 1JRTW18 1JSTW18 1JTTW18 1JUTW18 1JWTW18 1JXTW18 1JYTW18 1JZTW18 1LHTW18 1LJTW18 1LNTW18 1LPTW18 1LQTW18 1LRTW18 1LSTW18 1LTTW18 1LUTW18 1LWTW18 1LXTW18 1LYTW18 1LZTW18 1NATW18 1NBTW18 1NDTW18 1NETW18 1NFTW18 1NGTW18 1NHTW18 1NQTW18 1PATW18 1PBTW18 1PDTW18 1PETW18 1PFTW18 1PGTW18 1PHTW18 1PJTW18 1PLTW18 1PNTW18 1PPTW18 1PQTW18 1PRTW18 1PSTW18 1PTTW18 1PWTW18 1PXTW18 1PYTW18 1QFTW18 1QGTW18 1QJTW18 1QLTW18 1QNTW18 1QPTW18 1QQTW18 1QRTW18 1QSTW18 1QTTW18 1QUTW18 1QWTW18 1QXTW18 1QYTW18 1QZTW18 1RBTW18 1RPTW18 1RRTW18 1RSTW18 1RTTW18 1RUTW18 1RWTW18 1RXTW18 1RYTW18 1RZTW18 1SBTW18 1SDTW18 1SETW18 1SHTW18 1SJTW18 1SLTW18 1SNTW18 1SPTW18 1SQTW18 1SRTW18 1SSTW18 1STTW18 1SWTW18 1SXTW18 1SYTW18 1SZTW18 1TATW18 1TBTW18 1TDTW18 1UATW18 1UBTW18 1UDTW18 1UETW18 1UFTW18 1UGTW18 1UQTW18 1XBTW18 1XDTW18 1XETW18 1XHTW18 1XSTW18 1YA

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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