TW18 4 postcode sector in the TW18 district

TW18 4 is a sector of the TW18 district: every postcode that starts TW18 4. It has 202 postcodes in use, 12 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 4 sector, by gigabit broadband

Map of every postcode in the TW18 4 sector, by gigabit broadband Of the 202 postcodes in the TW18 4 sector that ONS places, 42 have no home or business that can get gigabit, 35 have some that can, 110 can all get it and 15 have no Ofcom figure. One group of postcodes without gigabit is outlined: 36 postcodes without gigabit. Places named: Staines. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A30 TW18 4AP: no Ofcom figureTW18 4AR: no Ofcom figureTW18 4BG: no Ofcom figureTW18 4DL: no Ofcom figureTW18 4JR: no Ofcom figureTW18 4QX: no Ofcom figureTW18 4TD: no Ofcom figureTW18 4TG: no Ofcom figureTW18 4AF: gigabit for allTW18 4AG: gigabit for allTW18 4AJ: gigabit for allTW18 4AS: gigabit for allTW18 4BB: gigabit for allTW18 4BD: gigabit for allTW18 4BN: gigabit for allTW18 4BU: gigabit for allTW18 4BW: gigabit for allTW18 4DD: gigabit for allTW18 4DE: gigabit for allTW18 4DN: gigabit for allTW18 4DQ: gigabit for allTW18 4EA: gigabit for allTW18 4EQ: gigabit for allTW18 4EZ: gigabit for allTW18 4HB: gigabit for allTW18 4HL: gigabit for allTW18 4HS: gigabit for allTW18 4HT: gigabit for allTW18 4HU: gigabit for allTW18 4HW: gigabit for allTW18 4HX: gigabit for allTW18 4HY: gigabit for allTW18 4HZ: gigabit for allTW18 4JB: gigabit for allTW18 4JH: gigabit for allTW18 4JJ: gigabit for allTW18 4JL: gigabit for allTW18 4JN: gigabit for allTW18 4JQ: gigabit for allTW18 4JT: gigabit for allTW18 4JU: gigabit for allTW18 4JW: gigabit for allTW18 4JX: gigabit for allTW18 4JY: gigabit for allTW18 4JZ: gigabit for allTW18 4LB: gigabit for allTW18 4LP: gigabit for allTW18 4LQ: gigabit for allTW18 4LR: gigabit for allTW18 4LS: gigabit for allTW18 4LT: gigabit for allTW18 4LU: gigabit for allTW18 4LW: gigabit for allTW18 4LY: gigabit for allTW18 4LZ: gigabit for allTW18 4NB: gigabit for allTW18 4NE: gigabit for allTW18 4NF: gigabit for allTW18 4NH: gigabit for allTW18 4NJ: gigabit for allTW18 4NP: gigabit for allTW18 4NQ: gigabit for allTW18 4NR: gigabit for allTW18 4NS: gigabit for allTW18 4NT: gigabit for allTW18 4NW: gigabit for allTW18 4NZ: gigabit for allTW18 4PB: gigabit for allTW18 4QD: gigabit for allTW18 4QJ: gigabit for allTW18 4QN: gigabit for allTW18 4QP: gigabit for allTW18 4QZ: gigabit for allTW18 4RB: gigabit for allTW18 4RJ: gigabit for allTW18 4RL: gigabit for allTW18 4RN: gigabit for allTW18 4RP: gigabit for allTW18 4RR: gigabit for allTW18 4RS: gigabit for allTW18 4RT: gigabit for allTW18 4RU: gigabit for allTW18 4RW: gigabit for allTW18 4RX: gigabit for allTW18 4RY: gigabit for allTW18 4SG: gigabit for allTW18 4SH: gigabit for allTW18 4SN: gigabit for allTW18 4SW: gigabit for allTW18 4TN: gigabit for allTW18 4TT: gigabit for allTW18 4TU: gigabit for allTW18 4TX: gigabit for allTW18 4TY: gigabit for allTW18 4TZ: gigabit for allTW18 4UA: gigabit for allTW18 4XE: gigabit for allTW18 4XL: gigabit for allTW18 4XT: gigabit for allTW18 4XY: gigabit for allTW18 4XZ: gigabit for allTW18 4YD: gigabit for allTW18 4YF: gigabit for allTW18 4YG: gigabit for allTW18 4YJ: gigabit for allTW18 4YP: gigabit for allTW18 4YR: gigabit for allTW18 4YT: gigabit for allTW18 4YU: gigabit for allTW18 4YY: gigabit for allTW18 4ZB: gigabit for allTW18 4ZN: gigabit for allTW18 4ZT: gigabit for allTW18 4ZU: gigabit for allTW18 4BP: some gigabitTW18 4DF: some gigabitTW18 4EE: some gigabitTW18 4EN: some gigabitTW18 4EY: some gigabitTW18 4HA: some gigabitTW18 4HF: some gigabitTW18 4HN: some gigabitTW18 4HR: some gigabitTW18 4JG: some gigabitTW18 4LA: some gigabitTW18 4LD: some gigabitTW18 4LG: some gigabitTW18 4LX: some gigabitTW18 4ND: some gigabitTW18 4PA: some gigabitTW18 4QY: some gigabitTW18 4SD: some gigabitTW18 4SU: some gigabitTW18 4TS: some gigabitTW18 4US: some gigabitTW18 4UW: some gigabitTW18 4WA: some gigabitTW18 4XH: some gigabitTW18 4XR: some gigabitTW18 4XX: some gigabitTW18 4YA: some gigabitTW18 4YE: some gigabitTW18 4YH: some gigabitTW18 4YW: some gigabitTW18 4YX: some gigabitTW18 4AZ: some gigabitTW18 4EJ: some gigabitTW18 4XS: some gigabitTW18 4AB: no gigabitTW18 4AH: no gigabitTW18 4AX: no gigabitTW18 4BF: no gigabitTW18 4BJ: no gigabitTW18 4BL: no gigabitTW18 4BY: no gigabitTW18 4DP: no gigabitTW18 4DY: no gigabitTW18 4EB: no gigabitTW18 4EP: no gigabitTW18 4EW: no gigabitTW18 4EX: no gigabitTW18 4HD: no gigabitTW18 4HP: no gigabitTW18 4LH: no gigabitTW18 4NG: no gigabitTW18 4NU: no gigabitTW18 4NX: no gigabitTW18 4PD: no gigabitTW18 4PG: no gigabitTW18 4PP: no gigabitTW18 4PQ: no gigabitTW18 4PR: no gigabitTW18 4PT: no gigabitTW18 4QB: no gigabitTW18 4QH: no gigabitTW18 4QL: no gigabitTW18 4QU: no gigabitTW18 4RH: no gigabitTW18 4RZ: no gigabitTW18 4SJ: no gigabitTW18 4SP: no gigabitTW18 4SY: no gigabitTW18 4TB: no gigabitTW18 4TW: no gigabitTW18 4UP: no gigabitTW18 4WB: no gigabitTW18 4YZ: no gigabitTW18 4ZX: no gigabit Staines 36 postcodes without gigabit, outlined: this goes to TW18 4DY, the one nearest the middle of them36 postcodes without gigabit Map of every postcode in the TW18 4 sector, by gigabit broadband Of the 202 postcodes in the TW18 4 sector that ONS places, 42 have no home or business that can get gigabit, 35 have some that can, 110 can all get it and 15 have no Ofcom figure. One group of postcodes without gigabit is outlined: 36 postcodes without gigabit. Places named: Staines. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A3044 Staines 36 postcodes without gigabit, outlined: this goes to TW18 4DY, the one nearest the middle of them36 postcodes without gigabit
  • No home or business can get gigabit: 42
  • Some can get gigabit: 35
  • Every home and business can get gigabit: 110
  • Ofcom gives no figure: 15
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 202 postcodes in the TW18 4 sector that ONS places, 42 have no home or business that can get gigabit, 35 have some that can, 110 can all get it and 15 have no Ofcom figure.

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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

Postcodes without gigabit

42 postcodes here have no gigabit. These are the 12 first in postcode order.

TW18 4ABTW18 4AHTW18 4AXTW18 4BFTW18 4BJTW18 4BLTW18 4BYTW18 4DPTW18 4DRTW18 4DYTW18 4EBTW18 4EP

Where the postcodes without gigabit lie together

  • 36 postcodes without gigabit, outlined on the map. TW18 4DY, is the one nearest the middle of them.

What do homes sell for in TW18 4?

Homes in TW18 4 sold for a typical £389,000 in the 12 months to September 2026, across 78 sales, HM Land Registry's figures show. The 12 months before gave £400,000 from 162 sales: not a change larger than chance would explain, given which homes happened to sell.

£389,000 typical price, the 12 months to September 2026
£400,000 12 months to September 2025
  • Detached 4 sales, too few to price
  • Semi-detached £484,000 14 sales
  • Terraced £441,000 21 sales
  • Flat or maisonette £300,000 39 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 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 October 2026.

Postcodes in TW18 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.

TW18 4ABTW18 4AFTW18 4AGTW18 4AHTW18 4AJTW18 4ALTW18 4APTW18 4ARTW18 4ASTW18 4ATTW18 4AXTW18 4AYTW18 4AZTW18 4BBTW18 4BDTW18 4BFTW18 4BGTW18 4BJTW18 4BLTW18 4BNTW18 4BPTW18 4BSTW18 4BUTW18 4BWTW18 4BYTW18 4DDTW18 4DETW18 4DFTW18 4DLTW18 4DNTW18 4DPTW18 4DQTW18 4DRTW18 4DYTW18 4EATW18 4EBTW18 4EETW18 4EJTW18 4ENTW18 4EPTW18 4EQTW18 4EWTW18 4EXTW18 4EYTW18 4EZTW18 4HATW18 4HBTW18 4HDTW18 4HFTW18 4HLTW18 4HNTW18 4HPTW18 4HRTW18 4HSTW18 4HTTW18 4HUTW18 4HWTW18 4HXTW18 4HYTW18 4HZTW18 4JBTW18 4JGTW18 4JHTW18 4JJTW18 4JLTW18 4JNTW18 4JQTW18 4JRTW18 4JTTW18 4JUTW18 4JWTW18 4JXTW18 4JYTW18 4JZTW18 4LATW18 4LBTW18 4LDTW18 4LGTW18 4LHTW18 4LPTW18 4LQTW18 4LRTW18 4LSTW18 4LTTW18 4LUTW18 4LWTW18 4LXTW18 4LYTW18 4LZTW18 4NBTW18 4NDTW18 4NETW18 4NFTW18 4NGTW18 4NHTW18 4NJTW18 4NLTW18 4NPTW18 4NQTW18 4NRTW18 4NSTW18 4NTTW18 4NUTW18 4NWTW18 4NXTW18 4NZTW18 4PATW18 4PBTW18 4PDTW18 4PGTW18 4PPTW18 4PQTW18 4PRTW18 4PSTW18 4PTTW18 4PWTW18 4QBTW18 4QDTW18 4QETW18 4QHTW18 4QJTW18 4QLTW18 4QNTW18 4QPTW18 4QUTW18 4QXTW18 4QYTW18 4QZTW18 4RBTW18 4RHTW18 4RJTW18 4RLTW18 4RNTW18 4RPTW18 4RRTW18 4RSTW18 4RTTW18 4RUTW18 4RWTW18 4RXTW18 4RYTW18 4RZTW18 4SDTW18 4SGTW18 4SHTW18 4SJTW18 4SNTW18 4SPTW18 4SUTW18 4SWTW18 4SYTW18 4TATW18 4TBTW18 4TDTW18 4TGTW18 4TNTW18 4TSTW18 4TTTW18 4TUTW18 4TWTW18 4TXTW18 4TYTW18 4TZTW18 4UATW18 4UPTW18 4USTW18 4UWTW18 4WATW18 4WBTW18 4XETW18 4XFTW18 4XHTW18 4XLTW18 4XNTW18 4XPTW18 4XRTW18 4XSTW18 4XTTW18 4XXTW18 4XYTW18 4XZTW18 4YATW18 4YDTW18 4YETW18 4YFTW18 4YGTW18 4YHTW18 4YJTW18 4YPTW18 4YRTW18 4YTTW18 4YUTW18 4YWTW18 4YXTW18 4YYTW18 4YZTW18 4ZBTW18 4ZNTW18 4ZTTW18 4ZUTW18 4ZWTW18 4ZX

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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