TW15 3 postcode sector in the TW15 district

TW15 3 is a sector of the TW15 district: every postcode that starts TW15 3. It has 194 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 TW15 3 sector, and which are new since 2020

Map of every postcode in the TW15 3 sector, by new since 2020 Of the 194 postcodes in the TW15 3 sector that ONS places, 194 were in use before 2020. Places named: Ashford, Spelthorne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A308A30 TW15 3AA: before 2020TW15 3AB: before 2020TW15 3AD: before 2020TW15 3AE: before 2020TW15 3AF: before 2020TW15 3AG: before 2020TW15 3AH: before 2020TW15 3AJ: before 2020TW15 3AN: before 2020TW15 3AQ: before 2020TW15 3AR: before 2020TW15 3AS: before 2020TW15 3AT: before 2020TW15 3AU: before 2020TW15 3AW: before 2020TW15 3AX: before 2020TW15 3AY: before 2020TW15 3AZ: before 2020TW15 3BB: before 2020TW15 3BF: before 2020TW15 3BJ: before 2020TW15 3BP: before 2020TW15 3BS: before 2020TW15 3BT: before 2020TW15 3BU: before 2020TW15 3BW: before 2020TW15 3BX: before 2020TW15 3BY: before 2020TW15 3BZ: before 2020TW15 3DA: before 2020TW15 3DB: before 2020TW15 3DD: before 2020TW15 3DE: before 2020TW15 3DF: before 2020TW15 3DG: before 2020TW15 3DH: before 2020TW15 3DJ: before 2020TW15 3DL: before 2020TW15 3DN: before 2020TW15 3DQ: before 2020TW15 3DR: before 2020TW15 3DS: before 2020TW15 3DT: before 2020TW15 3DU: before 2020TW15 3DZ: before 2020TW15 3EA: before 2020TW15 3EB: before 2020TW15 3ED: before 2020TW15 3EE: before 2020TW15 3EF: before 2020TW15 3EG: before 2020TW15 3EH: before 2020TW15 3EJ: before 2020TW15 3EL: before 2020TW15 3EN: before 2020TW15 3EP: before 2020TW15 3EQ: before 2020TW15 3ER: before 2020TW15 3ES: before 2020TW15 3ET: before 2020TW15 3EU: before 2020TW15 3EW: before 2020TW15 3EX: before 2020TW15 3EY: before 2020TW15 3EZ: before 2020TW15 3FB: before 2020TW15 3FD: before 2020TW15 3FE: before 2020TW15 3FF: before 2020TW15 3FG: before 2020TW15 3FJ: before 2020TW15 3GA: before 2020TW15 3GB: before 2020TW15 3GD: before 2020TW15 3GN: before 2020TW15 3HB: before 2020TW15 3HG: before 2020TW15 3HH: before 2020TW15 3HJ: before 2020TW15 3HL: before 2020TW15 3HN: before 2020TW15 3HP: before 2020TW15 3HQ: before 2020TW15 3HR: before 2020TW15 3HS: before 2020TW15 3HT: before 2020TW15 3HU: before 2020TW15 3HW: before 2020TW15 3HX: before 2020TW15 3HY: before 2020TW15 3HZ: before 2020TW15 3JA: before 2020TW15 3JB: before 2020TW15 3JD: before 2020TW15 3JE: before 2020TW15 3JF: before 2020TW15 3JG: before 2020TW15 3JH: before 2020TW15 3JJ: before 2020TW15 3JL: before 2020TW15 3JQ: before 2020TW15 3JS: before 2020TW15 3JT: before 2020TW15 3JU: before 2020TW15 3JX: before 2020TW15 3JY: before 2020TW15 3JZ: before 2020TW15 3LD: before 2020TW15 3LF: before 2020TW15 3LH: before 2020TW15 3LJ: before 2020TW15 3LL: before 2020TW15 3LN: before 2020TW15 3LQ: before 2020TW15 3LU: before 2020TW15 3LW: before 2020TW15 3LX: before 2020TW15 3LY: before 2020TW15 3LZ: before 2020TW15 3NA: before 2020TW15 3NB: before 2020TW15 3ND: before 2020TW15 3NE: before 2020TW15 3NF: before 2020TW15 3NG: before 2020TW15 3NH: before 2020TW15 3NJ: before 2020TW15 3NL: before 2020TW15 3NN: before 2020TW15 3NP: before 2020TW15 3NQ: before 2020TW15 3NR: before 2020TW15 3NS: before 2020TW15 3NU: before 2020TW15 3NW: before 2020TW15 3PA: before 2020TW15 3PD: before 2020TW15 3PF: before 2020TW15 3PG: before 2020TW15 3PH: before 2020TW15 3PJ: before 2020TW15 3PL: before 2020TW15 3PN: before 2020TW15 3PP: before 2020TW15 3PQ: before 2020TW15 3PR: before 2020TW15 3PS: before 2020TW15 3PT: before 2020TW15 3PU: before 2020TW15 3PW: before 2020TW15 3PX: before 2020TW15 3PZ: before 2020TW15 3QA: before 2020TW15 3QF: before 2020TW15 3QH: before 2020TW15 3QJ: before 2020TW15 3QL: before 2020TW15 3QN: before 2020TW15 3QP: before 2020TW15 3QQ: before 2020TW15 3QR: before 2020TW15 3QS: before 2020TW15 3QT: before 2020TW15 3QU: before 2020TW15 3QX: before 2020TW15 3QY: before 2020TW15 3QZ: before 2020TW15 3RA: before 2020TW15 3RB: before 2020TW15 3RD: before 2020TW15 3RE: before 2020TW15 3RF: before 2020TW15 3RG: before 2020TW15 3RH: before 2020TW15 3RJ: before 2020TW15 3RL: before 2020TW15 3RN: before 2020TW15 3RP: before 2020TW15 3RQ: before 2020TW15 3RR: before 2020TW15 3RT: before 2020TW15 3RU: before 2020TW15 3RY: before 2020TW15 3RZ: before 2020TW15 3SA: before 2020TW15 3SB: before 2020TW15 3SD: before 2020TW15 3SE: before 2020TW15 3SF: before 2020TW15 3SG: before 2020TW15 3SH: before 2020TW15 3SJ: before 2020TW15 3SL: before 2020TW15 3SQ: before 2020 Ashford, Spelthorne Map of every postcode in the TW15 3 sector, by new since 2020 Of the 194 postcodes in the TW15 3 sector that ONS places, 194 were in use before 2020. Places named: Ashford, Spelthorne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Ashford, Spelthorne
  • New since 2020: 0
  • In use before 2020: 194

Of the 194 postcodes in the TW15 3 sector that ONS places, 194 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.

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

What do homes sell for in TW15 3?

Homes in TW15 3 sold for a typical £489,000 in the 12 months to August 2026, across 71 sales, up 3.5% on the 12 months before, HM Land Registry's figures show.

£489,000 typical price, the 12 months to August 2026
£472,500 12 months to August 2025
▲ up 3.5% on the 12 months before
  • Detached £547,500 14 sales
  • Semi-detached £505,000 29 sales
  • Terraced £427,500 14 sales
  • Flat or maisonette £311,000 14 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 TW15 3. 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 TW15 3

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.

TW15 3AATW15 3ABTW15 3ADTW15 3AETW15 3AFTW15 3AGTW15 3AHTW15 3AJTW15 3ANTW15 3AQTW15 3ARTW15 3ASTW15 3ATTW15 3AUTW15 3AWTW15 3AXTW15 3AYTW15 3AZTW15 3BBTW15 3BFTW15 3BJTW15 3BPTW15 3BSTW15 3BTTW15 3BUTW15 3BWTW15 3BXTW15 3BYTW15 3BZTW15 3DATW15 3DBTW15 3DDTW15 3DETW15 3DFTW15 3DGTW15 3DHTW15 3DJTW15 3DLTW15 3DNTW15 3DQTW15 3DRTW15 3DSTW15 3DTTW15 3DUTW15 3DZTW15 3EATW15 3EBTW15 3EDTW15 3EETW15 3EFTW15 3EGTW15 3EHTW15 3EJTW15 3ELTW15 3ENTW15 3EPTW15 3EQTW15 3ERTW15 3ESTW15 3ETTW15 3EUTW15 3EWTW15 3EXTW15 3EYTW15 3EZTW15 3FBTW15 3FDTW15 3FETW15 3FFTW15 3FGTW15 3FJTW15 3GATW15 3GBTW15 3GDTW15 3GNTW15 3HBTW15 3HGTW15 3HHTW15 3HJTW15 3HLTW15 3HNTW15 3HPTW15 3HQTW15 3HRTW15 3HSTW15 3HTTW15 3HUTW15 3HWTW15 3HXTW15 3HYTW15 3HZTW15 3JATW15 3JBTW15 3JDTW15 3JETW15 3JFTW15 3JGTW15 3JHTW15 3JJTW15 3JLTW15 3JQTW15 3JSTW15 3JTTW15 3JUTW15 3JXTW15 3JYTW15 3JZTW15 3LDTW15 3LFTW15 3LHTW15 3LJTW15 3LLTW15 3LNTW15 3LQTW15 3LUTW15 3LWTW15 3LXTW15 3LYTW15 3LZTW15 3NATW15 3NBTW15 3NDTW15 3NETW15 3NFTW15 3NGTW15 3NHTW15 3NJTW15 3NLTW15 3NNTW15 3NPTW15 3NQTW15 3NRTW15 3NSTW15 3NUTW15 3NWTW15 3PATW15 3PDTW15 3PFTW15 3PGTW15 3PHTW15 3PJTW15 3PLTW15 3PNTW15 3PPTW15 3PQTW15 3PRTW15 3PSTW15 3PTTW15 3PUTW15 3PWTW15 3PXTW15 3PZTW15 3QATW15 3QFTW15 3QHTW15 3QJTW15 3QLTW15 3QNTW15 3QPTW15 3QQTW15 3QRTW15 3QSTW15 3QTTW15 3QUTW15 3QXTW15 3QYTW15 3QZTW15 3RATW15 3RBTW15 3RDTW15 3RETW15 3RFTW15 3RGTW15 3RHTW15 3RJTW15 3RLTW15 3RNTW15 3RPTW15 3RQTW15 3RRTW15 3RTTW15 3RUTW15 3RYTW15 3RZTW15 3SATW15 3SBTW15 3SDTW15 3SETW15 3SFTW15 3SGTW15 3SHTW15 3SJTW15 3SLTW15 3SQ

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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