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, by flood risk

Map of every postcode in the TW15 3 sector, by flood risk Of the 194 postcodes in the TW15 3 sector that ONS places, 3 have a home or business at high risk, 4 are at medium risk at worst, 38 are at low risk at worst, 24 are at very low risk only and 125 are not on the Environment Agency's at-risk list. Places named: Ashford, Spelthorne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A308A30 TW15 3AA: not on the flood risk listTW15 3AB: not on the flood risk listTW15 3AD: not on the flood risk listTW15 3AE: not on the flood risk listTW15 3AF: not on the flood risk listTW15 3AG: not on the flood risk listTW15 3AH: not on the flood risk listTW15 3AJ: not on the flood risk listTW15 3AN: not on the flood risk listTW15 3AQ: not on the flood risk listTW15 3AR: not on the flood risk listTW15 3AS: not on the flood risk listTW15 3AT: not on the flood risk listTW15 3AU: not on the flood risk listTW15 3AW: not on the flood risk listTW15 3AX: not on the flood risk listTW15 3AY: not on the flood risk listTW15 3AZ: not on the flood risk listTW15 3BB: not on the flood risk listTW15 3BF: not on the flood risk listTW15 3BJ: not on the flood risk listTW15 3BP: not on the flood risk listTW15 3BS: not on the flood risk listTW15 3BT: not on the flood risk listTW15 3BU: not on the flood risk listTW15 3BW: not on the flood risk listTW15 3BX: not on the flood risk listTW15 3BY: not on the flood risk listTW15 3BZ: not on the flood risk listTW15 3DA: not on the flood risk listTW15 3DB: not on the flood risk listTW15 3DD: not on the flood risk listTW15 3DE: not on the flood risk listTW15 3DF: not on the flood risk listTW15 3DG: not on the flood risk listTW15 3DH: not on the flood risk listTW15 3DJ: not on the flood risk listTW15 3DL: not on the flood risk listTW15 3DN: not on the flood risk listTW15 3DQ: not on the flood risk listTW15 3DR: not on the flood risk listTW15 3DS: not on the flood risk listTW15 3DT: not on the flood risk listTW15 3DU: not on the flood risk listTW15 3DZ: not on the flood risk listTW15 3EA: not on the flood risk listTW15 3EB: not on the flood risk listTW15 3ED: not on the flood risk listTW15 3EE: not on the flood risk listTW15 3EF: not on the flood risk listTW15 3EG: not on the flood risk listTW15 3EH: not on the flood risk listTW15 3EJ: not on the flood risk listTW15 3EL: not on the flood risk listTW15 3EN: not on the flood risk listTW15 3EP: not on the flood risk listTW15 3EQ: not on the flood risk listTW15 3ER: not on the flood risk listTW15 3ES: not on the flood risk listTW15 3ET: not on the flood risk listTW15 3EU: not on the flood risk listTW15 3EW: not on the flood risk listTW15 3EX: not on the flood risk listTW15 3EY: not on the flood risk listTW15 3EZ: not on the flood risk listTW15 3FB: not on the flood risk listTW15 3FD: not on the flood risk listTW15 3FE: not on the flood risk listTW15 3FF: not on the flood risk listTW15 3FG: not on the flood risk listTW15 3FJ: not on the flood risk listTW15 3GA: not on the flood risk listTW15 3GB: not on the flood risk listTW15 3GD: not on the flood risk listTW15 3GN: not on the flood risk listTW15 3HB: not on the flood risk listTW15 3HG: not on the flood risk listTW15 3HH: not on the flood risk listTW15 3HJ: not on the flood risk listTW15 3HL: not on the flood risk listTW15 3HN: not on the flood risk listTW15 3HP: not on the flood risk listTW15 3HQ: not on the flood risk listTW15 3HR: not on the flood risk listTW15 3HS: not on the flood risk listTW15 3HT: not on the flood risk listTW15 3HU: not on the flood risk listTW15 3HW: not on the flood risk listTW15 3HX: not on the flood risk listTW15 3HY: not on the flood risk listTW15 3HZ: not on the flood risk listTW15 3JA: not on the flood risk listTW15 3JD: not on the flood risk listTW15 3JE: not on the flood risk listTW15 3JF: not on the flood risk listTW15 3JG: not on the flood risk listTW15 3JH: not on the flood risk listTW15 3JJ: not on the flood risk listTW15 3JL: not on the flood risk listTW15 3JQ: not on the flood risk listTW15 3JS: not on the flood risk listTW15 3JT: not on the flood risk listTW15 3JU: not on the flood risk listTW15 3JX: not on the flood risk listTW15 3JY: not on the flood risk listTW15 3JZ: not on the flood risk listTW15 3LH: not on the flood risk listTW15 3LN: not on the flood risk listTW15 3LW: not on the flood risk listTW15 3PF: not on the flood risk listTW15 3PT: not on the flood risk listTW15 3PU: not on the flood risk listTW15 3PX: not on the flood risk listTW15 3QF: not on the flood risk listTW15 3QH: not on the flood risk listTW15 3QJ: not on the flood risk listTW15 3QL: not on the flood risk listTW15 3QP: not on the flood risk listTW15 3QQ: not on the flood risk listTW15 3QR: not on the flood risk listTW15 3QS: not on the flood risk listTW15 3QT: not on the flood risk listTW15 3QU: not on the flood risk listTW15 3QX: not on the flood risk listTW15 3RT: not on the flood risk listTW15 3JB: very low flood risk onlyTW15 3LD: very low flood risk onlyTW15 3LJ: very low flood risk onlyTW15 3LU: very low flood risk onlyTW15 3NB: very low flood risk onlyTW15 3ND: very low flood risk onlyTW15 3NL: very low flood risk onlyTW15 3NN: very low flood risk onlyTW15 3NR: very low flood risk onlyTW15 3PD: very low flood risk onlyTW15 3PG: very low flood risk onlyTW15 3PQ: very low flood risk onlyTW15 3PR: very low flood risk onlyTW15 3PS: very low flood risk onlyTW15 3PZ: very low flood risk onlyTW15 3QA: very low flood risk onlyTW15 3QN: very low flood risk onlyTW15 3QY: very low flood risk onlyTW15 3RN: very low flood risk onlyTW15 3RR: very low flood risk onlyTW15 3SG: very low flood risk onlyTW15 3SH: very low flood risk onlyTW15 3SL: very low flood risk onlyTW15 3SQ: very low flood risk onlyTW15 3LF: low flood risk at worstTW15 3LL: low flood risk at worstTW15 3LQ: low flood risk at worstTW15 3LX: low flood risk at worstTW15 3LY: low flood risk at worstTW15 3LZ: low flood risk at worstTW15 3NA: low flood risk at worstTW15 3NE: low flood risk at worstTW15 3NF: low flood risk at worstTW15 3NG: low flood risk at worstTW15 3NH: low flood risk at worstTW15 3NP: low flood risk at worstTW15 3NQ: low flood risk at worstTW15 3NS: low flood risk at worstTW15 3NU: low flood risk at worstTW15 3NW: low flood risk at worstTW15 3PA: low flood risk at worstTW15 3PH: low flood risk at worstTW15 3PJ: low flood risk at worstTW15 3PL: low flood risk at worstTW15 3PP: low flood risk at worstTW15 3QZ: low flood risk at worstTW15 3RA: low flood risk at worstTW15 3RB: low flood risk at worstTW15 3RD: low flood risk at worstTW15 3RG: low flood risk at worstTW15 3RH: low flood risk at worstTW15 3RP: low flood risk at worstTW15 3RQ: low flood risk at worstTW15 3RU: low flood risk at worstTW15 3RY: low flood risk at worstTW15 3RZ: low flood risk at worstTW15 3SA: low flood risk at worstTW15 3SB: low flood risk at worstTW15 3SD: low flood risk at worstTW15 3SE: low flood risk at worstTW15 3SF: low flood risk at worstTW15 3SJ: low flood risk at worstTW15 3NJ: medium flood risk at worstTW15 3PN: medium flood risk at worstTW15 3RE: medium flood risk at worstTW15 3RL: medium flood risk at worstTW15 3PW: high flood riskTW15 3RF: high flood riskTW15 3RJ: high flood risk Ashford, Spelthorne Map of every postcode in the TW15 3 sector, by flood risk Of the 194 postcodes in the TW15 3 sector that ONS places, 3 have a home or business at high risk, 4 are at medium risk at worst, 38 are at low risk at worst, 24 are at very low risk only and 125 are not on the Environment Agency's at-risk list. Places named: Ashford, Spelthorne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Ashford, Spelthorne
  • A home or business at high risk: 3
  • At medium risk at worst: 4
  • At low risk at worst: 38
  • At very low risk only: 24
  • Not on the at-risk list: 125

Of the 194 postcodes in the TW15 3 sector that ONS places, 3 have a home or business at high risk, 4 are at medium risk at worst, 38 are at low risk at worst, 24 are at very low risk only and 125 are not on the Environment Agency's at-risk list.

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. No boundary is drawn.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; 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 postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

TW15 3PW8 at high riskTW15 3RJ1 at high riskTW15 3RF1 at high risk

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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