TW6 3 postcode sector in the TW6 district

TW6 3 is a sector of the TW6 district: every postcode that starts TW6 3. It has 34 postcodes in use, 17 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 TW6 3 sector, by flood risk

Map of every postcode in the TW6 3 sector, by flood risk Of the 34 postcodes in the TW6 3 sector that ONS places, 34 are not on the Environment Agency's at-risk list. Places named: Stanwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A30 TW6 3AE: not on the flood risk listTW6 3AF: not on the flood risk listTW6 3AQ: not on the flood risk listTW6 3FB: not on the flood risk listTW6 3FD: not on the flood risk listTW6 3FE: not on the flood risk listTW6 3FH: not on the flood risk listTW6 3FJ: not on the flood risk listTW6 3JF: not on the flood risk listTW6 3JJ: not on the flood risk listTW6 3LW: not on the flood risk listTW6 3PF: not on the flood risk listTW6 3PR: not on the flood risk listTW6 3QY: not on the flood risk listTW6 3RE: not on the flood risk listTW6 3RG: not on the flood risk listTW6 3RN: not on the flood risk listTW6 3RT: not on the flood risk listTW6 3SF: not on the flood risk listTW6 3SH: not on the flood risk listTW6 3SJ: not on the flood risk listTW6 3SN: not on the flood risk listTW6 3SY: not on the flood risk listTW6 3UA: not on the flood risk listTW6 3XA: not on the flood risk listTW6 3XE: not on the flood risk listTW6 3XL: not on the flood risk listTW6 3YH: not on the flood risk list Stanwell Map of every postcode in the TW6 3 sector, by flood risk Of the 34 postcodes in the TW6 3 sector that ONS places, 34 are not on the Environment Agency's at-risk list. Places named: Stanwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A315 Stanwell
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 34

Of the 34 postcodes in the TW6 3 sector that ONS places, 34 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. 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; 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

Postcodes in TW6 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.

TW6 3AETW6 3AFTW6 3AQTW6 3FBTW6 3FDTW6 3FETW6 3FFTW6 3FHTW6 3FJTW6 3JFTW6 3JJTW6 3LWTW6 3PFTW6 3PRTW6 3QYTW6 3RETW6 3RGTW6 3RNTW6 3RTTW6 3RYTW6 3SFTW6 3SHTW6 3SJTW6 3SLTW6 3SNTW6 3SYTW6 3UATW6 3XATW6 3XBTW6 3XETW6 3XLTW6 3XZTW6 3YDTW6 3YH

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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