TW20 8 postcode sector in the TW20 district

TW20 8 is a sector of the TW20 district: every postcode that starts TW20 8. It has 189 postcodes in use, one of them a large-user postcode. 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 TW20 8 sector, by flood risk

Map of every postcode in the TW20 8 sector, by flood risk Of the 189 postcodes in the TW20 8 sector that ONS places, 71 have a home or business at high risk, 31 are at medium risk at worst, 38 are at low risk at worst and 49 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 80 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: Egham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M25 TW20 8DQ: not on the flood risk listTW20 8EY: not on the flood risk listTW20 8EZ: not on the flood risk listTW20 8FL: not on the flood risk listTW20 8HY: not on the flood risk listTW20 8JE: not on the flood risk listTW20 8JL: not on the flood risk listTW20 8JR: not on the flood risk listTW20 8JT: not on the flood risk listTW20 8JU: not on the flood risk listTW20 8LE: not on the flood risk listTW20 8LH: not on the flood risk listTW20 8LL: not on the flood risk listTW20 8LN: not on the flood risk listTW20 8LW: not on the flood risk listTW20 8LX: not on the flood risk listTW20 8PF: not on the flood risk listTW20 8PG: not on the flood risk listTW20 8PH: not on the flood risk listTW20 8PQ: not on the flood risk listTW20 8PS: not on the flood risk listTW20 8PT: not on the flood risk listTW20 8QA: not on the flood risk listTW20 8QB: not on the flood risk listTW20 8QD: not on the flood risk listTW20 8QE: not on the flood risk listTW20 8QF: not on the flood risk listTW20 8QU: not on the flood risk listTW20 8RB: not on the flood risk listTW20 8RF: not on the flood risk listTW20 8RG: not on the flood risk listTW20 8RJ: not on the flood risk listTW20 8RL: not on the flood risk listTW20 8RY: not on the flood risk listTW20 8SJ: not on the flood risk listTW20 8SR: not on the flood risk listTW20 8TH: not on the flood risk listTW20 8TP: not on the flood risk listTW20 8UA: not on the flood risk listTW20 8UB: not on the flood risk listTW20 8UD: not on the flood risk listTW20 8UE: not on the flood risk listTW20 8UF: not on the flood risk listTW20 8UG: not on the flood risk listTW20 8UQ: not on the flood risk listTW20 8UU: not on the flood risk listTW20 8AP: low flood risk at worstTW20 8AR: low flood risk at worstTW20 8AS: low flood risk at worstTW20 8AX: low flood risk at worstTW20 8BL: low flood risk at worstTW20 8BN: low flood risk at worstTW20 8BT: low flood risk at worstTW20 8BU: low flood risk at worstTW20 8DL: low flood risk at worstTW20 8JH: low flood risk at worstTW20 8JJ: low flood risk at worstTW20 8JN: low flood risk at worstTW20 8JP: low flood risk at worstTW20 8JQ: low flood risk at worstTW20 8JS: low flood risk at worstTW20 8JW: low flood risk at worstTW20 8LA: low flood risk at worstTW20 8LB: low flood risk at worstTW20 8LD: low flood risk at worstTW20 8LJ: low flood risk at worstTW20 8LP: low flood risk at worstTW20 8LT: low flood risk at worstTW20 8NP: low flood risk at worstTW20 8NU: low flood risk at worstTW20 8PE: low flood risk at worstTW20 8QJ: low flood risk at worstTW20 8QL: low flood risk at worstTW20 8QN: low flood risk at worstTW20 8RD: low flood risk at worstTW20 8RE: low flood risk at worstTW20 8RN: low flood risk at worstTW20 8RX: low flood risk at worstTW20 8RZ: low flood risk at worstTW20 8TE: low flood risk at worstTW20 8TQ: low flood risk at worstTW20 8TW: low flood risk at worstTW20 8AA: medium flood risk at worstTW20 8AB: medium flood risk at worstTW20 8AE: medium flood risk at worstTW20 8AF: medium flood risk at worstTW20 8AJ: medium flood risk at worstTW20 8AY: medium flood risk at worstTW20 8AZ: medium flood risk at worstTW20 8BH: medium flood risk at worstTW20 8BJ: medium flood risk at worstTW20 8DF: medium flood risk at worstTW20 8ED: medium flood risk at worstTW20 8EE: medium flood risk at worstTW20 8EG: medium flood risk at worstTW20 8EH: medium flood risk at worstTW20 8EQ: medium flood risk at worstTW20 8ES: medium flood risk at worstTW20 8ET: medium flood risk at worstTW20 8HA: medium flood risk at worstTW20 8HB: medium flood risk at worstTW20 8NG: medium flood risk at worstTW20 8NH: medium flood risk at worstTW20 8NJ: medium flood risk at worstTW20 8NL: medium flood risk at worstTW20 8NN: medium flood risk at worstTW20 8NR: medium flood risk at worstTW20 8NS: medium flood risk at worstTW20 8NT: medium flood risk at worstTW20 8NX: medium flood risk at worstTW20 8QP: medium flood risk at worstTW20 8QW: medium flood risk at worstTW20 8TD: medium flood risk at worstTW20 8AG: high flood riskTW20 8AH: high flood riskTW20 8AL: high flood riskTW20 8AN: high flood riskTW20 8AQ: high flood riskTW20 8AT: high flood riskTW20 8AU: high flood riskTW20 8AW: high flood riskTW20 8BG: high flood riskTW20 8BS: high flood riskTW20 8BW: high flood riskTW20 8BX: high flood riskTW20 8BY: high flood riskTW20 8BZ: high flood riskTW20 8DA: high flood riskTW20 8DD: high flood riskTW20 8DE: high flood riskTW20 8DG: high flood riskTW20 8DP: high flood riskTW20 8DR: high flood riskTW20 8DS: high flood riskTW20 8DT: high flood riskTW20 8DU: high flood riskTW20 8DX: high flood riskTW20 8DY: high flood riskTW20 8DZ: high flood riskTW20 8EA: high flood riskTW20 8EB: high flood riskTW20 8EF: high flood riskTW20 8EJ: high flood riskTW20 8EL: high flood riskTW20 8EN: high flood riskTW20 8EU: high flood riskTW20 8EW: high flood riskTW20 8XG: high flood riskTW20 8HD: high flood riskTW20 8HE: high flood riskTW20 8HG: high flood riskTW20 8HH: high flood riskTW20 8HJ: high flood riskTW20 8HL: high flood riskTW20 8HN: high flood riskTW20 8HP: high flood riskTW20 8HQ: high flood riskTW20 8HR: high flood riskTW20 8HS: high flood riskTW20 8HT: high flood riskTW20 8HU: high flood riskTW20 8HW: high flood riskTW20 8HX: high flood riskTW20 8JA: high flood riskTW20 8JX: high flood riskTW20 8JY: high flood riskTW20 8JZ: high flood riskTW20 8LR: high flood riskTW20 8LS: high flood riskTW20 8NW: high flood riskTW20 8QH: high flood riskTW20 8QR: high flood riskTW20 8QS: high flood riskTW20 8QT: high flood riskTW20 8SH: high flood riskTW20 8SS: high flood riskTW20 8SU: high flood riskTW20 8TA: high flood riskTW20 8TG: high flood riskTW20 8XA: high flood riskTW20 8XB: high flood riskTW20 8XD: high flood riskTW20 8XE: high flood riskTW20 8XF: high flood risk Egham 80 postcodes at high or medium risk, outlined: this goes to TW20 8AN, the one with most homes and businesses at high risk80 postcodes at high or medium risk5 postcodes at high or medium risk, outlined: this goes to TW20 8BX, the one with most homes and businesses at high risk5 postcodes at high or medium risk Map of every postcode in the TW20 8 sector, by flood risk Of the 189 postcodes in the TW20 8 sector that ONS places, 71 have a home or business at high risk, 31 are at medium risk at worst, 38 are at low risk at worst and 49 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 80 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: Egham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Egham
  • A home or business at high risk: 71
  • At medium risk at worst: 31
  • At low risk at worst: 38
  • At very low risk only: 0
  • Not on the at-risk list: 49
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 189 postcodes in the TW20 8 sector that ONS places, 71 have a home or business at high risk, 31 are at medium risk at worst, 38 are at low risk at worst and 49 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. 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.

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

71 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

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

TW20 8AN63 at high riskTW20 8AT63 at high riskTW20 8DR55 at high riskTW20 8XA55 at high riskTW20 8BX46 at high riskTW20 8HG42 at high riskTW20 8DT41 at high riskTW20 8HQ39 at high riskTW20 8AL36 at high riskTW20 8AW34 at high riskTW20 8DX29 at high riskTW20 8HR29 at high risk

Where the postcodes at high or medium risk lie together

  • 80 postcodes at high or medium risk, outlined on the map. TW20 8AN, is the one with most homes and businesses at high risk.
  • 5 postcodes at high or medium risk, outlined on the map. TW20 8BX, is the one with most homes and businesses at high risk.

What do homes sell for in TW20 8?

Homes in TW20 8 sold for a typical £475,000 in the 12 months to August 2026, across 85 sales, up 3.8% on the 12 months before, HM Land Registry's figures show.

£475,000 typical price, the 12 months to August 2026
£457,500 12 months to August 2025
▲ up 3.8% on the 12 months before
  • Detached £685,000 22 sales
  • Semi-detached £482,500 30 sales
  • Terraced £423,500 28 sales
  • Flat or maisonette £180,000 5 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 TW20 8. 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 TW20 8

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.

TW20 8AATW20 8ABTW20 8AETW20 8AFTW20 8AGTW20 8AHTW20 8AJTW20 8ALTW20 8ANTW20 8APTW20 8AQTW20 8ARTW20 8ASTW20 8ATTW20 8AUTW20 8AWTW20 8AXTW20 8AYTW20 8AZTW20 8BATW20 8BGTW20 8BHTW20 8BJTW20 8BLTW20 8BNTW20 8BSTW20 8BTTW20 8BUTW20 8BWTW20 8BXTW20 8BYTW20 8BZTW20 8DATW20 8DDTW20 8DETW20 8DFTW20 8DGTW20 8DHTW20 8DLTW20 8DPTW20 8DQTW20 8DRTW20 8DSTW20 8DTTW20 8DUTW20 8DXTW20 8DYTW20 8DZTW20 8EATW20 8EBTW20 8EDTW20 8EETW20 8EFTW20 8EGTW20 8EHTW20 8EJTW20 8ELTW20 8ENTW20 8EQTW20 8ESTW20 8ETTW20 8EUTW20 8EWTW20 8EYTW20 8EZTW20 8FATW20 8FDTW20 8FLTW20 8HATW20 8HBTW20 8HDTW20 8HETW20 8HGTW20 8HHTW20 8HJTW20 8HLTW20 8HNTW20 8HPTW20 8HQTW20 8HRTW20 8HSTW20 8HTTW20 8HUTW20 8HWTW20 8HXTW20 8HYTW20 8JATW20 8JETW20 8JHTW20 8JJTW20 8JLTW20 8JNTW20 8JPTW20 8JQTW20 8JRTW20 8JSTW20 8JTTW20 8JUTW20 8JWTW20 8JXTW20 8JYTW20 8JZTW20 8LATW20 8LBTW20 8LDTW20 8LETW20 8LHTW20 8LJTW20 8LLTW20 8LNTW20 8LPTW20 8LRTW20 8LSTW20 8LTTW20 8LWTW20 8LXTW20 8NGTW20 8NHTW20 8NJTW20 8NLTW20 8NNTW20 8NPTW20 8NRTW20 8NSTW20 8NTTW20 8NUTW20 8NWTW20 8NXTW20 8PETW20 8PFTW20 8PGTW20 8PHTW20 8PQTW20 8PSTW20 8PTTW20 8QATW20 8QBTW20 8QDTW20 8QETW20 8QFTW20 8QHTW20 8QJTW20 8QLTW20 8QNTW20 8QPTW20 8QRTW20 8QSTW20 8QTTW20 8QUTW20 8QWTW20 8RBTW20 8RDTW20 8RETW20 8RFTW20 8RGTW20 8RJTW20 8RLTW20 8RNTW20 8RSTW20 8RXTW20 8RYTW20 8RZTW20 8SHTW20 8SJTW20 8SRTW20 8SSTW20 8SUTW20 8TATW20 8TDTW20 8TETW20 8TGTW20 8THTW20 8TPTW20 8TQTW20 8TWTW20 8UATW20 8UBTW20 8UDTW20 8UETW20 8UFTW20 8UGTW20 8UQTW20 8UUTW20 8XATW20 8XBTW20 8XDTW20 8XETW20 8XFTW20 8XG

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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