TW17 9 postcode sector in the TW17 district

TW17 9 is a sector of the TW17 district: every postcode that starts TW17 9. It has 101 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 TW17 9 sector, by flood risk

Map of every postcode in the TW17 9 sector, by flood risk Of the 101 postcodes in the TW17 9 sector that ONS places, 32 have a home or business at high risk, 14 are at medium risk at worst, 20 are at low risk at worst and 35 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 14 postcodes at high or medium risk; 13 postcodes at high or medium risk. Places named: Shepperton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M3 TW17 9AA: not on the flood risk listTW17 9AB: not on the flood risk listTW17 9AE: not on the flood risk listTW17 9AF: not on the flood risk listTW17 9AP: not on the flood risk listTW17 9AR: not on the flood risk listTW17 9AT: not on the flood risk listTW17 9AU: not on the flood risk listTW17 9AW: not on the flood risk listTW17 9AY: not on the flood risk listTW17 9BD: not on the flood risk listTW17 9BE: not on the flood risk listTW17 9BF: not on the flood risk listTW17 9BN: not on the flood risk listTW17 9BU: not on the flood risk listTW17 9BW: not on the flood risk listTW17 9BX: not on the flood risk listTW17 9BZ: not on the flood risk listTW17 9DA: not on the flood risk listTW17 9DB: not on the flood risk listTW17 9DH: not on the flood risk listTW17 9DN: not on the flood risk listTW17 9EA: not on the flood risk listTW17 9EJ: not on the flood risk listTW17 9EL: not on the flood risk listTW17 9EQ: not on the flood risk listTW17 9ES: not on the flood risk listTW17 9EW: not on the flood risk listTW17 9HG: not on the flood risk listTW17 9HN: not on the flood risk listTW17 9HT: not on the flood risk listTW17 9JU: not on the flood risk listTW17 9JX: not on the flood risk listTW17 9LE: not on the flood risk listTW17 9AD: low flood risk at worstTW17 9AG: low flood risk at worstTW17 9AH: low flood risk at worstTW17 9AJ: low flood risk at worstTW17 9AQ: low flood risk at worstTW17 9BG: low flood risk at worstTW17 9BT: low flood risk at worstTW17 9DJ: low flood risk at worstTW17 9DL: low flood risk at worstTW17 9DP: low flood risk at worstTW17 9DQ: low flood risk at worstTW17 9DW: low flood risk at worstTW17 9EB: low flood risk at worstTW17 9ED: low flood risk at worstTW17 9EE: low flood risk at worstTW17 9EP: low flood risk at worstTW17 9ER: low flood risk at worstTW17 9EZ: low flood risk at worstTW17 9NJ: low flood risk at worstTW17 9AL: medium flood risk at worstTW17 9BH: medium flood risk at worstTW17 9BJ: medium flood risk at worstTW17 9BS: medium flood risk at worstTW17 9HL: medium flood risk at worstTW17 9HP: medium flood risk at worstTW17 9HX: medium flood risk at worstTW17 9HZ: medium flood risk at worstTW17 9LB: medium flood risk at worstTW17 9LD: medium flood risk at worstTW17 9LF: medium flood risk at worstTW17 9NL: medium flood risk at worstTW17 9NW: medium flood risk at worstTW17 9NX: medium flood risk at worstTW17 9BL: high flood riskTW17 9BQ: high flood riskTW17 9HB: high flood riskTW17 9HH: high flood riskTW17 9HJ: high flood riskTW17 9HQ: high flood riskTW17 9HS: high flood riskTW17 9HU: high flood riskTW17 9HY: high flood riskTW17 9JA: high flood riskTW17 9JB: high flood riskTW17 9JR: high flood riskTW17 9JS: high flood riskTW17 9JT: high flood riskTW17 9JW: high flood riskTW17 9JY: high flood riskTW17 9JZ: high flood riskTW17 9LA: high flood riskTW17 9LG: high flood riskTW17 9LH: high flood riskTW17 9LJ: high flood riskTW17 9LL: high flood riskTW17 9LN: high flood riskTW17 9LP: high flood riskTW17 9LQ: high flood riskTW17 9LW: high flood riskTW17 9NN: high flood riskTW17 9NP: high flood riskTW17 9NS: high flood riskTW17 9NT: high flood riskTW17 9NU: high flood riskTW17 9PB: high flood risk Shepperton 14 postcodes at high or medium risk, outlined: this goes to TW17 9LG, the one with most homes and businesses at high risk14 postcodes at high or medium risk13 postcodes at high or medium risk, outlined: this goes to TW17 9HH, the one with most homes and businesses at high risk13 postcodes at high or medium risk Map of every postcode in the TW17 9 sector, by flood risk Of the 101 postcodes in the TW17 9 sector that ONS places, 32 have a home or business at high risk, 14 are at medium risk at worst, 20 are at low risk at worst and 35 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 14 postcodes at high or medium risk; 13 postcodes at high or medium risk. Places named: Shepperton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M3 Shepperton
  • A home or business at high risk: 32
  • At medium risk at worst: 14
  • At low risk at worst: 20
  • At very low risk only: 0
  • Not on the at-risk list: 35
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 101 postcodes in the TW17 9 sector that ONS places, 32 have a home or business at high risk, 14 are at medium risk at worst, 20 are at low risk at worst and 35 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

32 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.

Where the postcodes at high or medium risk lie together

What do homes sell for in TW17 9?

Homes in TW17 9 sold for a typical £567,500 in the 12 months to August 2026, across 36 sales, down 4.8% on the 12 months before, HM Land Registry's figures show.

£567,500 typical price, the 12 months to August 2026
£596,000 12 months to August 2025
▼ down 4.8% on the 12 months before
  • Detached £860,000 15 sales
  • Semi-detached £560,000 5 sales
  • Terraced £472,500 8 sales
  • Flat or maisonette £221,500 8 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 TW17 9. 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

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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