RG17 8 postcode sector in the RG17 district

RG17 8 is a sector of the RG17 district: every postcode that starts RG17 8. It has 107 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 RG17 8 sector, by flood risk

Map of every postcode in the RG17 8 sector, by flood risk Of the 107 postcodes in the RG17 8 sector that ONS places, 8 have a home or business at high risk, 4 are at medium risk at worst, 1 are at low risk at worst and 94 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 5 postcodes at high or medium risk. Places named: Lambourn. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M4 RG17 8AA: not on the flood risk listRG17 8AB: not on the flood risk listRG17 8AD: not on the flood risk listRG17 8BP: not on the flood risk listRG17 8FA: not on the flood risk listRG17 8FB: not on the flood risk listRG17 8LA: not on the flood risk listRG17 8LZ: not on the flood risk listRG17 8NA: not on the flood risk listRG17 8ND: not on the flood risk listRG17 8NE: not on the flood risk listRG17 8NG: not on the flood risk listRG17 8NH: not on the flood risk listRG17 8NJ: not on the flood risk listRG17 8NL: not on the flood risk listRG17 8NN: not on the flood risk listRG17 8NP: not on the flood risk listRG17 8NQ: not on the flood risk listRG17 8NR: not on the flood risk listRG17 8NT: not on the flood risk listRG17 8NU: not on the flood risk listRG17 8NW: not on the flood risk listRG17 8NX: not on the flood risk listRG17 8NZ: not on the flood risk listRG17 8PA: not on the flood risk listRG17 8PB: not on the flood risk listRG17 8PD: not on the flood risk listRG17 8PF: not on the flood risk listRG17 8PH: not on the flood risk listRG17 8PJ: not on the flood risk listRG17 8PL: not on the flood risk listRG17 8PN: not on the flood risk listRG17 8PP: not on the flood risk listRG17 8PR: not on the flood risk listRG17 8PS: not on the flood risk listRG17 8PT: not on the flood risk listRG17 8PU: not on the flood risk listRG17 8PX: not on the flood risk listRG17 8PY: not on the flood risk listRG17 8PZ: not on the flood risk listRG17 8QA: not on the flood risk listRG17 8QB: not on the flood risk listRG17 8QD: not on the flood risk listRG17 8QE: not on the flood risk listRG17 8QF: not on the flood risk listRG17 8QG: not on the flood risk listRG17 8QJ: not on the flood risk listRG17 8QP: not on the flood risk listRG17 8QQ: not on the flood risk listRG17 8QR: not on the flood risk listRG17 8QT: not on the flood risk listRG17 8QU: not on the flood risk listRG17 8QW: not on the flood risk listRG17 8QX: not on the flood risk listRG17 8RA: not on the flood risk listRG17 8RB: not on the flood risk listRG17 8RD: not on the flood risk listRG17 8RE: not on the flood risk listRG17 8RF: not on the flood risk listRG17 8UB: not on the flood risk listRG17 8UE: not on the flood risk listRG17 8UF: not on the flood risk listRG17 8UG: not on the flood risk listRG17 8UH: not on the flood risk listRG17 8XF: not on the flood risk listRG17 8XG: not on the flood risk listRG17 8XH: not on the flood risk listRG17 8XJ: not on the flood risk listRG17 8XL: not on the flood risk listRG17 8XP: not on the flood risk listRG17 8XQ: not on the flood risk listRG17 8XU: not on the flood risk listRG17 8XZ: not on the flood risk listRG17 8YA: not on the flood risk listRG17 8YD: not on the flood risk listRG17 8YE: not on the flood risk listRG17 8YF: not on the flood risk listRG17 8YG: not on the flood risk listRG17 8YH: not on the flood risk listRG17 8YJ: not on the flood risk listRG17 8YL: not on the flood risk listRG17 8YN: not on the flood risk listRG17 8YP: not on the flood risk listRG17 8YQ: not on the flood risk listRG17 8YS: not on the flood risk listRG17 8YU: not on the flood risk listRG17 8YW: not on the flood risk listRG17 8YX: not on the flood risk listRG17 8YY: not on the flood risk listRG17 8YZ: not on the flood risk listRG17 8QZ: low flood risk at worstRG17 8PG: medium flood risk at worstRG17 8XS: medium flood risk at worstRG17 8XT: medium flood risk at worstRG17 8XY: medium flood risk at worstRG17 8PE: high flood riskRG17 8PQ: high flood riskRG17 8QH: high flood riskRG17 8QN: high flood riskRG17 8RG: high flood riskRG17 8YB: high flood riskRG17 8YR: high flood riskRG17 8YT: high flood risk Lambourn 5 postcodes at high or medium risk, outlined: this goes to RG17 8PE, the one with most homes and businesses at high risk5 postcodes at high or medium risk Map of every postcode in the RG17 8 sector, by flood risk Of the 107 postcodes in the RG17 8 sector that ONS places, 8 have a home or business at high risk, 4 are at medium risk at worst, 1 are at low risk at worst and 94 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 5 postcodes at high or medium risk. Places named: Lambourn. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Lambourn
  • A home or business at high risk: 8
  • At medium risk at worst: 4
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 94
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 107 postcodes in the RG17 8 sector that ONS places, 8 have a home or business at high risk, 4 are at medium risk at worst, 1 are at low risk at worst and 94 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

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 RG17 8?

Homes in RG17 8 sold for a typical £333,335 in the 12 months to August 2026, across 44 sales, up 5.6% on the 12 months before, HM Land Registry's figures show.

£333,335 typical price, the 12 months to August 2026
£315,750 12 months to August 2025
▲ up 5.6% on the 12 months before
  • Detached £550,000 13 sales
  • Semi-detached £322,500 20 sales
  • Terraced £284,875 10 sales
  • Flat or maisonette 1 sale, too few to price

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 RG17 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

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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