SN3 0 postcode sector in the SN3 district

SN3 0 is a sector of the SN3 district: every postcode that starts SN3 0. It has 20 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the SN3 0 sector, by flood risk

Map of every postcode in the SN3 0 sector, by flood risk Of the 20 postcodes in the SN3 0 sector that ONS places, 20 are not on the Environment Agency's at-risk list. Places named: Chiseldon & Ridgeway. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SN3 0AD: not on the flood risk listSN3 0AE: not on the flood risk listSN3 0AF: not on the flood risk listSN3 0AG: not on the flood risk listSN3 0AH: not on the flood risk listSN3 0AJ: not on the flood risk listSN3 0AL: not on the flood risk listSN3 0AN: not on the flood risk listSN3 0AP: not on the flood risk listSN3 0AQ: not on the flood risk listSN3 0AS: not on the flood risk listSN3 0AT: not on the flood risk listSN3 0AU: not on the flood risk listSN3 0AW: not on the flood risk listSN3 0AX: not on the flood risk listSN3 0BA: not on the flood risk listSN3 0BB: not on the flood risk listSN3 0BD: not on the flood risk listSN3 0BE: not on the flood risk listSN3 0BF: not on the flood risk list Chiseldon & Ridgeway Map of every postcode in the SN3 0 sector, by flood risk Of the 20 postcodes in the SN3 0 sector that ONS places, 20 are not on the Environment Agency's at-risk list. Places named: Chiseldon & Ridgeway. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Chiseldon & Ridgeway
  • 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: 20

Of the 20 postcodes in the SN3 0 sector that ONS places, 20 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. Names in italics are council wards: we hold no town or village names here.

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

What do homes sell for in SN3 0?

HM Land Registry records one sale of homes in SN3 0 in the 12 months to August 2026: too few to give a typical price.

  • Semi-detached 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start SN3 0. 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 SN3 0

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.

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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