S25 1 postcode sector in the S25 district

S25 1 is a sector of the S25 district: every postcode that starts S25 1. It has 36 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 S25 1 sector, by flood risk

Map of every postcode in the S25 1 sector, by flood risk Of the 36 postcodes in the S25 1 sector that ONS places, 1 have a home or business at high risk and 35 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Dinnington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. S25 1AA: not on the flood risk listS25 1AB: not on the flood risk listS25 1AD: not on the flood risk listS25 1XA: not on the flood risk listS25 1XZ: not on the flood risk listS25 1YB: not on the flood risk listS25 1YD: not on the flood risk listS25 1YE: not on the flood risk listS25 1YF: not on the flood risk listS25 1YG: not on the flood risk listS25 1YH: not on the flood risk listS25 1YJ: not on the flood risk listS25 1YL: not on the flood risk listS25 1YN: not on the flood risk listS25 1YP: not on the flood risk listS25 1YQ: not on the flood risk listS25 1YR: not on the flood risk listS25 1YS: not on the flood risk listS25 1YT: not on the flood risk listS25 1YU: not on the flood risk listS25 1YW: not on the flood risk listS25 1YX: not on the flood risk listS25 1YY: not on the flood risk listS25 1YZ: not on the flood risk listS25 1ZA: not on the flood risk listS25 1ZB: not on the flood risk listS25 1ZD: not on the flood risk listS25 1ZE: not on the flood risk listS25 1ZF: not on the flood risk listS25 1ZG: not on the flood risk listS25 1ZH: not on the flood risk listS25 1ZJ: not on the flood risk listS25 1ZQ: not on the flood risk listS25 1ZY: not on the flood risk listS25 1YA: high flood risk Dinnington Map of every postcode in the S25 1 sector, by flood risk Of the 36 postcodes in the S25 1 sector that ONS places, 1 have a home or business at high risk and 35 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Dinnington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Dinnington
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 35

Of the 36 postcodes in the S25 1 sector that ONS places, 1 have a home or business at high risk 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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. 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

The postcodes at high risk

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

S25 1YA4 at high risk

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

S25 1ZX

What do homes sell for in S25 1?

Homes in S25 1 sold for a typical £285,000 in the 12 months to August 2026, across 13 sales, down 22.2% on the 12 months before, HM Land Registry's figures show.

£285,000 typical price, the 12 months to August 2026
£366,500 12 months to August 2025
▼ down 22.2% on the 12 months before
  • Detached £285,000 7 sales
  • Semi-detached 4 sales, too few to price
  • Terraced 1 sale, too few to price
  • Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start S25 1. 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 S25 1

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.

S25 1AAS25 1ABS25 1ADS25 1XAS25 1XZS25 1YAS25 1YBS25 1YDS25 1YES25 1YFS25 1YGS25 1YHS25 1YJS25 1YLS25 1YNS25 1YPS25 1YQS25 1YRS25 1YSS25 1YTS25 1YUS25 1YWS25 1YXS25 1YYS25 1YZS25 1ZAS25 1ZBS25 1ZDS25 1ZES25 1ZFS25 1ZGS25 1ZHS25 1ZJS25 1ZQS25 1ZXS25 1ZY

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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