S21 2 postcode sector in the S21 district

S21 2 is a sector of the S21 district: every postcode that starts S21 2. It has 31 postcodes in use.

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

Every postcode in the S21 2 sector, by flood risk

Map of every postcode in the S21 2 sector, by flood risk Of the 31 postcodes in the S21 2 sector that ONS places, 2 are at low risk at worst and 29 are not on the Environment Agency's at-risk list. Places named: Killamarsh East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A618 S21 2AB: not on the flood risk listS21 2AD: not on the flood risk listS21 2AE: not on the flood risk listS21 2AT: not on the flood risk listS21 2BB: not on the flood risk listS21 2BU: not on the flood risk listS21 2BW: not on the flood risk listS21 2BX: not on the flood risk listS21 2BY: not on the flood risk listS21 2DD: not on the flood risk listS21 2DE: not on the flood risk listS21 2DF: not on the flood risk listS21 2DJ: not on the flood risk listS21 2DL: not on the flood risk listS21 2DT: not on the flood risk listS21 2DX: not on the flood risk listS21 2EA: not on the flood risk listS21 2EG: not on the flood risk listS21 2EH: not on the flood risk listS21 2EW: not on the flood risk listS21 2EX: not on the flood risk listS21 2EZ: not on the flood risk listS21 2FA: not on the flood risk listS21 2HB: not on the flood risk listS21 2JF: not on the flood risk listS21 2JG: not on the flood risk listS21 2JH: not on the flood risk listS21 2JU: not on the flood risk listS21 2JW: not on the flood risk listS21 2DR: low flood risk at worstS21 2DS: low flood risk at worst Killamarsh East Map of every postcode in the S21 2 sector, by flood risk Of the 31 postcodes in the S21 2 sector that ONS places, 2 are at low risk at worst and 29 are not on the Environment Agency's at-risk list. Places named: Killamarsh East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A618 Killamarsh East
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 29

Of the 31 postcodes in the S21 2 sector that ONS places, 2 are at low risk at worst and 29 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 S21 2?

Homes in S21 2 sold for a typical £209,750 in the 12 months to August 2026, across 16 sales, up 29.5% on the 12 months before, HM Land Registry's figures show.

£209,750 typical price, the 12 months to August 2026
£162,000 12 months to August 2025
▲ up 29.5% on the 12 months before
  • Detached £270,000 5 sales
  • Semi-detached £157,000 9 sales
  • Terraced 2 sales, 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 S21 2. 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 S21 2

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.

S21 2ABS21 2ADS21 2AES21 2ATS21 2BBS21 2BUS21 2BWS21 2BXS21 2BYS21 2DDS21 2DES21 2DFS21 2DJS21 2DLS21 2DRS21 2DSS21 2DTS21 2DXS21 2EAS21 2EGS21 2EHS21 2EWS21 2EXS21 2EZS21 2FAS21 2HBS21 2JFS21 2JGS21 2JHS21 2JUS21 2JW

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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