S26 postcode district: Swallownest and Aston and around, Rotherham
S26 is a postcode district in England, with 548 postcodes in use in 7 sectors. It has postcodes in Swallownest and Aston, Kiveton Park, Harthill and 1 more place. Its council is Rotherham.
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in S26, and which are new since 2020
- New since 2020: 27
- In use before 2020: 521
- Outline: where 5 or more new postcodes since 2020 lie together
Of the 548 postcodes in S26 that ONS places, 27 are new since 2020 and 521 were in use before 2020.
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. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 160 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.
The middle of its postcodes: latitude 53.3521, longitude -1.2910. Open this area on OpenStreetMap
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; 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 5 newest postcodes
Where the new postcodes lie together
- 10 new postcodes since 2020, outlined on the map. S26 5AN, is the newest of them.
What broadband can you get in S26?
Ofcom reports on 542 of the 548 postcodes in S26. At 467 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).
Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.
Check one address on Ofcom's checkerSource: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it
Is S26 at risk of flooding?
6 of the 548 postcodes in S26 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 8 homes and businesses in an area at high or medium risk.
High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.
Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.
Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it
What do homes sell for in S26?
Homes in S26 sold for a typical £215,000 in the 12 months to August 2026, across 251 sales, down 12.8% on the 12 months before, HM Land Registry's figures show.
- Detached £330,000 79 sales
- Semi-detached £200,000 127 sales
- Terraced £142,500 41 sales
- Flat or maisonette 4 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. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.
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 S26
Pick a sector, then a postcode. A sector is the district plus the next digit.
Places in S26
Towns and villages with postcodes in S26, and how many each has here.
Who covers S26
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
- Rotherham548
Constituencies
- Rother Valley548
Police force areas
- South Yorkshire548
Next to S26
"Next to" is by number: the districts before and after S26 in the S area.
Check a postcode
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