S21
Postcode districtPostcode district covering Killamarsh, Eckington and Westthorpe, in North East Derbyshire.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an S21 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In S21, 87.5% of homes and businesses could get gigabit-capable broadband in January 2026.
How S21 compares
Each dot is a postcode district. The black line marks the middle one.
Is S21 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in S21 at a rate of 69.6 per 1,000 people.
That compares with 109.1 per 1,000 people across S.
In August 2026 alone, 124 cases of crime and anti-social behaviour were recorded in S21.
In the 12 months to August 2026, the most common types were violence and sexual offences (627), other crime (237) and anti-social behaviour (213).
A year earlier, the recorded crime rate in S21 was 62.2 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in S21, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so S21 has no single figure. Of its 13 neighbourhoods with a rank:
- Decile 2: 1 neighbourhood
- Decile 3: 2 neighbourhoods
- Decile 4: 1 neighbourhood
- Decile 5: 3 neighbourhoods
- Decile 6: 2 neighbourhoods
- Decile 7: 1 neighbourhood
- Decile 8: 2 neighbourhoods
- Decile 9: 1 neighbourhood
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in S21
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| North East Derbyshire 001A | 1,130 | 50.3 per 1,000 | 6 | 92.9% |
| North East Derbyshire 001B | 1,344 | 63.4 per 1,000 | 6 | 92.9% |
| North East Derbyshire 001C | 1,287 | 70.5 per 1,000 | 3 | 89.0% |
| North East Derbyshire 001D | 1,260 | 15.8 per 1,000 | 8 | 25.5% |
| North East Derbyshire 001E | 1,337 | 36.3 per 1,000 | 8 | 60.6% |
| North East Derbyshire 001F | 1,438 | 63.8 per 1,000 | 7 | 86.3% |
| North East Derbyshire 001G | 1,463 | 76.6 per 1,000 | 2 | 96.0% |
| North East Derbyshire 002C | 1,789 | 37.0 per 1,000 | 9 | 97.9% |
| North East Derbyshire 002D | 1,747 | 64.4 per 1,000 | 5 | 76.7% |
| North East Derbyshire 014A | 1,961 | 77.4 per 1,000 | 5 | 92.0% |
| North East Derbyshire 014B | 2,050 | 87.8 per 1,000 | 3 | 99.7% |
| North East Derbyshire 014C | 2,662 | 103.3 per 1,000 | 5 | 88.0% |
| North East Derbyshire 014D | 1,633 | 115.0 per 1,000 | 4 | 96.5% |
MPs for S21
- Louise Sandher-JonesLabourMP for North East Derbyshire99% of S21’s postcodes
- Natalie FleetLabourMP for Bolsover1.5% of S21’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in S212
Postcode sectors in S215
Council1
Towns in S211
Postcode districts next to S215
Nearest rail stations4
More in the S postcode area2
S21 in brief
S21 is a postcode district covering Killamarsh, Eckington and Westthorpe, in North East Derbyshire.
About 20,371 people lived in S21 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £200,000 in 2025 across 256 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 69.6 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in S21 was £200,000 in 2025.
S21 had 20,248 usual residents at the census.
In S21, 87.5% of homes and businesses could get gigabit-capable broadband in January 2026.
In S21, 2.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.