S21 postcode
Broadband in S21 1EL
Killamarsh, North East Derbyshire
Gigabit broadband is available at this postcode.
Full fibre (FTTP) covers 20% of premises here.
Free, independent comparison · Ofcom verified data · Updated 21 March 2026
Flood Risk
Data pending
Fibre (FTTP)
Yes (20%)
Best speed
1000 Mbps
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
HD uses ~5 Mbps per person. 4K uses ~25 Mbps.
Each person on calls needs around 10 Mbps.
Competitive gaming needs low latency as much as raw speed.
Cameras, thermostats, speakers and similar devices each use a few Mbps.
Gigabit broadband (1000 Mbps) is available at S21 1EL. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at S21 1EL.
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Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 20% | 20% | 100-300 Mbps |
| Full Fibre (FTTP) | 20% | 20% | 300-900 Mbps |
| Gigabit | 20% | 20% | 900-1,000 Mbps |
Speed Distribution at S21 1EL
Source: Ofcom Connected Nations 2025
Digital Divide at S21 1EL
Fibre-to-cabinet or better
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Crime summary
Based on Police.uk data for 2025-12Total crimes last month: 0
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Area demographics
Data for LSOA:
Population
N/A
Census 2021
Density
N/A
per km² · Unknown
Median Age
N/A
years (est.)
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01019802
Overall IMD Decile
N/A / 10
N/A
Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on (2019 boundaries).
| Domain | Decile | Rank | Assessment |
|---|---|---|---|
| Income | N/A | N/A | N/A |
| Employment | N/A | N/A | N/A |
| Education | N/A | N/A | N/A |
| Health | N/A | N/A | N/A |
| Crime | N/A | N/A | N/A |
Transport links
Nearest train stations and towns
Nearest train stations
Woodhouse
3.1 mi
by road
Darnall
5.8 mi
by road
Sheffield
7.1 mi
by road
Council tax bands
Band distribution for North East Derbyshire
Most common: Band C
~£1,841/yr · North East Derbyshire
Annual council tax estimates for North East Derbyshire, 2024/25
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S21 1EL sits in Killamarsh, part of North East Derbyshire. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.
100% of premises at S21 1EL can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 20% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 20% of premises. Gigabit is available but not yet widespread at this postcode. Full fibre (FTTP) is available to 20% of addresses. FTTP rollout is underway but not yet complete. The maximum download speed recorded is 1000 Mbps. That is well above the UK real-world average of 69 Mbps.
Here is how broadband speeds break down across premises at S21 1EL. 80% of connections fall in the 30 to 300 Mbps range. 20% of connections fall in the 300 Mbps or faster range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
Translating the numbers at S21 1EL into daily use gives a clearer picture. Multiple 4K streams can run simultaneously. Netflix, Disney+, and iPlayer should all work without buffering even with several devices active. Remote working is viable here. Video conferencing, cloud documents, and VPN connections should all perform well.
FWA broadband has not reached S21 1EL yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at S21 1EL fall below the Universal Service Obligation of 10 Mbps. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.
In the latest month of data, 0 offences were recorded in this LSOA area. That is relatively low for England and Wales. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
Woodhouse station is the closest rail link at 3.1 miles from S21 1EL. You will need a car or bus to reach the station. Park-and-ride may be available. Darnall is the next closest at 5.8 miles. Sheffield offers another option at 7.1 miles.
The most common council tax band near S21 1EL is Band C. The billing authority is North East Derbyshire. The three most common bands are A (30%), B (25%), C (20%). Band A corresponds to 1991 property values of up to £40,000. Current values are typically much higher. The concentration in lower bands suggests a mix of smaller and mid-range properties.
Outdoor 4G mobile signal at S21 1EL is available across 99% of the area. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. 5G has not yet reached this postcode. Coverage is expanding but remains concentrated in urban centres. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network.
Suitability scores for S21 1EL: remote working 100/100, family 80/100, value 50/100. Strong broadband makes this area well suited to home working.
The local authority for S21 1EL is North East Derbyshire. The immediate area is Killamarsh, a distinct community within the wider district. The S21 postcode area contains 455 postcodes on this site. Superfast broadband across S21 ranges from 0% to 100%. S21 1EL is close to the area average of 97%.
How does S21 1EL compare to its neighbours? S21 1ER (0.1 miles, North East Derbyshire) has 100% superfast coverage and 0% gigabit. S21 1DD (0.12 miles, North East Derbyshire) has 100% superfast coverage and 100% gigabit. S21 1DY (0.13 miles, North East Derbyshire) has 100% superfast coverage and 100% gigabit. S21 1AL (0.11 miles, North East Derbyshire) has 100% superfast coverage and 61.1% gigabit. Coverage is broadly similar across these neighbouring postcodes.
When choosing a broadband provider at S21 1EL, check what technology reaches your specific address. Availability varies by street and sometimes by building. Where full fibre is available, it typically offers faster and more reliable service than part-fibre connections. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.
Life in Killamarsh depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering S21 1EL? Both fixed and mobile connectivity are strong. Backup options exist if one connection fails.
Data sources include Ofcom (broadband and mobile), Land Registry (house prices), Police.uk (crime), Ofsted (schools), Environment Agency (flood risk), and Open-Meteo (air quality). Council tax data comes from the Valuation Office Agency. EPC data is from DLUHC. Transport data uses NaPTAN. Speed distribution figures are from Ofcom Connected Nations. All figures are the latest available at the time of writing.
Before making a decision about S21 1EL, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
S21 1EL in Killamarsh: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
Frequently asked questions about S21 1EL
What are the broadband speeds available at S21 1EL?
Superfast broadband (30 Mbps+) is available to 100% of premises at S21 1EL. Maximum download speeds reach 1000 Mbps. Ultrafast coverage is at 20%.
What is the average house price near S21 1EL?
No recent house price data is available for S21 1EL.
What schools are nearby in the S21 1EL area?
School data for S21 1EL is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in S21 1EL compare to other areas?
0 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is S21 1EL for remote working?
S21 1EL scores 100/100 for remote working suitability. Strong broadband makes it well suited.
What is the mobile signal like at S21 1EL?
4G outdoor coverage at S21 1EL is 99%. 5G reaches 0%. Indoor coverage may be lower.
What is the most common energy efficiency rating near S21 1EL?
EPC data for S21 1EL is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at S21 1EL?
The most common council tax band near S21 1EL is Band C. The billing authority is North East Derbyshire.
How accessible are GP surgeries near S21 1EL?
GP surgery data for S21 1EL is being updated. Check NHS.uk for the latest.
What transport links are available near S21 1EL?
The nearest train station to S21 1EL is Woodhouse, 3.1 miles away. Darnall is also nearby.
Is S21 1EL a suitable area for families?
S21 1EL scores 80/100 for family suitability. Good schools and low crime contribute to a high score.
What is the air quality like at S21 1EL?
Air quality data for S21 1EL is being updated.
How far is the nearest EV charging point from S21 1EL?
EV charging data for S21 1EL is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at S21 1EL?
Full fibre (FTTP) is available to 20% of premises at S21 1EL. Check with BT, Virgin Media, or local operators for availability.
Area suitability scores
S21 1ELRemote Worker
100Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
80Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Killamarsh
District
North East Derbyshire
Region
Constituency
LSOA
E01019802
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