S21 postcode

Broadband in S21 1GB

Killamarsh, North East Derbyshire

Superfast broadband covers 100% of premises here.

Best speed300 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 24 March 2026

Flood Risk

Data pending

Fibre (FTTP)

No

Best speed

300 Mbps

Reviewed by Sage MitchellData last verified: 24 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

The best available speed at S21 1GB is 300 Mbps. That covers your 14 Mbps estimate.

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Speed Test

Check your current download speed and see how it compares to what is available at S21 1GB.

The test downloads a 2 MB file from our server and measures how long it takes.

This test measures download speed only. Results vary depending on network conditions.

Broadband availability

Source: Ofcom Connected Nations 2025 (Jul 2025)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)0%
0%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit0%
0%
900-1,000 Mbps

Speed Distribution at S21 1GB

100%
30–300 Mbps (100%)

Source: Ofcom Connected Nations 2025

Digital Divide at S21 1GB

Below USO (can't get 10/1 Mbps)0%
Unable to receive 30 Mbps (no superfast)0%
Next Generation Access (NGA) coverage100%

Fibre-to-cabinet or better

Decent broadband via Fixed Wireless (FWA)0%

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

99%

4G Indoor

85%

5G Outdoor

0%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025 · Data at local authority area level

Crime summary

Based on Police.uk data for 2025-12

Total 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.)

Census 2021 (ONS)

Deprivation index (IMD)

English Indices of Deprivation 2019 · LSOA: E01019804

Overall IMD Decile

N/A / 10

N/A

Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on (2019 boundaries).

DomainDecileRankAssessment
IncomeN/AN/AN/A
EmploymentN/AN/AN/A
EducationN/AN/AN/A
HealthN/AN/AN/A
CrimeN/AN/AN/A
English Indices of Deprivation 2019 (MHCLG)

Transport links

Nearest train stations and towns

Nearest train stations

🚂

Woodhouse

3.5 mi

by road

🚂

Darnall

6.0 mi

by road

🚂

Chesterfield

6.7 mi

by road

NaPTAN · Straight-line distances

Council tax bands

Band distribution for North East Derbyshire

C

Most common: Band C

1,841/yr · North East Derbyshire

A
30%£1,381
B
25%£1,611
C
20%£1,841
D
15%£2,071
E
5%£2,531
F
3%£2,991
G
2%£3,452

Annual council tax estimates for North East Derbyshire, 2024/25

VOA 2025

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Living near S21 1GB

Killamarsh is home to S21 1GB. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.

Superfast broadband (30 Mbps+) coverage at S21 1GB stands at 100%. That is above the UK average of 93%. The maximum download speed recorded is 300 Mbps. That is well above the UK real-world average of 69 Mbps.

Looking at the full speed profile for S21 1GB gives a better picture of what to expect. 100% of connections fall in the 30 to 300 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.

Translating the numbers at S21 1GB 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.

Fixed Wireless Access is not currently available at S21 1GB. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

The USO guarantees every UK home at least 10 Mbps. At S21 1GB, 0% of properties do not meet this threshold. 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.

Crime in the LSOA covering S21 1GB totalled 0 offences last month. This is a relatively low figure. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

Woodhouse station is the closest rail link at 3.5 miles from S21 1GB. You will need a car or bus to reach the station. Park-and-ride may be available. Darnall is the next closest at 6 miles. Chesterfield offers another option at 6.7 miles.

The most common council tax band near S21 1GB 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 1GB 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 1GB: remote working 95/100, family 80/100, value 50/100. Strong broadband makes this area well suited to home working.

The local authority for S21 1GB 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 1GB is close to the area average of 97%.

How does S21 1GB compare to its neighbours? S21 1GD (0.07 miles, North East Derbyshire) has 100% superfast coverage and 0% gigabit. S21 1GE (0.13 miles, North East Derbyshire) has 100% superfast coverage and 0% gigabit. S21 1GA (0.09 miles, North East Derbyshire) has 100% superfast coverage and 0% gigabit. S21 1GF (0.14 miles, North East Derbyshire) has 100% superfast coverage and 0% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Broadband availability varies by provider and by property. At S21 1GB, check individual coverage tools from BT, Sky, Virgin Media, and local operators. If fibre is unavailable, consider 4G home broadband or satellite as alternatives. Speeds may still be adequate for most uses. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.

Killamarsh offers a mix of residential properties and local amenities. The character of any area is best judged in person.

Looking at the overall picture for S21 1GB, a few things are worth highlighting. 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 1GB, 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.

That is the full data picture for S21 1GB in Killamarsh. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.

Frequently asked questions about S21 1GB

What are the broadband speeds available at S21 1GB?

Superfast broadband (30 Mbps+) is available to 100% of premises at S21 1GB. Maximum download speeds reach 300 Mbps.

What is the average house price near S21 1GB?

No recent house price data is available for S21 1GB.

What schools are nearby in the S21 1GB area?

School data for S21 1GB is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in S21 1GB compare to other areas?

0 offences were recorded in this LSOA area in the latest month. This is relatively low.

How suitable is S21 1GB for remote working?

S21 1GB scores 95/100 for remote working suitability. Strong broadband makes it well suited.

What is the mobile signal like at S21 1GB?

4G outdoor coverage at S21 1GB is 99%. 5G reaches 0%. Indoor coverage may be lower.

What is the most common energy efficiency rating near S21 1GB?

EPC data for S21 1GB is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at S21 1GB?

The most common council tax band near S21 1GB is Band C. The billing authority is North East Derbyshire.

How accessible are GP surgeries near S21 1GB?

GP surgery data for S21 1GB is being updated. Check NHS.uk for the latest.

What transport links are available near S21 1GB?

The nearest train station to S21 1GB is Woodhouse, 3.5 miles away. Darnall is also nearby.

Is S21 1GB a suitable area for families?

S21 1GB scores 80/100 for family suitability. Good schools and low crime contribute to a high score.

What is the air quality like at S21 1GB?

Air quality data for S21 1GB is being updated.

How far is the nearest EV charging point from S21 1GB?

EV charging data for S21 1GB is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at S21 1GB?

Full fibre availability at S21 1GB is being updated. Check Openreach for the latest rollout status.

Area suitability scores

S21 1GB

Remote Worker

95

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

80

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Killamarsh

District

North East Derbyshire

Region

Constituency

LSOA

E01019804

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