S21 postcode

Broadband in S21 1AQ

Killamarsh, North East Derbyshire

Gigabit broadband is available at this postcode.

Full fibre (FTTP) covers 100% of premises here.

Best speed1000 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 24 March 2026

Flood Risk

Data pending

Fibre (FTTP)

Yes (100%)

Best speed

1000 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

Gigabit broadband (1000 Mbps) is available at S21 1AQ. That covers your 14 Mbps needs with room to spare.

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Speed Test

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

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)100%
100%
100-300 Mbps
Full Fibre (FTTP)100%
100%
300-900 Mbps
Gigabit100%
100%
900-1,000 Mbps

Speed Distribution at S21 1AQ

100%
300+ Mbps (100%)

Source: Ofcom Connected Nations 2025

Digital Divide at S21 1AQ

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: E01019807

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

6.1 mi

by road

🚂

Chesterfield

7.1 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 1AQ

S21 1AQ 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 1AQ can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 100% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 100% of premises. Most homes can access gigabit speeds if they choose to. Full fibre (FTTP) is available to 100% of addresses. That puts this postcode ahead of much of the country. The maximum download speed recorded is 1000 Mbps. That is well above the UK real-world average of 69 Mbps.

Looking at the full speed profile for S21 1AQ gives a better picture of what to expect. 100% 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. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.

What do the broadband speeds at S21 1AQ mean in practice? 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 1AQ 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 1AQ 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.

0 crimes were reported near S21 1AQ in the most recent month. The level is relatively low. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

The nearest train station to S21 1AQ is Woodhouse, 3.5 miles away. You will need a car or bus to reach the station. Park-and-ride may be available. Darnall is the next closest at 6.1 miles. Chesterfield offers another option at 7.1 miles.

Properties around S21 1AQ most commonly fall into council tax 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 1AQ 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 1AQ: remote working 100/100, family 80/100, value 50/100. Strong broadband makes this area well suited to home working.

S21 1AQ falls within the North East Derbyshire local authority area. 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 1AQ is close to the area average of 97%.

How does S21 1AQ compare to its neighbours? S21 1TL (0.08 miles, North East Derbyshire) has 100% superfast coverage and 100% gigabit. S21 1DP (0.12 miles, North East Derbyshire) has 100% superfast coverage and 100% gigabit. S21 1BH (0.1 miles, North East Derbyshire) has 100% superfast coverage and 100% gigabit. S21 1DQ (0.15 miles, North East Derbyshire) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Broadband availability varies by provider and by property. At S21 1AQ, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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 1AQ? 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 1AQ, 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.

This covers the key data for S21 1AQ. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Killamarsh hub page. Bookmark this page and check back as new data arrives.

Frequently asked questions about S21 1AQ

What are the broadband speeds available at S21 1AQ?

Superfast broadband (30 Mbps+) is available to 100% of premises at S21 1AQ. Maximum download speeds reach 1000 Mbps. Ultrafast coverage is at 100%.

What is the average house price near S21 1AQ?

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

What schools are nearby in the S21 1AQ area?

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

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

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

How suitable is S21 1AQ for remote working?

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

What is the mobile signal like at S21 1AQ?

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

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

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

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

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

How accessible are GP surgeries near S21 1AQ?

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

What transport links are available near S21 1AQ?

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

Is S21 1AQ a suitable area for families?

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

What is the air quality like at S21 1AQ?

Air quality data for S21 1AQ is being updated.

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

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

Can I get full fibre broadband at S21 1AQ?

Full fibre (FTTP) is available to 100% of premises at S21 1AQ. Check with BT, Virgin Media, or local operators for availability.

Area suitability scores

S21 1AQ

Remote Worker

100

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

E01019807

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