DN21 postcode

Broadband in DN21 1EB

Gainsborough, West Lindsey

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 24 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Arthur TuringData 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 (Gigabit (1Gbps+)) is available at DN21 1EB. 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 DN21 1EB.

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)14%
14%
10-20 Mbps
Superfast (30+ Mbps)14%
14%
30-80 Mbps
Ultrafast (100+ Mbps)14%
14%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit14%
14%
900-1,000 Mbps

Speed Distribution at DN21 1EB

2–5 Mbps (86%)
300+ Mbps (14%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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Flood risk

🟠

Flood risk: Medium

This postcode is in undefined — medium risk of flooding from rivers and sea.

Flood Zone

Risk Level

Medium

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for West Lindsey

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near DN21 1EB

Looking at DN21 1EB in Gainsborough? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.

Superfast broadband (30 Mbps+) coverage at DN21 1EB stands at 14.3%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 14.3% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 14.3% of premises. Gigabit is available but not yet widespread at this postcode.

Looking at the full speed profile for DN21 1EB gives a better picture of what to expect. 85.7% of connections fall in the 2 to 5 Mbps range. 14.3% of connections fall in the 300 Mbps or faster range. 86% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming.

What do the broadband speeds at DN21 1EB mean in practice? Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours. Limited superfast coverage means remote workers should test their connection carefully. Video calls may drop or pixelate. A mobile hotspot can serve as a backup. The concentration of slow connections here is significant. For households that depend on the internet, checking real speeds before moving is essential. Satellite broadband via Starlink is worth considering.

FWA broadband has not reached DN21 1EB yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at DN21 1EB 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 14.3% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at DN21 1EB is rated Medium. Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed.

The three most common bands are D (25%), C (20%), E (20%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.

Outdoor 4G mobile signal at DN21 1EB is available across 95% of the area. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.

Suitability scores for DN21 1EB: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

DN21 1EB falls within the West Lindsey local authority area. The immediate area is Gainsborough, a distinct community within the wider district. The DN21 postcode area contains 1332 postcodes on this site. Superfast broadband across DN21 ranges from 0% to 100%. DN21 1EB is below the area average of 83%.

How does DN21 1EB compare to its neighbours? DN21 1NF (0.05 miles, gainsborough) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.

Broadband availability varies by provider and by property. At DN21 1EB, 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.

Life in Gainsborough depends on what matters to you. Broadband, transport, and local services vary by street.

Pulling the data together for DN21 1EB, here is what stands out. West Lindsey as a local authority area has its own planning priorities, council services, and infrastructure investment plans. Check the council website for the latest. The data covers what can be measured. Gainsborough has its own character that numbers alone cannot capture. Use these figures as a filter, then visit to get the full picture.

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.

Data is a starting point for Gainsborough. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.

This covers the key data for DN21 1EB. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Gainsborough hub page. Bookmark this page and check back as new data arrives.

More local data is being added for this postcode

This page already has postcode-specific content, and more data-backed sections will appear as the remaining local datasets finish processing.

Frequently asked questions about DN21 1EB

What are the broadband speeds available at DN21 1EB?

Superfast broadband (30 Mbps+) is available to 14.3% of premises at DN21 1EB. Ultrafast coverage is at 14.3%.

What is the average house price near DN21 1EB?

No recent house price data is available for DN21 1EB.

What is the flood risk for properties at DN21 1EB?

DN21 1EB has a Medium flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the DN21 1EB area?

School data for DN21 1EB is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in DN21 1EB compare to other areas?

Crime data for this area is being updated.

How suitable is DN21 1EB for remote working?

DN21 1EB scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at DN21 1EB?

4G outdoor coverage at DN21 1EB is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near DN21 1EB?

EPC data for DN21 1EB is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at DN21 1EB?

Council tax band information for DN21 1EB is being updated.

How accessible are GP surgeries near DN21 1EB?

GP surgery data for DN21 1EB is being updated. Check NHS.uk for the latest.

What transport links are available near DN21 1EB?

Transport data for DN21 1EB is being updated.

Is DN21 1EB a suitable area for families?

DN21 1EB scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at DN21 1EB?

Air quality data for DN21 1EB is being updated.

How far is the nearest EV charging point from DN21 1EB?

EV charging data for DN21 1EB is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at DN21 1EB?

Ultrafast broadband (100 Mbps+) reaches 14.3% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

DN21 1EB

Remote Worker

35

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

Family

50

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

Gainsborough

District

West Lindsey

Region

Constituency

LSOA

E01026375

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