DN21 postcode

Broadband in DN21 4RB

Redbourne, North Lincolnshire

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 11 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Rex BlackwellData last verified: 11 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 4RB. 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 4RB.

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)86%
86%
10-20 Mbps
Superfast (30+ Mbps)86%
86%
30-80 Mbps
Ultrafast (100+ Mbps)86%
86%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit86%
86%
900-1,000 Mbps

Speed Distribution at DN21 4RB

10–30 Mbps (14%)
300+ Mbps (86%)

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: Low

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

Flood Zone

Risk Level

Low

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 North Lincolnshire

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 4RB

Redbourne is home to DN21 4RB. 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 coverage here stands at 85.7%. Nationally, 93% of UK premises have access. Most properties here can get a decent connection. Ultrafast broadband (100 Mbps+) reaches 85.7% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 85.7% of premises. Most homes can access gigabit speeds if they choose to.

Looking at the full speed profile for DN21 4RB gives a better picture of what to expect. 14.3% of connections fall in the 10 to 30 Mbps range. 85.7% 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.

Translating the numbers at DN21 4RB into daily use gives a clearer picture. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

Fixed Wireless Access (FWA) is available to 85.7% of premises at DN21 4RB. FWA uses a fixed antenna to deliver broadband without a phone line or fibre cable. FWA coverage is strong here. Providers like Three and EE offer home broadband over their mobile networks.

0% of premises at DN21 4RB 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.

Flood risk at DN21 4RB is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.

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.

4G outdoor coverage at DN21 4RB reaches 95%. 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.

Suitability scores for DN21 4RB: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for DN21 4RB is North Lincolnshire. The immediate area is Redbourne, 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 4RB is close to the area average of 83%.

How does DN21 4RB compare to its neighbours? DN21 4QL (0.03 miles, redbourne) has 100% superfast coverage and 100% gigabit. DN21 4QZ (0.06 miles, redbourne) has 100% superfast coverage and 76.5% gigabit. Neighbouring postcodes tend to have better superfast coverage.

When choosing a broadband provider at DN21 4RB, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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.

Every part of Redbourne has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Pulling the data together for DN21 4RB, here is what stands out. North Lincolnshire 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. Redbourne 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.

Before making a decision about DN21 4RB, 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 DN21 4RB. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Redbourne 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 4RB

What are the broadband speeds available at DN21 4RB?

Superfast broadband (30 Mbps+) is available to 85.7% of premises at DN21 4RB. Ultrafast coverage is at 85.7%.

What is the average house price near DN21 4RB?

No recent house price data is available for DN21 4RB.

What is the flood risk for properties at DN21 4RB?

DN21 4RB has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the DN21 4RB area?

School data for DN21 4RB is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in DN21 4RB compare to other areas?

Crime data for this area is being updated.

How suitable is DN21 4RB for remote working?

DN21 4RB scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at DN21 4RB?

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

What is the most common energy efficiency rating near DN21 4RB?

EPC data for DN21 4RB is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at DN21 4RB?

Council tax band information for DN21 4RB is being updated.

How accessible are GP surgeries near DN21 4RB?

GP surgery data for DN21 4RB is being updated. Check NHS.uk for the latest.

What transport links are available near DN21 4RB?

Transport data for DN21 4RB is being updated.

Is DN21 4RB a suitable area for families?

DN21 4RB scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at DN21 4RB?

Air quality data for DN21 4RB is being updated.

How far is the nearest EV charging point from DN21 4RB?

EV charging data for DN21 4RB is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at DN21 4RB?

Ultrafast broadband (100 Mbps+) reaches 85.7% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

DN21 4RB

Remote Worker

50

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

Redbourne

District

North Lincolnshire

Region

Constituency

LSOA

E01013323

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