SO21 postcode

Broadband in SO21 3FX

Overton, Basingstoke and Deane

Standard broadband is the main option at this postcode.

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Free, independent comparison · Ofcom verified data · Updated 9 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Data pending

Reviewed by Sage MitchellData last verified: 9 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

Your household needs approximately 14 Mbps. We don't have speed data for SO21 3FX yet.

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Speed Test

Check your current download speed and see how it compares to what is available at SO21 3FX.

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)0%
0%
10-20 Mbps
Superfast (30+ Mbps)0%
0%
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 SO21 3FX

10–30 Mbps (100%)

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 Basingstoke and Deane

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 SO21 3FX

SO21 3FX sits in Overton, part of Basingstoke and Deane. 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.

0% of premises at SO21 3FX can access superfast broadband. The UK average is 93%. There is room for improvement here.

Here is how broadband speeds break down across premises at SO21 3FX. 100% of connections fall in the 10 to 30 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.

Here is how the broadband at SO21 3FX maps against common household needs. With no superfast coverage, streaming is limited. Standard definition video may work, but HD and 4K are unlikely to run smoothly. Downloading large files will take significantly longer than average. 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.

Fixed Wireless Access is not currently available at SO21 3FX. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

0% of premises at SO21 3FX 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 SO21 3FX 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.

Outdoor 4G mobile signal at SO21 3FX 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.

Suitability scores for SO21 3FX: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SO21 3FX is Basingstoke and Deane. The immediate area is Overton, a distinct community within the wider district. The SO21 postcode area contains 732 postcodes on this site. Superfast broadband across SO21 ranges from 0% to 100%.

Not every property at SO21 3FX gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. 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.

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

What does all of this mean for someone considering SO21 3FX? Broadband is the main concern at SO21 3FX. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Basingstoke and Deane 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. Overton 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 SO21 3FX, 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.

SO21 3FX in Overton: 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.

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 SO21 3FX

What are the broadband speeds available at SO21 3FX?

Broadband is available at SO21 3FX. Contact local providers for specific speed information.

What is the average house price near SO21 3FX?

No recent house price data is available for SO21 3FX.

What is the flood risk for properties at SO21 3FX?

SO21 3FX has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the SO21 3FX area?

School data for SO21 3FX is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SO21 3FX compare to other areas?

Crime data for this area is being updated.

How suitable is SO21 3FX for remote working?

SO21 3FX scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SO21 3FX?

4G outdoor coverage at SO21 3FX is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SO21 3FX?

EPC data for SO21 3FX is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SO21 3FX?

Council tax band information for SO21 3FX is being updated.

How accessible are GP surgeries near SO21 3FX?

GP surgery data for SO21 3FX is being updated. Check NHS.uk for the latest.

What transport links are available near SO21 3FX?

Transport data for SO21 3FX is being updated.

Is SO21 3FX a suitable area for families?

SO21 3FX scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at SO21 3FX?

Air quality data for SO21 3FX is being updated.

How far is the nearest EV charging point from SO21 3FX?

EV charging data for SO21 3FX is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SO21 3FX?

Full fibre availability at SO21 3FX is being updated. Check Openreach for the latest rollout status.

Area suitability scores

SO21 3FX

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

Overton

District

Basingstoke and Deane

Region

Constituency

LSOA

E01022533

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