SO23 postcode

Broadband in SO23 9BA

Winchester, Winchester

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 16 March 2026

Flood Risk

High

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Rex BlackwellData last verified: 16 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 SO23 9BA. 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 SO23 9BA.

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)83%
83%
10-20 Mbps
Superfast (30+ Mbps)83%
83%
30-80 Mbps
Ultrafast (100+ Mbps)28%
28%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit28%
28%
900-1,000 Mbps

Speed Distribution at SO23 9BA

10–30 Mbps (17%)
30–300 Mbps (56%)
300+ Mbps (28%)

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: High

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

Flood Zone

Risk Level

High

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 Winchester

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 SO23 9BA

This is the area guide for SO23 9BA, located in Winchester. It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.

Superfast broadband (30 Mbps+) coverage at SO23 9BA stands at 83.3%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 27.8% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 27.8% of premises. Gigabit is available but not yet widespread at this postcode.

The speed distribution at SO23 9BA tells a more detailed story than headline figures alone. 16.7% of connections fall in the 10 to 30 Mbps range. 55.6% of connections fall in the 30 to 300 Mbps range. 27.8% 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. 27.8% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

Here is how the broadband at SO23 9BA maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

Fixed Wireless Access is not currently available at SO23 9BA. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

0% of premises at SO23 9BA 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 83.3% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at SO23 9BA is rated High. 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.

4G outdoor coverage at SO23 9BA 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 SO23 9BA: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SO23 9BA is Winchester. The SO23 postcode area contains 691 postcodes on this site. Superfast broadband across SO23 ranges from 0% to 100%. SO23 9BA is below the area average of 95%.

How does SO23 9BA compare to its neighbours? SO23 9AZ (0.03 miles, winchester-unparished-area) has 100% superfast coverage and 0% gigabit. SO23 9GH (0.03 miles, winchester-unparished-area) has 100% superfast coverage and 0% gigabit. SO23 8AE (0.05 miles, winchester-unparished-area) has 100% superfast coverage and 0% gigabit. SO23 9AY (0.05 miles, winchester-unparished-area) has 85.7% superfast coverage and 0% gigabit. Neighbouring postcodes tend to have better superfast coverage.

Broadband availability varies by provider and by property. At SO23 9BA, 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 Winchester depends on what matters to you. Broadband, transport, and local services vary by street.

Pulling the data together for SO23 9BA, here is what stands out. Winchester 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. Winchester 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 SO23 9BA, 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 SO23 9BA in Winchester. 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.

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 SO23 9BA

What are the broadband speeds available at SO23 9BA?

Superfast broadband (30 Mbps+) is available to 83.3% of premises at SO23 9BA. Ultrafast coverage is at 27.8%.

What is the average house price near SO23 9BA?

No recent house price data is available for SO23 9BA.

What is the flood risk for properties at SO23 9BA?

SO23 9BA has a High flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the SO23 9BA area?

School data for SO23 9BA is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SO23 9BA compare to other areas?

Crime data for this area is being updated.

How suitable is SO23 9BA for remote working?

SO23 9BA scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SO23 9BA?

4G outdoor coverage at SO23 9BA is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SO23 9BA?

EPC data for SO23 9BA is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SO23 9BA?

Council tax band information for SO23 9BA is being updated.

How accessible are GP surgeries near SO23 9BA?

GP surgery data for SO23 9BA is being updated. Check NHS.uk for the latest.

What transport links are available near SO23 9BA?

Transport data for SO23 9BA is being updated.

Is SO23 9BA a suitable area for families?

SO23 9BA scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at SO23 9BA?

Air quality data for SO23 9BA is being updated.

How far is the nearest EV charging point from SO23 9BA?

EV charging data for SO23 9BA is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SO23 9BA?

Ultrafast broadband (100 Mbps+) reaches 27.8% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

SO23 9BA

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

Winchester

District

Winchester

Region

Constituency

LSOA

E01023251

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