SO21 postcode
Broadband in SO21 1JH
Owslebury, Winchester
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 24 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
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.
Gigabit broadband (Gigabit (1Gbps+)) is available at SO21 1JH. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at SO21 1JH.
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)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 53% | 53% | 10-20 Mbps |
| Superfast (30+ Mbps) | 53% | 53% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 53% | 53% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 53% | 53% | 900-1,000 Mbps |
Speed Distribution at SO21 1JH
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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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
Air quality
Particulate matter & nitrogen dioxide levels
air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Winchester
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near SO21 1JH
Owslebury is home to SO21 1JH. 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.
53.3% of premises at SO21 1JH can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 53.3% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 53.3% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at SO21 1JH tells a more detailed story than headline figures alone. 46.7% of connections fall in the 10 to 30 Mbps range. 53.3% 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 SO21 1JH into daily use gives a clearer picture.
FWA broadband has not reached SO21 1JH yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
The USO guarantees every UK home at least 10 Mbps. At SO21 1JH, 0% of properties do not meet this threshold. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 53.3% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SO21 1JH 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 1JH 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 SO21 1JH: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SO21 1JH is Winchester. The immediate area is Owslebury, 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%. SO21 1JH is below the area average of 79%.
Broadband availability varies by provider and by property. At SO21 1JH, 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.
Owslebury offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Looking at the overall picture for SO21 1JH, a few things are worth highlighting. 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. Owslebury 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 Owslebury. 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.
That is the full data picture for SO21 1JH in Owslebury. 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 SO21 1JH
What are the broadband speeds available at SO21 1JH?
Superfast broadband (30 Mbps+) is available to 53.3% of premises at SO21 1JH. Ultrafast coverage is at 53.3%.
What is the average house price near SO21 1JH?
No recent house price data is available for SO21 1JH.
What is the flood risk for properties at SO21 1JH?
SO21 1JH has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SO21 1JH area?
School data for SO21 1JH is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SO21 1JH compare to other areas?
Crime data for this area is being updated.
How suitable is SO21 1JH for remote working?
SO21 1JH scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SO21 1JH?
4G outdoor coverage at SO21 1JH is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SO21 1JH?
EPC data for SO21 1JH is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SO21 1JH?
Council tax band information for SO21 1JH is being updated.
How accessible are GP surgeries near SO21 1JH?
GP surgery data for SO21 1JH is being updated. Check NHS.uk for the latest.
What transport links are available near SO21 1JH?
Transport data for SO21 1JH is being updated.
Is SO21 1JH a suitable area for families?
SO21 1JH scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SO21 1JH?
Air quality data for SO21 1JH is being updated.
How far is the nearest EV charging point from SO21 1JH?
EV charging data for SO21 1JH is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SO21 1JH?
Ultrafast broadband (100 Mbps+) reaches 53.3% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SO21 1JHRemote Worker
35Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
50Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Owslebury
District
Winchester
Region
Constituency
LSOA
E01023246
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