SO21 postcode
Broadband in SO21 1HQ
Itchen Valley, Winchester
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 13 March 2026
Flood Risk
High
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 1HQ. 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 1HQ.
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) | 33% | 33% | 10-20 Mbps |
| Superfast (30+ Mbps) | 33% | 33% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 33% | 33% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 33% | 33% | 900-1,000 Mbps |
Speed Distribution at SO21 1HQ
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: High
This postcode is in undefined — high risk of flooding from rivers and sea.
Flood Zone
Risk Level
High
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 1HQ
This is the area guide for SO21 1HQ, located in Itchen Valley (Winchester). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast coverage here stands at 33.3%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 33.3% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 33.3% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at SO21 1HQ tells a more detailed story than headline figures alone. 66.7% of connections fall in the 2 to 5 Mbps range. 33.3% of connections fall in the 300 Mbps or faster range. 67% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming. 33.3% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
Translating the numbers at SO21 1HQ into daily use gives a clearer picture. Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours. Over half of premises here are stuck on slow connections. Working from home with video calls will be difficult. Consider 4G home broadband as an alternative.
FWA broadband has not reached SO21 1HQ 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 1HQ, 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 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SO21 1HQ 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.
Outdoor 4G mobile signal at SO21 1HQ 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 1HQ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SO21 1HQ falls within the Winchester local authority area. The immediate area is Itchen Valley, 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 1HQ is below the area average of 79%.
When choosing a broadband provider at SO21 1HQ, 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.
Itchen Valley offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Pulling the data together for SO21 1HQ, 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. Itchen Valley 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 Itchen Valley. 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 1HQ in Itchen Valley. 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 1HQ
What are the broadband speeds available at SO21 1HQ?
Superfast broadband (30 Mbps+) is available to 33.3% of premises at SO21 1HQ. Ultrafast coverage is at 33.3%.
What is the average house price near SO21 1HQ?
No recent house price data is available for SO21 1HQ.
What is the flood risk for properties at SO21 1HQ?
SO21 1HQ has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SO21 1HQ area?
School data for SO21 1HQ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SO21 1HQ compare to other areas?
Crime data for this area is being updated.
How suitable is SO21 1HQ for remote working?
SO21 1HQ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SO21 1HQ?
4G outdoor coverage at SO21 1HQ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SO21 1HQ?
EPC data for SO21 1HQ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SO21 1HQ?
Council tax band information for SO21 1HQ is being updated.
How accessible are GP surgeries near SO21 1HQ?
GP surgery data for SO21 1HQ is being updated. Check NHS.uk for the latest.
What transport links are available near SO21 1HQ?
Transport data for SO21 1HQ is being updated.
Is SO21 1HQ a suitable area for families?
SO21 1HQ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SO21 1HQ?
Air quality data for SO21 1HQ is being updated.
How far is the nearest EV charging point from SO21 1HQ?
EV charging data for SO21 1HQ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SO21 1HQ?
Ultrafast broadband (100 Mbps+) reaches 33.3% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SO21 1HQRemote 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
Itchen Valley
District
Winchester
Region
Constituency
LSOA
E01023236
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