SO21 postcode
Broadband in SO21 1NT
Twyford, Winchester
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
6%
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.
Your household needs approximately 14 Mbps. We don't have speed data for SO21 1NT yet.
Speed Test
Check your current download speed and see how it compares to what is available at SO21 1NT.
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)
Living near SO21 1NT
What's SO21 1NT actually like? We checked Twyford's data across 15+ categories. Broadband speeds and real-world performance. House prices and recent sales. Crime rates and categories. Schools, flood risk, air quality, GP access, and transport links. Everything below comes from official public data. Updated regularly. Specific to this postcode wherever possible.
Internet coverage here is good. Superfast (30Mbps+) reaches 100% of premises. The UK average is around 93%. Twyford beats that. Ultrafast (100Mbps+) covers 6%. Enough for streaming, video calls, and smart home devices. Gigabit connections: 6% coverage. Gigabit is available to some, not all.
Next-gen fibre infrastructure covers 100% of premises. Most of the area has modern fibre connections.
Limited house price data for SO21 1NT. Few residential sales on record here. Could be a commercial area, new development, or rental-heavy. Land Registry only records completed sales. Rentals and new-builds under shared ownership may not appear. Check Rightmove or Zoopla for current asking prices. Talk to local estate agents for a ground-level view.
Flood risk: Medium. Zone: Zone 1. Moderate flood risk. Get a flood risk assessment before buying. Insurance premiums may be higher. Air quality: Unknown.
No public EV chargers recorded nearby. Home charging would be the main option. Check Zap-Map for the latest charger locations.
4G outdoor coverage: 95%. Good coverage. Some indoor dead spots possible. Data is at local authority level from Ofcom. Street-level signal can vary. Buildings and terrain affect actual reception. Try your handset on-site before switching provider.
A note on broadband providers. Ofcom data shows what's available. Not which provider to pick. Actual speeds depend on your line, your router, and your provider. Check BT, Sky, Virgin Media, and local FTTP operators. Compare deals at broadbandcompareuk.com or uSwitch. Contract lengths vary. 18 months is standard. Some offer 12. Ask about setup fees. They range from free to £50+. Run a speed test after installation. If speeds don't match what you're paying for, complain.
All data on this page comes from official public sources. Ofcom publishes broadband stats yearly. Police.uk updates monthly. The Land Registry records every sale. We pull it together so you can see the full picture in one place.
A data profile is a starting point. Visit SO21 1NT before making decisions. Drive the commute at peak time. Walk to the local shops. Check mobile signal inside a property, not just outside. Look at the street on Google Maps and in person. They often tell different stories.
That covers the key data for SO21 1NT. Visit in person before deciding. Walk the streets at different times of day. Talk to neighbours if you can. Check parking, noise levels, and local shops. The numbers give you the framework. The visit fills in the rest. Data changes over time. Bookmark this page and check back for updates.
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 6% | 6% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 6% | 6% | 900-1,000 Mbps |
Speed Distribution at SO21 1NT
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
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Map
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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🟠
Flood risk: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
Council tax bands
Band distribution for Winchester
Most common: Band
Annual council tax estimates for , 2024/25
Transport links
Nearest train stations and towns
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
Area info
Parish
Twyford
District
Winchester
Region
Constituency
LSOA
E01023226
Frequently asked questions about SO21 1NT
What are the broadband speeds available at SO21 1NT?
Superfast broadband (30Mbps+) is available to 100% of premises at SO21 1NT. Maximum download speeds reach not confirmed. Ultrafast coverage is at 6%.
What is the average house price near SO21 1NT?
No recent house price data for SO21 1NT. Few residential sales on record, or mainly commercial properties.
What is the flood risk for properties at SO21 1NT?
SO21 1NT has a Medium flood risk rating, classified as Unknown by the Environment Agency. Check the Environment Agency flood map for detailed risk information.
What is the mobile signal like at SO21 1NT?
4G outdoor coverage at SO21 1NT is 95%, with 5G outdoor at not yet available. Networks available include EE, O2, Three, Vodafone. Data is at local authority level from Ofcom Connected Nations.
What is the most common energy efficiency rating for homes near SO21 1NT?
EPC data is not yet available for SO21 1NT. Energy Performance Certificates are recorded when properties are sold or rented. Check the EPC register at epc.opendatacommunities.org for individual property ratings.
What is the air quality like at SO21 1NT?
Air quality at SO21 1NT is rated Unknown with PM2.5 levels at not measured. Check Open-Meteo for detailed air quality forecasts.
How far is the nearest EV charging point from SO21 1NT?
EV charging data is not yet available for SO21 1NT. Check Zap-Map (zap-map.com) for the latest public charging locations near you.
Can I get full fibre broadband at SO21 1NT?
Ultrafast broadband (100Mbps+) is available to 6% of premises at SO21 1NT. Gigabit coverage reaches 6%. Providers like BT, Virgin Media, or local full fibre operators may serve this area.
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