SO21 postcode
Broadband in SO21 1RL
Twyford, Winchester
Standard broadband is the main option at this postcode.
Free, independent comparison · Ofcom verified data
Flood Risk
High
Fibre (FTTP)
No
Best speed
0%
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 1RL yet.
Speed Test
Check your current download speed and see how it compares to what is available at SO21 1RL.
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 1RL
What's SO21 1RL 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.
Broadband at SO21 1RL is below average. Superfast covers just 0% of premises. The UK average sits at 93%. Big gap here. Video calls may drop. Streaming will buffer. Check if 4G or 5G home broadband is an option. Some providers offer mobile broadband alternatives. No gigabit connections available yet. Top speeds listed as unknown.
Next-gen fibre infrastructure covers 100% of premises. Most of the area has modern fibre connections.
Limited house price data for SO21 1RL. 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: High. Zone: Zone 1. Higher flood risk area. Check the Environment Agency flood map in detail. This will affect insurance costs. 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.
Transparency matters. Broadband data: Ofcom Connected Nations 2025. House prices: Land Registry. Crime: Police.uk. Demographics: ONS Census 2021. Flood risk: Environment Agency. Speed tests: Ookla Open Data Q4 2025. Cell towers: OpenStreetMap. All free, all public.
Research is one thing. Being there is another. Walk around SO21 1RL at different times of day. Check if the streets feel safe after dark. Look at how well homes are maintained. Visit the nearest park or green space. These things don't show up in statistics.
That's the full picture for SO21 1RL based on the latest data. Every area has trade-offs. These numbers help you spot them before you commit. Drill into each section above for the details. Compare several postcodes side by side. The right choice depends on what matters most to you. We refresh this data regularly.
| Technology | Available | Coverage | Typical 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) | N/A | N/A | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at SO21 1RL
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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Check Deals →Flood risk
🔴
Flood risk: High
This postcode is in undefined — high risk of flooding from rivers and sea.
Flood Zone
Risk Level
High
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 1RL
What are the broadband speeds available at SO21 1RL?
Superfast broadband (30Mbps+) is available to 0% of premises at SO21 1RL. Maximum download speeds reach not confirmed. Ultrafast coverage is at 0%.
What is the average house price near SO21 1RL?
No recent house price data for SO21 1RL. Few residential sales on record, or mainly commercial properties.
What is the flood risk for properties at SO21 1RL?
SO21 1RL has a High 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 1RL?
4G outdoor coverage at SO21 1RL 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 1RL?
EPC data is not yet available for SO21 1RL. 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 1RL?
Air quality at SO21 1RL 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 1RL?
EV charging data is not yet available for SO21 1RL. Check Zap-Map (zap-map.com) for the latest public charging locations near you.
Can I get full fibre broadband at SO21 1RL?
Ultrafast broadband is not currently available at SO21 1RL. Standard and superfast options may still be available. Check with providers for the latest rollout plans.
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