SN25 postcode
Broadband in SN25 5DL
Blunsdon, Swindon
Superfast broadband covers 8.3% of premises here.
Free, independent comparison · Ofcom verified data · Updated 26 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
~30 Mbps
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.
The best available speed at SN25 5DL is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at SN25 5DL.
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) | 8% | 8% | 10-20 Mbps |
| Superfast (30+ Mbps) | 8% | 8% | 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 SN25 5DL
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: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
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 Swindon
Most common: Band
Annual council tax estimates for , 2024/25
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This is the area guide for SN25 5DL, located in Blunsdon (Swindon). 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 8.3%. Nationally, 93% of UK premises have access. Some properties may struggle with speed.
Looking at the full speed profile for SN25 5DL gives a better picture of what to expect. 91.7% of connections fall in the 10 to 30 Mbps range. 8.3% of connections fall in the 30 to 300 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
Here is how the broadband at SN25 5DL maps against common household needs. Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours. Limited superfast coverage means remote workers should test their connection carefully. Video calls may drop or pixelate. A mobile hotspot can serve as a backup.
Fixed Wireless Access is not currently available at SN25 5DL. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SN25 5DL 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 12.5% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SN25 5DL is rated Medium. 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 SN25 5DL 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for SN25 5DL: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SN25 5DL is Swindon. The immediate area is Blunsdon, a distinct community within the wider district. The SN25 postcode area contains 816 postcodes on this site. Superfast broadband across SN25 ranges from 0% to 100%. SN25 5DL is below the area average of 98%.
Broadband availability varies by provider and by property. At SN25 5DL, 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 Blunsdon depends on what matters to you. Broadband, transport, and local services vary by street.
Pulling the data together for SN25 5DL, here is what stands out. Swindon 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. Blunsdon 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 SN25 5DL, 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 SN25 5DL in Blunsdon. 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 SN25 5DL
What are the broadband speeds available at SN25 5DL?
Superfast broadband (30 Mbps+) is available to 8.3% of premises at SN25 5DL.
What is the average house price near SN25 5DL?
No recent house price data is available for SN25 5DL.
What is the flood risk for properties at SN25 5DL?
SN25 5DL has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SN25 5DL area?
School data for SN25 5DL is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SN25 5DL compare to other areas?
Crime data for this area is being updated.
How suitable is SN25 5DL for remote working?
SN25 5DL scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SN25 5DL?
4G outdoor coverage at SN25 5DL is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SN25 5DL?
EPC data for SN25 5DL is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SN25 5DL?
Council tax band information for SN25 5DL is being updated.
How accessible are GP surgeries near SN25 5DL?
GP surgery data for SN25 5DL is being updated. Check NHS.uk for the latest.
What transport links are available near SN25 5DL?
Transport data for SN25 5DL is being updated.
Is SN25 5DL a suitable area for families?
SN25 5DL scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SN25 5DL?
Air quality data for SN25 5DL is being updated.
How far is the nearest EV charging point from SN25 5DL?
EV charging data for SN25 5DL is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SN25 5DL?
Full fibre availability at SN25 5DL is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SN25 5DLRemote 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
Blunsdon
District
Swindon
Region
Constituency
LSOA
E01015473
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