SN15 postcode
Broadband in SN15 1AS
Chippenham, Wiltshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 12 March 2026
Flood Risk
Medium
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 SN15 1AS. 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 SN15 1AS.
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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 100% | 100% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at SN15 1AS
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 Wiltshire
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near SN15 1AS
Chippenham is home to SN15 1AS. 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.
100% of premises at SN15 1AS can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 100% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 100% of premises. Most homes can access gigabit speeds if they choose to.
Looking at the full speed profile for SN15 1AS gives a better picture of what to expect. 100% 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.
What do the broadband speeds at SN15 1AS mean in practice? Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
Fixed Wireless Access is not currently available at SN15 1AS. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
The USO guarantees every UK home at least 10 Mbps. At SN15 1AS, 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 SN15 1AS 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.
Outdoor 4G mobile signal at SN15 1AS 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.
Suitability scores for SN15 1AS: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SN15 1AS falls within the Wiltshire local authority area. The immediate area is Chippenham, a distinct community within the wider district. The SN15 postcode area contains 1220 postcodes on this site. Superfast broadband across SN15 ranges from 0% to 100%. SN15 1AS is above the area average of 93%.
How does SN15 1AS compare to its neighbours? SN15 1DY (0.04 miles, chippenham) has 100% superfast coverage and 100% gigabit. SN15 1FE (0.05 miles, chippenham) has 100% superfast coverage and 100% gigabit. SN15 1AT (0.05 miles, chippenham) has 100% superfast coverage and 100% gigabit. SN15 1AG (0.05 miles, chippenham) has 90.9% superfast coverage and 90.9% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Not every property at SN15 1AS gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. 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.
Every part of Chippenham has its own feel. This data gives you the factual starting point. A visit fills in the rest.
What does all of this mean for someone considering SN15 1AS? Connectivity at SN15 1AS is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Wiltshire 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. Chippenham 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 SN15 1AS, 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 SN15 1AS in Chippenham. 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 SN15 1AS
What are the broadband speeds available at SN15 1AS?
Superfast broadband (30 Mbps+) is available to 100% of premises at SN15 1AS. Ultrafast coverage is at 100%.
What is the average house price near SN15 1AS?
No recent house price data is available for SN15 1AS.
What is the flood risk for properties at SN15 1AS?
SN15 1AS has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SN15 1AS area?
School data for SN15 1AS is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SN15 1AS compare to other areas?
Crime data for this area is being updated.
How suitable is SN15 1AS for remote working?
SN15 1AS scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SN15 1AS?
4G outdoor coverage at SN15 1AS is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SN15 1AS?
EPC data for SN15 1AS is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SN15 1AS?
Council tax band information for SN15 1AS is being updated.
How accessible are GP surgeries near SN15 1AS?
GP surgery data for SN15 1AS is being updated. Check NHS.uk for the latest.
What transport links are available near SN15 1AS?
Transport data for SN15 1AS is being updated.
Is SN15 1AS a suitable area for families?
SN15 1AS scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SN15 1AS?
Air quality data for SN15 1AS is being updated.
How far is the nearest EV charging point from SN15 1AS?
EV charging data for SN15 1AS is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SN15 1AS?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SN15 1ASRemote Worker
55Based 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
Chippenham
District
Wiltshire
Region
Constituency
LSOA
E01031914
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