SN15 postcode

Broadband in SN15 1AG

Chippenham, Wiltshire

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 4 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Rex BlackwellData last verified: 4 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (Gigabit (1Gbps+)) is available at SN15 1AG. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at SN15 1AG.

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)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)91%
91%
10-20 Mbps
Superfast (30+ Mbps)91%
91%
30-80 Mbps
Ultrafast (100+ Mbps)91%
91%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit91%
91%
900-1,000 Mbps

Speed Distribution at SN15 1AG

91%
300+ Mbps (91%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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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

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Wiltshire

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near SN15 1AG

This is the area guide for SN15 1AG, located in Chippenham (Wiltshire). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.

90.9% of premises at SN15 1AG can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 90.9% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 90.9% of premises. Most homes can access gigabit speeds if they choose to.

Here is how broadband speeds break down across premises at SN15 1AG. 90.9% 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.

Here is how the broadband at SN15 1AG maps against common household needs. 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 1AG. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

0% of premises at SN15 1AG 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 90.9% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at SN15 1AG 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 1AG 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 1AG: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SN15 1AG is Wiltshire. 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 1AG is close to the area average of 93%.

How does SN15 1AG compare to its neighbours? SN15 1FE (0.03 miles, chippenham) has 100% superfast coverage and 100% gigabit. SN15 1DY (0.05 miles, chippenham) has 100% superfast coverage and 100% gigabit. SN15 1AS (0.05 miles, chippenham) has 100% superfast coverage and 100% gigabit. SN15 1AT (0.06 miles, chippenham) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.

When choosing a broadband provider at SN15 1AG, 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.

Every part of Chippenham has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Looking at the overall picture for SN15 1AG, a few things are worth highlighting. Connectivity at SN15 1AG 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.

Numbers tell part of the story for SN15 1AG. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. Test the broadband speed from inside the property. These things do not show up in data.

This covers the key data for SN15 1AG. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Chippenham hub page. Bookmark this page and check back as new data arrives.

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 1AG

What are the broadband speeds available at SN15 1AG?

Superfast broadband (30 Mbps+) is available to 90.9% of premises at SN15 1AG. Ultrafast coverage is at 90.9%.

What is the average house price near SN15 1AG?

No recent house price data is available for SN15 1AG.

What is the flood risk for properties at SN15 1AG?

SN15 1AG has a Medium flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the SN15 1AG area?

School data for SN15 1AG is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SN15 1AG compare to other areas?

Crime data for this area is being updated.

How suitable is SN15 1AG for remote working?

SN15 1AG scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SN15 1AG?

4G outdoor coverage at SN15 1AG is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SN15 1AG?

EPC data for SN15 1AG is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SN15 1AG?

Council tax band information for SN15 1AG is being updated.

How accessible are GP surgeries near SN15 1AG?

GP surgery data for SN15 1AG is being updated. Check NHS.uk for the latest.

What transport links are available near SN15 1AG?

Transport data for SN15 1AG is being updated.

Is SN15 1AG a suitable area for families?

SN15 1AG scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at SN15 1AG?

Air quality data for SN15 1AG is being updated.

How far is the nearest EV charging point from SN15 1AG?

EV charging data for SN15 1AG is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SN15 1AG?

Ultrafast broadband (100 Mbps+) reaches 90.9% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

SN15 1AG

Remote Worker

50

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based 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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