SN4 postcode
Broadband in SN4 9NN
Winterbourne Monkton, Wiltshire
Superfast broadband covers 100% of premises here.
Free, independent comparison · Ofcom verified data · Updated 9 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 SN4 9NN 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 SN4 9NN.
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) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at SN4 9NN
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
Compare broadband in SN4 9NN
Find the best broadband packages available at your address.
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
Ready to switch? See what's available at your address.
Check Deals →Living near SN4 9NN
SN4 9NN sits in Winterbourne Monkton, part of Wiltshire. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.
100% of premises at SN4 9NN can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark.
Here is how broadband speeds break down across premises at SN4 9NN. 100% 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.
Translating the numbers at SN4 9NN into daily use gives a clearer picture. 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 SN4 9NN. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SN4 9NN 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 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SN4 9NN 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 SN4 9NN 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 SN4 9NN: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SN4 9NN is Wiltshire. The immediate area is Winterbourne Monkton, a distinct community within the wider district. The SN4 postcode area contains 794 postcodes on this site. Superfast broadband across SN4 ranges from 0% to 100%. SN4 9NN is above the area average of 90%.
Broadband availability varies by provider and by property. At SN4 9NN, 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 Winterbourne Monkton depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering SN4 9NN? Connectivity at SN4 9NN 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. Winterbourne Monkton 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 SN4 9NN, 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.
This covers the key data for SN4 9NN. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Winterbourne Monkton 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 SN4 9NN
What are the broadband speeds available at SN4 9NN?
Superfast broadband (30 Mbps+) is available to 100% of premises at SN4 9NN.
What is the average house price near SN4 9NN?
No recent house price data is available for SN4 9NN.
What is the flood risk for properties at SN4 9NN?
SN4 9NN has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SN4 9NN area?
School data for SN4 9NN is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SN4 9NN compare to other areas?
Crime data for this area is being updated.
How suitable is SN4 9NN for remote working?
SN4 9NN scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SN4 9NN?
4G outdoor coverage at SN4 9NN is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SN4 9NN?
EPC data for SN4 9NN is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SN4 9NN?
Council tax band information for SN4 9NN is being updated.
How accessible are GP surgeries near SN4 9NN?
GP surgery data for SN4 9NN is being updated. Check NHS.uk for the latest.
What transport links are available near SN4 9NN?
Transport data for SN4 9NN is being updated.
Is SN4 9NN a suitable area for families?
SN4 9NN scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SN4 9NN?
Air quality data for SN4 9NN is being updated.
How far is the nearest EV charging point from SN4 9NN?
EV charging data for SN4 9NN is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SN4 9NN?
Full fibre availability at SN4 9NN is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SN4 9NNRemote 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
Winterbourne Monkton
District
Wiltshire
Region
Constituency
LSOA
E01031884
Best deals
Compare broadband deals in SN4 9NN
Find the best packages from UK providers in minutes.
Broadband deals for SN4 9NN
Compare Deals