RH20 postcode
Broadband in RH20 3AU
Wiston, Horsham
Superfast broadband covers 16.7% of premises here.
Free, independent comparison · Ofcom verified data · Updated 20 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 RH20 3AU 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 RH20 3AU.
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Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 17% | 17% | 10-20 Mbps |
| Superfast (30+ Mbps) | 17% | 17% | 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 RH20 3AU
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 Horsham
Most common: Band
Annual council tax estimates for , 2024/25
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RH20 3AU sits in Wiston, part of Horsham. 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.
Superfast broadband (30 Mbps+) coverage at RH20 3AU stands at 16.7%. That is below the UK average of 93%.
The speed distribution at RH20 3AU tells a more detailed story than headline figures alone. 16.7% of connections fall in the 5 to 10 Mbps range. 66.7% of connections fall in the 10 to 30 Mbps range. 16.7% 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 RH20 3AU 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 RH20 3AU. 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 RH20 3AU, 16.7% of properties do not meet this threshold. Properties below the USO can request a connection from BT under the scheme. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at RH20 3AU 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 RH20 3AU 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 RH20 3AU: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
RH20 3AU falls within the Horsham local authority area. The immediate area is Wiston, a distinct community within the wider district. The RH20 postcode area contains 867 postcodes on this site. Superfast broadband across RH20 ranges from 0% to 100%. RH20 3AU is below the area average of 91%.
When choosing a broadband provider at RH20 3AU, 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.
Wiston offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Pulling the data together for RH20 3AU, here is what stands out. Horsham 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. Wiston 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 RH20 3AU. 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 RH20 3AU. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Wiston 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 RH20 3AU
What are the broadband speeds available at RH20 3AU?
Superfast broadband (30 Mbps+) is available to 16.7% of premises at RH20 3AU.
What is the average house price near RH20 3AU?
No recent house price data is available for RH20 3AU.
What is the flood risk for properties at RH20 3AU?
RH20 3AU has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the RH20 3AU area?
School data for RH20 3AU is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in RH20 3AU compare to other areas?
Crime data for this area is being updated.
How suitable is RH20 3AU for remote working?
RH20 3AU scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at RH20 3AU?
4G outdoor coverage at RH20 3AU is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near RH20 3AU?
EPC data for RH20 3AU is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at RH20 3AU?
Council tax band information for RH20 3AU is being updated.
How accessible are GP surgeries near RH20 3AU?
GP surgery data for RH20 3AU is being updated. Check NHS.uk for the latest.
What transport links are available near RH20 3AU?
Transport data for RH20 3AU is being updated.
Is RH20 3AU a suitable area for families?
RH20 3AU scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at RH20 3AU?
Air quality data for RH20 3AU is being updated.
How far is the nearest EV charging point from RH20 3AU?
EV charging data for RH20 3AU is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at RH20 3AU?
Full fibre availability at RH20 3AU is being updated. Check Openreach for the latest rollout status.
Area suitability scores
RH20 3AURemote 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
Wiston
District
Horsham
Region
Constituency
LSOA
E01031622
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