UB3 postcode
Broadband in UB3 1SU
Hillingdon, Hillingdon
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 1 March 2026
Flood Risk
High
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 UB3 1SU. That covers your 14 Mbps needs with room to spare.
Speed Test
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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) | 36% | 36% | 10-20 Mbps |
| Superfast (30+ Mbps) | 36% | 36% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 36% | 36% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 36% | 36% | 900-1,000 Mbps |
Speed Distribution at UB3 1SU
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: High
This postcode is in undefined — high risk of flooding from rivers and sea.
Flood Zone
Risk Level
High
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 Hillingdon
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near UB3 1SU
This is the area guide for UB3 1SU, located in Hillingdon, unparished area (Hillingdon). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
36.2% of premises at UB3 1SU can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 36.2% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 36.2% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for UB3 1SU gives a better picture of what to expect. 63.8% of connections fall in the 5 to 10 Mbps range. 36.2% 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. 36.2% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
What do the broadband speeds at UB3 1SU mean in practice? Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours.
FWA broadband has not reached UB3 1SU yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at UB3 1SU 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 36.2% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at UB3 1SU is rated High. 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 UB3 1SU 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for UB3 1SU: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for UB3 1SU is Hillingdon. The immediate area is Hillingdon, unparished area, a distinct community within the wider district. The UB3 postcode area contains 929 postcodes on this site. Superfast broadband across UB3 ranges from 0% to 100%. UB3 1SU is below the area average of 98%.
How does UB3 1SU compare to its neighbours? UB3 1SW (0.04 miles, hillingdon-unparished-area) has 100% superfast coverage and 100% gigabit. UB3 1RP (0.06 miles, hillingdon-unparished-area) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Not every property at UB3 1SU 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 Hillingdon, unparished area has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Looking at the overall picture for UB3 1SU, a few things are worth highlighting. Hillingdon 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. Hillingdon, unparished area 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 UB3 1SU. 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.
UB3 1SU in Hillingdon, unparished area: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
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 UB3 1SU
What are the broadband speeds available at UB3 1SU?
Superfast broadband (30 Mbps+) is available to 36.2% of premises at UB3 1SU. Ultrafast coverage is at 36.2%.
What is the average house price near UB3 1SU?
No recent house price data is available for UB3 1SU.
What is the flood risk for properties at UB3 1SU?
UB3 1SU has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the UB3 1SU area?
School data for UB3 1SU is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in UB3 1SU compare to other areas?
Crime data for this area is being updated.
How suitable is UB3 1SU for remote working?
UB3 1SU scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at UB3 1SU?
4G outdoor coverage at UB3 1SU is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near UB3 1SU?
EPC data for UB3 1SU is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at UB3 1SU?
Council tax band information for UB3 1SU is being updated.
How accessible are GP surgeries near UB3 1SU?
GP surgery data for UB3 1SU is being updated. Check NHS.uk for the latest.
What transport links are available near UB3 1SU?
Transport data for UB3 1SU is being updated.
Is UB3 1SU a suitable area for families?
UB3 1SU scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at UB3 1SU?
Air quality data for UB3 1SU is being updated.
How far is the nearest EV charging point from UB3 1SU?
EV charging data for UB3 1SU is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at UB3 1SU?
Ultrafast broadband (100 Mbps+) reaches 36.2% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
UB3 1SURemote 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
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Area info
Parish
Hillingdon
District
Hillingdon
Region
Constituency
LSOA
E01002486
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