SL3 postcode
Broadband in SL3 0HR
Colnbrook with Poyle, Slough
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 16 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 SL3 0HR. 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 SL3 0HR.
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) | 18% | 18% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 18% | 18% | 900-1,000 Mbps |
Speed Distribution at SL3 0HR
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 Slough
Most common: Band
Annual council tax estimates for , 2024/25
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Colnbrook with Poyle is home to SL3 0HR. 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.
Superfast broadband (30 Mbps+) coverage at SL3 0HR stands at 100%. That is above the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 17.6% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 17.6% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for SL3 0HR gives a better picture of what to expect. 82.4% of connections fall in the 30 to 300 Mbps range. 17.6% 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.
Here is how the broadband at SL3 0HR maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
FWA broadband has not reached SL3 0HR yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
The USO guarantees every UK home at least 10 Mbps. At SL3 0HR, 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 SL3 0HR 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.
4G outdoor coverage at SL3 0HR 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.
Suitability scores for SL3 0HR: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SL3 0HR falls within the Slough local authority area. The immediate area is Colnbrook with Poyle, a distinct community within the wider district. The SL3 postcode area contains 1036 postcodes on this site. Superfast broadband across SL3 ranges from 0% to 100%. SL3 0HR is close to the area average of 96%.
How does SL3 0HR compare to its neighbours? SL3 0JQ (0.03 miles, colnbrook-with-poyle) has 100% superfast coverage and 62.5% gigabit. SL3 0JL (0.04 miles, colnbrook-with-poyle) has 100% superfast coverage and 0% gigabit. SL3 0JH (0.04 miles, colnbrook-with-poyle) has 90.9% superfast coverage and 54.5% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Broadband availability varies by provider and by property. At SL3 0HR, 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 Colnbrook with Poyle depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering SL3 0HR? Connectivity at SL3 0HR is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Slough 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. Colnbrook with Poyle 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.
Data is a starting point for Colnbrook with Poyle. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
This covers the key data for SL3 0HR. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Colnbrook with Poyle 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 SL3 0HR
What are the broadband speeds available at SL3 0HR?
Superfast broadband (30 Mbps+) is available to 100% of premises at SL3 0HR. Ultrafast coverage is at 17.6%.
What is the average house price near SL3 0HR?
No recent house price data is available for SL3 0HR.
What is the flood risk for properties at SL3 0HR?
SL3 0HR has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SL3 0HR area?
School data for SL3 0HR is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SL3 0HR compare to other areas?
Crime data for this area is being updated.
How suitable is SL3 0HR for remote working?
SL3 0HR scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SL3 0HR?
4G outdoor coverage at SL3 0HR is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SL3 0HR?
EPC data for SL3 0HR is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SL3 0HR?
Council tax band information for SL3 0HR is being updated.
How accessible are GP surgeries near SL3 0HR?
GP surgery data for SL3 0HR is being updated. Check NHS.uk for the latest.
What transport links are available near SL3 0HR?
Transport data for SL3 0HR is being updated.
Is SL3 0HR a suitable area for families?
SL3 0HR scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SL3 0HR?
Air quality data for SL3 0HR is being updated.
How far is the nearest EV charging point from SL3 0HR?
EV charging data for SL3 0HR is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SL3 0HR?
Ultrafast broadband (100 Mbps+) reaches 17.6% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SL3 0HRRemote 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
Colnbrook with Poyle
District
Slough
Region
Constituency
LSOA
E01016481
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