SL3 postcode
Broadband in SL3 8PX
Colnbrook with Poyle, Slough
Standard broadband is the main option at this postcode.
Compare Broadband Deals →Free, independent comparison · Ofcom verified data · Updated 13 March 2026
Flood Risk
High
Fibre (FTTP)
No
Best speed
Data pending
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.
Your household needs approximately 14 Mbps. We don't have speed data for SL3 8PX yet.
Speed Test
Check your current download speed and see how it compares to what is available at SL3 8PX.
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) | 0% | 0% | 10-20 Mbps |
| Superfast (30+ Mbps) | 0% | 0% | 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 SL3 8PX
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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Check Deals →Living near SL3 8PX
Colnbrook with Poyle is home to SL3 8PX. 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.
0% of premises at SL3 8PX can access superfast broadband. The UK average is 93%. There is room for improvement here.
Here is how broadband speeds break down across premises at SL3 8PX. 100% of connections fall in the 10 to 30 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
What do the broadband speeds at SL3 8PX mean in practice? With no superfast coverage, streaming is limited. Standard definition video may work, but HD and 4K are unlikely to run smoothly. Downloading large files will take significantly longer than average. 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 SL3 8PX. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SL3 8PX 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 0% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SL3 8PX 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 8PX 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 8PX: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SL3 8PX is Slough. 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%.
How does SL3 8PX compare to its neighbours? SL3 8QH (0.03 miles, colnbrook-with-poyle) has 90.9% superfast coverage and 81.8% gigabit. SL3 8QJ (0.04 miles, colnbrook-with-poyle) has 100% superfast coverage and 12% gigabit. SL3 8QG (0.05 miles, colnbrook-with-poyle) has 100% superfast coverage and 0% gigabit. SL3 0LT (0.06 miles, colnbrook-with-poyle) has 93.8% superfast coverage and 93.8% gigabit.
Not every property at SL3 8PX 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.
Life in Colnbrook with Poyle depends on what matters to you. Broadband, transport, and local services vary by street.
Looking at the overall picture for SL3 8PX, a few things are worth highlighting. Broadband is the main concern at SL3 8PX. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. 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.
That is the full data picture for SL3 8PX in Colnbrook with Poyle. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.
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 8PX
What are the broadband speeds available at SL3 8PX?
Broadband is available at SL3 8PX. Contact local providers for specific speed information.
What is the average house price near SL3 8PX?
No recent house price data is available for SL3 8PX.
What is the flood risk for properties at SL3 8PX?
SL3 8PX has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SL3 8PX area?
School data for SL3 8PX is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SL3 8PX compare to other areas?
Crime data for this area is being updated.
How suitable is SL3 8PX for remote working?
SL3 8PX scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SL3 8PX?
4G outdoor coverage at SL3 8PX is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SL3 8PX?
EPC data for SL3 8PX is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SL3 8PX?
Council tax band information for SL3 8PX is being updated.
How accessible are GP surgeries near SL3 8PX?
GP surgery data for SL3 8PX is being updated. Check NHS.uk for the latest.
What transport links are available near SL3 8PX?
Transport data for SL3 8PX is being updated.
Is SL3 8PX a suitable area for families?
SL3 8PX scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SL3 8PX?
Air quality data for SL3 8PX is being updated.
How far is the nearest EV charging point from SL3 8PX?
EV charging data for SL3 8PX is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SL3 8PX?
Full fibre availability at SL3 8PX is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SL3 8PXRemote Worker
50Based 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
E01016480
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