SL6 postcode
Broadband in SL6 1YY
Windsor and Maidenhead, Windsor and Maidenhead
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 29 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 SL6 1YY. 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 SL6 1YY.
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) | 9% | 9% | 10-20 Mbps |
| Superfast (30+ Mbps) | 9% | 9% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 9% | 9% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 9% | 9% | 900-1,000 Mbps |
Speed Distribution at SL6 1YY
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 Windsor and Maidenhead
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near SL6 1YY
This is the area guide for SL6 1YY, located in Windsor and Maidenhead. It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast broadband (30 Mbps+) coverage at SL6 1YY stands at 9.1%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 9.1% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 9.1% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for SL6 1YY gives a better picture of what to expect. 90.9% of connections fall in the 10 to 30 Mbps range. 9.1% 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.
What do the broadband speeds at SL6 1YY mean in practice? 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 SL6 1YY. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SL6 1YY 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 9.1% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SL6 1YY 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 SL6 1YY 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 SL6 1YY: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SL6 1YY is Windsor and Maidenhead. The SL6 postcode area contains 2240 postcodes on this site. Superfast broadband across SL6 ranges from 0% to 100%. SL6 1YY is below the area average of 98%.
How does SL6 1YY compare to its neighbours? SL6 1QZ (0.04 miles, windsor-and-maidenhead-unparished-area) has 86.7% superfast coverage and 86.7% gigabit. SL6 8BH (0.04 miles, windsor-and-maidenhead-unparished-area) has 100% superfast coverage and 100% gigabit. SL6 8BF (0.04 miles, windsor-and-maidenhead-unparished-area) has 100% superfast coverage and 100% gigabit. SL6 1DL (0.04 miles, windsor-and-maidenhead-unparished-area) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
When choosing a broadband provider at SL6 1YY, 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.
Every part of Windsor and Maidenhead has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Pulling the data together for SL6 1YY, here is what stands out. Windsor and Maidenhead 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. Windsor and Maidenhead 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 Windsor and Maidenhead. 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.
SL6 1YY in Windsor and Maidenhead: 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 SL6 1YY
What are the broadband speeds available at SL6 1YY?
Superfast broadband (30 Mbps+) is available to 9.1% of premises at SL6 1YY. Ultrafast coverage is at 9.1%.
What is the average house price near SL6 1YY?
No recent house price data is available for SL6 1YY.
What is the flood risk for properties at SL6 1YY?
SL6 1YY has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SL6 1YY area?
School data for SL6 1YY is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SL6 1YY compare to other areas?
Crime data for this area is being updated.
How suitable is SL6 1YY for remote working?
SL6 1YY scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SL6 1YY?
4G outdoor coverage at SL6 1YY is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SL6 1YY?
EPC data for SL6 1YY is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SL6 1YY?
Council tax band information for SL6 1YY is being updated.
How accessible are GP surgeries near SL6 1YY?
GP surgery data for SL6 1YY is being updated. Check NHS.uk for the latest.
What transport links are available near SL6 1YY?
Transport data for SL6 1YY is being updated.
Is SL6 1YY a suitable area for families?
SL6 1YY scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SL6 1YY?
Air quality data for SL6 1YY is being updated.
How far is the nearest EV charging point from SL6 1YY?
EV charging data for SL6 1YY is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SL6 1YY?
Ultrafast broadband (100 Mbps+) reaches 9.1% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SL6 1YYRemote 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
Windsor and Maidenhead
District
Windsor and Maidenhead
Region
Constituency
LSOA
E01032733
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