SL5 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 844 postcodes across 4 sectors in Windsor and Maidenhead.
Full fibre
0%
Gigabit
87%
Superfast
98%
Postcodes
844
SL5 is one of Bracknell Forest's strongest connectivity postcodes, with 87% gigabit availability across 844 addresses. Superfast coverage exceeds 97%.
Broadband speeds in SL5
Share of SL5 premises by the fastest download speed available, averaged across all 844 postcodes in the district.
The gigabit-capable share reaches 87%, demonstrating nearly blanket cable coverage across SL5. Superfast hits 97.7%, exceeding UK norms. Speed distribution is particularly concentrated: 87% of postcodes occupy the 300+ Mbps bracket, leaving only 10.8% in the 30 to 300 Mbps range. A negligible 0.3% fall below 10 Mbps. This consistency reflects mature cable infrastructure serving the locality. No full fibre is recorded here, meaning cable networks remain the sole gigabit pathway. Most households will not face speed negotiations with providers. The commercial choice becomes tariff and service terms rather than debating speed tiers.
Source: Ofcom Connected Nations. Percentages are district-wide averages of postcode-level availability, so rows may not sum to exactly 100%.
Connectivity in detail
Below 10 Mbps USO
<1%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
0%
Premises that can use a fixed wireless access service
Broadband by sector
SL5 splits into 4 postcode sectors. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| SL5 0 | 179 | 100% | 0% | 90% |
| SL5 7 | 214 | 95% | 0% | 75% |
| SL5 8 | 215 | 98% | 0% | 93% |
| SL5 9 | 236 | 99% | 0% | 91% |
All SL5 0 postcodes (179)
All SL5 7 postcodes (214)
All SL5 8 postcodes (215)
All SL5 9 postcodes (236)
Best deals
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Living in Windsor and Maidenhead
SL5's smaller footprint (844 postcodes) combined with its high gigabit density points to tightly integrated cable serving suburban clusters. Property hunters can safely assume gigabit connectivity as a baseline.
Remote worker score
55/100
Connectivity and amenities for home working
Family score
50/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
SL5 broadband FAQs
Will my new home have gigabit?
Highly likely. 87% of SL5 postcodes support gigabit via cable. Even postcodes outside that share can expect 30+ Mbps, which is well above minimum.
Are there slow postcodes I should avoid?
Only 0.3% fall below the USO 10 Mbps floor. That is fewer than one in every 300 postcodes, so risk is negligible.
What does 87% gigabit actually mean?
It means 87 out of 100 postcodes in SL5 can connect at 1,000 Mbps or faster via cable. The remaining 13% get slower but still solid speeds in the hundreds.
Is fibre available?
No full fibre is recorded in SL5. Cable is the sole gigabit route here, and it covers nearly the entire area.
Neighbouring districts
Check your exact postcode
Every postcode in SL5 has its own page with broadband speeds, house prices, school ratings and crime stats. You can also compare providers for your address.
Data sources: Broadband data from Ofcom Connected Nations 2025 · House prices from HM Land Registry · Crime from Police.uk · See all data sources