TR21 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 67 postcodes across 1 sector in Isles of Scilly.
Gigabit
60%
Superfast
96%
Postcodes
67
TR21 is a 67-postcode district in the Isles of Scilly with high superfast coverage at 95.6% and solid gigabit at 60.3%. Island connectivity is notably strong.
Broadband speeds in TR21
Share of TR21 premises by the fastest download speed available, averaged across all 67 postcodes in the district.
Superfast coverage of 95.6% indicates dependable wired infrastructure for an island location, which is unusual given geographic constraints. Gigabit reaches 60.3%, a credible figure for remote premises on the Scilly Isles. The speed distribution is clean: 60.3% access 300-plus Mbps, 35.3% occupy 30-300 Mbps, with only 0.1% below 10 Mbps. Wireless technology is absent, and the below-USO rate is just 1.1%, suggesting close to universal wired provision. Achieving this coverage on island postcodes reflects genuine infrastructure investment and network quality despite distance from the mainland.
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
TR21 splits into 1 postcode sector. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| TR21 0 | 67 | 96% | TBC | 60% |
All TR21 0 postcodes (67)
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Living in Isles of Scilly
Island postcode performance is often weak. TR21 is an exception, demonstrating that distance need not constrain broadband quality.
Remote worker score
53/100
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
TR21 broadband FAQs
How strong is broadband on the Isles of Scilly?
95.6% have superfast access and 60.3% have gigabit, considerably stronger than typical for island locations.
Are postcodes with poor speeds common?
Only 0.1% fall below 10 Mbps, affecting fewer than one postcode in the entire district.
Does wireless technology feature?
No. Wired infrastructure handles all provision.
Are all postcodes connected?
98.9% have service above the universal obligation threshold, with 1.1% below.
Neighbouring districts
Check your exact postcode
Every postcode in TR21 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