HP20 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 437 postcodes across 3 sectors in Buckinghamshire.
Full fibre
0%
Gigabit
79%
Superfast
97%
Postcodes
437
HP20 serves 437 postcodes in Buckinghamshire with 83.9% high-speed and strong cable infrastructure. No postcodes fall below superfast baseline speeds.
Broadband speeds in HP20
Share of HP20 premises by the fastest download speed available, averaged across all 437 postcodes in the district.
Gigabit reaches 79.1% of the 437 postcodes, while high-speed touches 83.9%, suggesting some cable postcodes deliver 30 to 300 Mbps superfast rather than full gigabit capability. The 12.9% accessing this speed tier sit in a secondary tier. Cable infrastructure provides all services without alternative technologies. Below-USO postcodes are nonexistent, and notably, zero postcodes fall below 10 Mbps. Superfast reaches 96.8%, ensuring nearly all postcodes connect reliably above modern baseline expectations. HP20 combines strong gigabit reach with exceptional baseline coverage consistency.
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
0%
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
HP20 splits into 3 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 |
|---|---|---|---|---|
| HP20 1 | 225 | 97% | 0% | 81% |
| HP20 2 | 211 | 97% | 0% | 78% |
| HP20 9 | 1 | 100% | TBC | 0% |
All HP20 1 postcodes (225)
All HP20 2 postcodes (211)
All HP20 9 postcodes (1)
Best deals
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Living in Buckinghamshire
HP20's standout feature is zero below-10-Mbps postcodes despite only 79.1% gigabit. This suggests well-planned cable infrastructure serving mixed-density development.
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
HP20 broadband FAQs
Why does high-speed exceed gigabit in HP20?
high-speed is 83.9% versus gigabit 79.1%, meaning some cable postcodes deliver 30-300 Mbps rather than full gigabit speeds.
How consistent is the baseline coverage?
96.8% reach superfast, and 0% fall below 10 Mbps. Coverage is exceptionally uniform.
Is HP20 good for families?
Yes. Most premises can stream reliably, and the consistent high baseline means fewer connectivity surprises.
How does HP20 rank in Buckinghamshire?
With 79.1% gigabit and perfect below-10-Mbps coverage, it's very strong, though behind HP19 and HP21.
Neighbouring districts
Check your exact postcode
Every postcode in HP20 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