HP18 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 687 postcodes across 3 sectors in Buckinghamshire.
Full fibre
0%
Gigabit
69%
Superfast
87%
Postcodes
687
HP18 covers the most problematic Buckinghamshire connectivity in this batch, spanning 687 postcodes where gigabit reaches 69.4% and slow speeds affect 8.3% of locations.
Broadband speeds in HP18
Share of HP18 premises by the fastest download speed available, averaged across all 687 postcodes in the district.
Gigabit passes 69.4% of the 687 postcodes, with high-speed at 70.2%, indicating most high-speed postcodes deliver gigabit capability. The 16.4% accessing 30 to 300 Mbps speeds represent a limited mid-tier. Below-USO postcodes affect 1.2%, and 8.3% fall below 10 Mbps, representing the highest slow-speed share in Buckinghamshire by far. Superfast reaches only 86.6%, meaning one in seven postcodes lags the 30 Mbps baseline. HP18 is the weakest in Buckinghamshire in this batch, suggesting an area with fragmented infrastructure combining cable with older copper telephone services in peripheral locations.
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
<1%
Premises that can use a fixed wireless access service
Broadband by sector
HP18 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 |
|---|---|---|---|---|
| HP18 0 | 376 | 86% | TBC | 63% |
| HP18 1 | 23 | 98% | TBC | 98% |
| HP18 9 | 288 | 87% | 0% | 76% |
All HP18 0 postcodes (376)
All HP18 1 postcodes (23)
All HP18 9 postcodes (288)
Best deals
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Living in Buckinghamshire
With 8.3% below 10 Mbps and only 86.6% superfast, HP18 is high-risk for broadband quality. Roughly 57 postcodes out of 687 face real connectivity challenges. Property buyers should investigate thoroughly before committing.
Crime per month
1
Average recorded crimes per local statistical area
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
HP18 broadband FAQs
Why is HP18 so much weaker than other Buckinghamshire codes?
8.3% fall below 10 Mbps versus 0-2.4% in peers, suggesting older copper infrastructure or very sparse development.
How many postcodes face connectivity issues?
1.2% fall below universal service obligation entirely (8 postcodes), and 8.3% below 10 Mbps (57 postcodes). Combined, roughly 65 out of 687 need support.
Is gigabit realistic in HP18?
69.4% have it, but don't assume your address does. The large slow-speed tail means postcodes vary significantly.
What should I do before moving to HP18?
Check your specific postcode. The 8.3% slow-speed share is unusually high for Buckinghamshire and warrants careful investigation.
Neighbouring districts
Check your exact postcode
Every postcode in HP18 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