N20 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 514 postcodes across 3 sectors in Barnet.
Full fibre
68%
Gigabit
68%
Superfast
97%
Postcodes
514
South-west Barnet's N20 is the least gigabit-connected of inner North London, with 67.7% full fibre and 28.6% of postcodes capped at 30-300 Mbps. This is a mixed-connectivity pocket within a well-served borough.
Broadband speeds in N20
Share of N20 premises by the fastest download speed available, averaged across all 514 postcodes in the district.
N20 shows genuine variation across 514 postcodes. While superfast reaches 97.4% universally, gigabit penetration (67.7%) reflects later-stage fibre rollout. Nearly three in ten postcodes max out at 30-300 Mbps, creating pockets where video conferencing or large uploads become problematic. Full fibre (67.7%) equals gigabit availability exactly, suggesting fibre-only architecture with no cable gigabit. The postcode lacks network diversity and reflects older rollout sequencing. A tiny fraction (0.2%) falls below USO. N20's speed distribution is notably polarised: postcodes cluster either in gigabit or superfast tiers with minimal middle ground. This creates winner-take-all postcodes: households either access modern speeds or face material constraints.
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
N20 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 |
|---|---|---|---|---|
| N20 0 | 254 | 98% | 75% | 75% |
| N20 8 | 122 | 95% | 52% | 52% |
| N20 9 | 138 | 99% | 68% | 68% |
All N20 0 postcodes (254)
All N20 8 postcodes (122)
All N20 9 postcodes (138)
Best deals
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Living in Barnet
N20 suits households whose speed requirements are moderate and who prioritise commute or school catchment over premium-tier broadband. Speed-dependent users should verify their postcode first.
Crime per month
1
Average recorded crimes per local statistical area
Remote worker score
98/100
Connectivity and amenities for home working
Family score
80/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
N20 broadband FAQs
Is N20 worth avoiding due to its lower gigabit availability?
No, but verify your postcode. 67.7% have gigabit; 32.3% are superfast-only, which still suffices for most households.
What's the gap between N20 and faster Barnet postcodes?
Gigabit penetration ranges from 67.7% (N20) to higher rates elsewhere, reflecting different investment timelines across Barnet.
What speeds should I budget for if I move to N20?
Gigabit odds are below even money. Plan for 300+ Mbps if you're lucky, 30-300 Mbps otherwise.
Can I push Ofcom to prioritise N20 for fibre expansion?
Availability maps are public at Ofcom. If your postcode is slow, requesting a check may flag under-served areas.
Neighbouring districts
Check your exact postcode
Every postcode in N20 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