N20 postcode area guide — Barnet

Where is N20?

Broadband & internet speeds in N20

Strong coverage

Broadband availability in the N20 postcode district (Barnet) is Strong — superfast is near-universal and gigabit is rolling out. Across the 513 postcodes Ofcom measures in N20, superfast broadband (30 Mbit/s or faster) reaches 96.9% of premises and gigabit-capable lines are available to 64.6%.

Around 0% of premises in N20 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in N20

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Barnet

Ofcom's coverage model for the wider Barnet district (168,463 premises):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in N20

Police recorded 234 incidents within about a mile of the centre of N20 in May 2026 (latest published street-level data). The breakdown:

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in N20

Based on 180 sales registered with HM Land Registry in the last 12 months, the median sold price in N20 is £739,951, up 15.6% on the previous year (£640,000).

Latest recorded sales in N20

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Barnet demographics

Census 2021 figures for the wider Barnet district (389,341 residents, 148,917 households):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around N20

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in N20

113 rated food businesses operate in N20. 56 hold the top rating of 5, 32 are rated 4, and 6 are rated 2 or below.

Among the 5-rated: Aark Cigars & Wines, Academy 4 Kids, Alexanders, All Saints Church Of England Primary School, Baxendale Woodside Home.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in N20

From a sample of 249 Energy Performance Certificates across 12 N20 postcodes, the most common rating is band D (average band D). 36% of sampled homes are rated C or better.

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Barnet

Landlines around N20 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in N20?

Postcodes in N20

Neighbouring districts

All North London (N) postcode districts ›

Frequently asked questions

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.