CB1 postcode area guide — Cambridge

Where is CB1?

Broadband & internet speeds in CB1

Excellent coverage

Broadband availability in the CB1 postcode district (Cambridge) is Excellent — gigabit-capable full fibre is widely available. Across the 910 postcodes Ofcom measures in CB1, superfast broadband (30 Mbit/s or faster) reaches 99.3% of premises and gigabit-capable lines are available to 92.9%.

Around 0.1% of premises in CB1 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 CB1

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

Mobile signal around Cambridge

Ofcom's coverage model for the wider Cambridge district (61,788 premises):

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

Crime in CB1

Police recorded 521 incidents within about a mile of the centre of CB1 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 CB1

Based on 450 sales registered with HM Land Registry in the last 12 months, the median sold price in CB1 is £485,000, down 3.0% on the previous year (£500,000).

Latest recorded sales in CB1

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

Who lives here? Cambridge demographics

Census 2021 figures for the wider Cambridge district (145,674 residents, 52,474 households):

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

Schools in and around CB1

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 CB1

452 rated food businesses operate in CB1. 299 hold the top rating of 5, 60 are rated 4, and 17 are rated 2 or below.

Among the 5-rated: 196, 5 Blends, 7Bone Cambridge, 92 @ Young Street, Abbeyfield Cambridgeshire.

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

Energy performance (EPC) in CB1

From a sample of 266 Energy Performance Certificates across 10 CB1 postcodes, the most common rating is band D (average band D). 33% 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 Cambridge

Landlines around CB1 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 CB1?

Postcodes in CB1

Neighbouring districts

All Cambridge (CB) 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.