CB4 postcode area guide — Cambridge
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CB4 postcode district in Cambridge — every official dataset on one page.
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Where is CB4?
Broadband & internet speeds in CB4
Excellent coverage
Superfast (30Mb+)
98.2%
Ultrafast (300Mb+)
94.1%
Gigabit-capable
93%
Below USO (10Mb)
0%
Broadband availability in the CB4 postcode district (Cambridge) is Excellent — gigabit-capable full fibre is widely available. Across the 906 postcodes Ofcom measures in CB4, superfast broadband (30 Mbit/s or faster) reaches 98.2% of premises and gigabit-capable lines are available to 93%.
Around 0% of premises in CB4 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 CB4
| Postcode | Superfast | Gigabit |
|---|---|---|
| CB4 0AB | 40% | 40% |
| CB4 0AE | 40% | 20% |
| CB4 0AP | 100% | 0% |
| CB4 0BZ | 100% | 100% |
| CB4 0DL | 96% | 28% |
| CB4 0DN | 27.3% | 27.3% |
| CB4 0DP | 0% | 0% |
| CB4 0DS | 70.4% | 37% |
| CB4 0DT | 100% | 0% |
| CB4 0DW | 100% | 100% |
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):
4G indoors — all networks
98.8%
4G outdoors — all networks
100%
5G outdoors — all networks
85.1%
Voice indoors — all networks
99.9%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in CB4
Police recorded 461 incidents within about a mile of the centre of CB4 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 147 | 31.9% |
| Anti-social behaviour | 82 | 17.8% |
| Shoplifting | 55 | 11.9% |
| Criminal damage & arson | 29 | 6.3% |
| Other theft | 23 | 5.0% |
| Vehicle crime | 22 | 4.8% |
| Public order | 20 | 4.3% |
| Other crime | 20 | 4.3% |
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 CB4
Based on 306 sales registered with HM Land Registry in the last 12 months, the median sold price in CB4 is £430,000, down 2.7% on the previous year (£442,000).
Detached
£580,000
20 sales
Semi-detached
£535,000
82 sales
Terraced
£450,000
121 sales
Flat / maisonette
£262,000
81 sales
Latest recorded sales in CB4
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 22 May 2026 | £440,000 | Terraced | Birch Close | CB4 1XN |
| 22 May 2026 | £440,000 | Terraced | Birch Close | CB4 1XN |
| 18 May 2026 | £585,000 | Terraced | Richmond Road | CB4 3PP |
| 15 May 2026 | £345,000 | Terraced | Crowland Way | CB4 2LT |
| 15 May 2026 | £380,000 | Terraced | Union Lane | CB4 1PX |
| 11 May 2026 | £640,000 | Flat | Lynfield Lane | CB4 1DQ |
| 8 May 2026 | £298,000 | Flat | Cambanks | CB4 1PY |
| 8 May 2026 | £236,000 | Terraced | Primary Court | CB4 1NB |
| 8 May 2026 | £950,000 | Detached | Chesterton Road | CB4 1BZ |
| 1 May 2026 | £335,000 | Flat | St Andrews Road | CB4 1DH |
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):
| Age profile | |
|---|---|
| Under 15 | 14.4% |
| 15–29 | 41.5% |
| 30–44 | 19% |
| 45–64 | 13.8% |
| 65+ | 11.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 44.1% |
| Private rented | 31.6% |
| Social rented | 9.5% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around CB4
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Chesterton Community College | Secondary | 11–18 | 1,126 | CB4 3NY |
| North Cambridge Academy | Secondary | 11–16 | 687 | CB4 2JF |
| Cambridge Arts and Sciences (CATS and CSVPA) | Not applicable | 13–24 | 453 | CB4 1NQ |
| Milton Road Primary School | Primary | 5–11 | 424 | CB4 2BD |
| Mayfield Primary School | Primary | 4–11 | 398 | CB4 3HN |
| Kings Hedges Primary School | Primary | 4–11 | 389 | CB4 2HU |
| Arbury Primary School | Primary | 5–11 | 380 | CB4 2DE |
| Shirley Community Primary School | Primary | 4–11 | 303 | CB4 1TF |
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 CB4
225 rated food businesses operate in CB4. 152 hold the top rating of 5, 32 are rated 4, and 6 are rated 2 or below.
Among the 5-rated: 2twenty4-Revolution Health & Fitness, 5 Chapel Street B&B, A WALLER & SON, A&M Pub Services (The Ship), abm @ Orchard Park Community Primary School.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CB4
From a sample of 361 Energy Performance Certificates across 10 CB4 postcodes, the most common rating is band B (average band C). 74% of sampled homes are rated C or better.
Band A
0%
Band B
45%
Band C
29%
Band D
22%
Band E
4%
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 CB4 typically use:
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What's it like living in CB4?
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Moving to CB4? Sort your connectivity first
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Postcodes in CB4
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Frequently asked questions
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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.