# CB5

Postcode district covering Cambridge, Fen Ditton and Romsey Town, in Cambridge and South Cambridgeshire.

CB5 is a postcode district covering Cambridge, Fen Ditton and Romsey Town, in Cambridge and South Cambridgeshire. Median sale price £434,000 in 2025.

Postcode district. Code CB5. In: [Postcodes](https://openindex.co.uk/postcode) › [CB](https://openindex.co.uk/postcode/cb)

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an CB5 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £434,000** (2025). The median price paid for a home in CB5 was £434,000 in 2025. 486th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/cb5#f-house-sales-median-price
- **Population: 12,923** (2021). CB5 had 12,923 usual residents at the census (ONS Census 2021). 898th least populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/cb5#f-population
- **People in radon Affected Area squares: 2%** (2022). About 2% of people in CB5 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/cb5#f-radon-affected-share
- **Gigabit broadband coverage: 99.1%** (January 2026). In CB5, 99.1% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/cb5#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=CB5) (Worked out by Open Index · 2022): About 2% of people in CB5 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=CB5) (Worked out by Open Index · 2025): 118 homes were sold in CB5 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=CB5) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for CB5.
- [Population by postcode district](https://openindex.co.uk/map/population?place=CB5) (Census 2021, England and Wales): CB5 had 12,923 usual residents at the census.

## How CB5 compares

Each postcode district against every other postcode district the measure covers.

| Measure | CB5 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £434,000 | 8th cheapest | 16 postcode districts, CB · 2025 |
| Population | 12,923 | least populated | 16 postcode districts, CB · 2021 |
| People in radon Affected Area squares | 2% | joint 7th fewest people in radon Affected Areas | 16 postcode districts, CB · 2022 |
| Gigabit broadband coverage | 99.1% | highest | 16 postcode districts, CB · Jan 2026 |

## Is CB5 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CB5 at a rate of 133.4 per 1,000 people.
That compares with 75.3 per 1,000 people across the CB postcode area.
In August 2026 alone, 164 cases of crime and anti-social behaviour were recorded in CB5.
In the 12 months to August 2026, the most common types were violence and sexual offences (482), shoplifting (360) and other crime (317).
A year earlier, the recorded crime rate in CB5 was 132.9 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Deprivation in CB5, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so CB5 has no single figure. Of its 7 neighbourhoods with a rank:
- Decile 2: 1 neighbourhood
- Decile 3: 1 neighbourhood
- Decile 4: 1 neighbourhood
- Decile 5: 1 neighbourhood
- Decile 7: 1 neighbourhood
- Decile 8: 1 neighbourhood
- Decile 9: 1 neighbourhood

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in CB5

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Cambridge 006A](https://openindex.co.uk/cambridge/neighbourhood/e01017943) | 2,182 | 188.9 per 1,000 | 8 | 98.2% |
| [Cambridge 006B](https://openindex.co.uk/cambridge/neighbourhood/e01017944) | 1,432 | 83.1 per 1,000 | 4 | 99.7% |
| [Cambridge 006C](https://openindex.co.uk/cambridge/neighbourhood/e01017945) | 1,742 | 163.9 per 1,000 | 7 | 99.6% |
| [Cambridge 006D](https://openindex.co.uk/cambridge/neighbourhood/e01017946) | 1,574 | 93.3 per 1,000 | 3 | 99.7% |
| [Cambridge 006E](https://openindex.co.uk/cambridge/neighbourhood/e01017947) | 1,730 | 96.8 per 1,000 | 5 | 100.0% |
| [Cambridge 006F](https://openindex.co.uk/cambridge/neighbourhood/e01017948) | 1,682 | 181.5 per 1,000 | 2 | 100.0% |
| [Cambridge 007C](https://openindex.co.uk/cambridge/neighbourhood/e01017983) | 2,748 | 210.2 per 1,000 | 9 | 94.1% |

## Your MP

- [Cambridge](https://openindex.co.uk/constituency/cambridge): Daniel Zeichner (Labour), MP since July 2024. 80% of the people here.
- [South Cambridgeshire](https://openindex.co.uk/constituency/south-cambridgeshire): Pippa Heylings (Liberal Democrat), MP since July 2024. 20% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in CB5

[East Barnwell & Abbey](https://openindex.co.uk/cambridge/east-barnwell-and-abbey)

## Postcode sectors in CB5

[CB5 8 (279 postcodes)](https://openindex.co.uk/postcode/cb5-8)

## Councils CB5 covers

[Cambridge](https://openindex.co.uk/cambridge), [South Cambridgeshire](https://openindex.co.uk/south-cambridgeshire)

## Towns in CB5

[Cambridge](https://openindex.co.uk/cambridge)

## Postcode districts next to CB5

[CB1](https://openindex.co.uk/postcode/cb1), [CB2](https://openindex.co.uk/postcode/cb2), [CB3](https://openindex.co.uk/postcode/cb3), [CB4](https://openindex.co.uk/postcode/cb4), [CB24](https://openindex.co.uk/postcode/cb24), [CB25](https://openindex.co.uk/postcode/cb25)

## Nearest rail stations

[Cambridge North (1.4 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1585,52.2245), [Cambridge (3.8 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1375,52.1941), [Waterbeach (5.1 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1968,52.2623), [Cambridge South (5.8 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1315,52.1742)

## More in the CB postcode area

[All CB postcode districts](https://openindex.co.uk/postcode/cb), [Every UK postcode area](https://openindex.co.uk/postcode)

## CB5 in brief

CB5 is a postcode district covering Cambridge, Fen Ditton and Romsey Town, in Cambridge and South Cambridgeshire.
About 13,296 people lived in CB5 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £434,000 in 2025 across 118 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 133.4 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CB5 was £434,000 in 2025.
CB5 had 12,923 usual residents at the census.
About 2% of people in CB5 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In CB5, 99.1% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: CB5
- Postcode area: [CB](https://openindex.co.uk/postcode/cb)
- Constituency: [Cambridge †](https://openindex.co.uk/constituency/cambridge)
- Council: [Cambridge †](https://openindex.co.uk/cambridge)
- Area: 10.23 km²
- People, mid-2024: 13,296*
- Neighbourhoods: 7
- Output areas: 38

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[CB25](https://openindex.co.uk/postcode/cb25), [CB1](https://openindex.co.uk/postcode/cb1), [CB4](https://openindex.co.uk/postcode/cb4), [CB24](https://openindex.co.uk/postcode/cb24), [CB2](https://openindex.co.uk/postcode/cb2), [CB3](https://openindex.co.uk/postcode/cb3)

## Latest updates for CB5

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/CB5

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/cb5, or to one figure with its anchor, https://openindex.co.uk/postcode/cb5#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/cb5