# CB11

Postcode district covering Saffron Walden and Newport, in Uttlesford.

CB11 is a postcode district covering Saffron Walden and Newport, in Uttlesford. Median sale price £499,975 in 2025. Recorded crime 35.0 per 1,000 people.

Postcode district. Code CB11. 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 CB11 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £499,975** (2025). The median price paid for a home in CB11 was £499,975 in 2025. 286th 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/cb11#f-house-sales-median-price
- **Population: 18,451** (2021). CB11 had 18,451 usual residents at the census (ONS Census 2021). 1,201st 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/cb11#f-population
- **People in radon Affected Area squares: 27%** (2022). About 27% of people in CB11 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/cb11#f-radon-affected-share
- **Gigabit broadband coverage: 77.2%** (January 2026). In CB11, 77.2% 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/cb11#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=CB11) (Worked out by Open Index · 2022): About 27% of people in CB11 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=CB11) (Worked out by Open Index · 2025): 318 homes were sold in CB11 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=CB11) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for CB11.
- [Population by postcode district](https://openindex.co.uk/map/population?place=CB11) (Census 2021, England and Wales): CB11 had 18,451 usual residents at the census.

## How CB11 compares

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

| Measure | CB11 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £499,975 | 4th most expensive | 16 postcode districts, CB · 2025 |
| Population | 18,451 | 4th least populated | 16 postcode districts, CB · 2021 |
| People in radon Affected Area squares | 27% | joint most people in radon Affected Areas | 16 postcode districts, CB · 2022 |
| Gigabit broadband coverage | 77.2% | 3rd lowest | 16 postcode districts, CB · Jan 2026 |

## Is CB11 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CB11 at a rate of 35.0 per 1,000 people.
That compares with 75.3 per 1,000 people across the CB postcode area.
In August 2026 alone, 63 cases of crime and anti-social behaviour were recorded in CB11.
In the 12 months to August 2026, the most common types were violence and sexual offences (310), other crime (118) and anti-social behaviour (59).
A year earlier, the recorded crime rate in CB11 was 33.3 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 CB11, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so CB11 has no single figure. Of its 10 neighbourhoods with a rank:
- Decile 7: 2 neighbourhoods
- Decile 8: 3 neighbourhoods
- Decile 9: 4 neighbourhoods
- Decile 10 (England’s least deprived 10%): 1 neighbourhood

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

## Neighbourhoods in CB11

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Uttlesford 001B](https://openindex.co.uk/uttlesford/neighbourhood/e01022075) | 1,832 | 18.2 per 1,000 | 10 | 98.1% |
| [Uttlesford 002A](https://openindex.co.uk/uttlesford/neighbourhood/e01022074) | 1,486 | 37.4 per 1,000 | 8 | 92.6% |
| [Uttlesford 002E](https://openindex.co.uk/uttlesford/neighbourhood/e01022080) | 1,463 | 24.5 per 1,000 | 9 | 96.0% |
| [Uttlesford 002F](https://openindex.co.uk/uttlesford/neighbourhood/e01022081) | 2,590 | 47.0 per 1,000 | 9 | 80.1% |
| [Uttlesford 002G](https://openindex.co.uk/uttlesford/neighbourhood/e01022082) | 2,269 | 47.3 per 1,000 | 9 | 81.8% |
| [Uttlesford 003A](https://openindex.co.uk/uttlesford/neighbourhood/e01022061) | 1,574 | 37.1 per 1,000 | 8 | 46.2% |
| [Uttlesford 003B](https://openindex.co.uk/uttlesford/neighbourhood/e01022071) | 1,696 | 36.0 per 1,000 | 7 | 65.9% |
| [Uttlesford 003C](https://openindex.co.uk/uttlesford/neighbourhood/e01022072) | 2,073 | 42.4 per 1,000 | 9 | 90.5% |
| [Uttlesford 003D](https://openindex.co.uk/uttlesford/neighbourhood/e01022073) | 2,059 | 36.0 per 1,000 | 8 | 74.6% |
| [Uttlesford 003E](https://openindex.co.uk/uttlesford/neighbourhood/e01022098) | 1,563 | 26.3 per 1,000 | 7 | 69.2% |

## Your MP

- [North West Essex](https://openindex.co.uk/constituency/north-west-essex): Mrs Kemi Badenoch (Conservative), MP since July 2024.

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

## Middle areas in CB11

[Newport, Littlebury & Clavering](https://openindex.co.uk/uttlesford/newport-littlebury-and-clavering), [Saffron Walden Town](https://openindex.co.uk/uttlesford/saffron-walden-town)

## Postcode sectors in CB11

[CB11 3 (304 postcodes)](https://openindex.co.uk/postcode/cb11-3), [CB11 4 (246 postcodes)](https://openindex.co.uk/postcode/cb11-4)

## Council

[Uttlesford](https://openindex.co.uk/uttlesford)

## Towns in CB11

[Saffron Walden](https://openindex.co.uk/town/saffron-walden)

## Postcode districts next to CB11

[CB10](https://openindex.co.uk/postcode/cb10), [CM6](https://openindex.co.uk/postcode/cm6), [CM22](https://openindex.co.uk/postcode/cm22), [CM23](https://openindex.co.uk/postcode/cm23), [SG8](https://openindex.co.uk/postcode/sg8), [SG9](https://openindex.co.uk/postcode/sg9)

## Nearest rail stations

[Audley End (3.4 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.2073,52.0044), [Newport (Essex) (3.8 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.2151,51.9799)

## 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)

## CB11 in brief

CB11 is a postcode district covering Saffron Walden and Newport, in Uttlesford.
About 19,308 people lived in CB11 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £499,975 in 2025 across 318 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 35.0 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CB11 was £499,975 in 2025.
CB11 had 18,451 usual residents at the census.
About 27% of people in CB11 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In CB11, 77.2% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: CB11
- Postcode area: [CB](https://openindex.co.uk/postcode/cb)
- Constituency: [North West Essex †](https://openindex.co.uk/constituency/north-west-essex)
- Council: [Uttlesford †](https://openindex.co.uk/uttlesford)
- Area: 123 km²
- People, mid-2024: 19,308*
- Neighbourhoods: 10
- Output areas: 56

* 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

[CB10](https://openindex.co.uk/postcode/cb10), [SG8](https://openindex.co.uk/postcode/sg8), [CM22](https://openindex.co.uk/postcode/cm22), [SG9](https://openindex.co.uk/postcode/sg9), [CM23](https://openindex.co.uk/postcode/cm23), [CM6](https://openindex.co.uk/postcode/cm6)

## Latest updates for CB11

- 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/CB11

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/cb11, or to one figure with its anchor, https://openindex.co.uk/postcode/cb11#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/cb11