# CM3 1AD: area report for a postcode in Chelmsford

CM3 1AD is a postcode in Chelmsford.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Chelmsford. Open the map at CM3 1AD for neighbourhoods and points.

In: [Chelmsford](https://openindex.co.uk/chelmsford) › [CM3](https://openindex.co.uk/postcode/cm3) › [CM3 1](https://openindex.co.uk/postcode/cm3-1)

## Around this postcode

- **1 crime within 500 m**: August, none in July. Chelmsford 001C: 64 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=0.4618,51.7851,CM31AD
- **Beaulieu Park, 4.9 km**: The nearest station, in a straight line. (Exact point) https://openindex.co.uk/map/stations?around=0.4618,51.7851,CM31AD
- **No schools within 800 m**: Nearest is 870 m away. (Exact point) https://openindex.co.uk/map/schools?around=0.4618,51.7851,CM31AD
- **No property in CM3 1AD listed at risk of flooding**: From rivers or the sea, with flood defences, in the Environment Agency's assessment. (Postcode) https://openindex.co.uk/map/flood-risk-by-postcode?around=0.4618,51.7851,CM31AD
- **England’s most deprived 50%**: This neighbourhood, Chelmsford 001C. (Neighbourhood) https://openindex.co.uk/map/deprivation-england?around=0.4618,51.7851,CM31AD
- **£378,080 average price**: For the whole of Chelmsford, July 2026. (Council) https://openindex.co.uk/map/house-prices?around=0.4618,51.7851,CM31AD
- **No GP practices within 1 km**: Nearest is 1.1 km away. (Postcode) https://openindex.co.uk/map/gp-practices?around=0.4618,51.7851,CM31AD
- **No supermarkets within 1 km**: Nearest is 1.2 km away. (Exact point) https://openindex.co.uk/map/supermarkets?around=0.4618,51.7851,CM31AD
- **91.7% can get gigabit broadband at CM3 1AD**: Superfast for 91.7%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=0.4618,51.7851,CM31AD
- **Low road and rail noise at CM3 1AD**: Road 49 dB, rail under 40 dB or not modelled (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=0.4618,51.7851,CM31AD
- **Not in a radon Affected Area**: Under 1% of homes in this 1 km square are estimated to be at or above the radon Action Level. (1 km grid) https://openindex.co.uk/map/radon?around=0.4618,51.7851,CM31AD
- **9.4 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=0.4618,51.7851,CM31AD

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [Great Waltham Church of England Voluntary Controlled Primary School](https://openindex.co.uk/school/great-waltham-church-of-england-voluntary-controlled-primary-school-e115114) | Primary | 870 m (11 minutes on foot) | School remains Good, October 2022 | 54% met the expected standard at KS2 (2024/25) |
| [Little Waltham Church of England Voluntary Aided Primary School](https://openindex.co.uk/school/little-waltham-church-of-england-voluntary-aided-primary-school-e115175) | Primary | 1.2 km (15 minutes on foot) | Good (overall), July 2023 | 70% met the expected standard at KS2 (2024/25) |
| [Chelmer Valley High School](https://openindex.co.uk/school/chelmer-valley-high-school-e137260) | Secondary | 1.6 km (20 minutes on foot) | Good (overall), June 2023 | Attainment 8 of 48.0 (2025/26, provisional) |
| [The Belsteads School](https://openindex.co.uk/school/the-belsteads-school-e144378) | Special | 1.7 km (21 minutes on foot) | No outcome in Ofsted's file | – |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| August 2024 | £1,340,000 | Detached, established, freehold | 480 m |
| October 2025 | £472,500 | Semi-detached, established, freehold | 580 m |

## Within 1 km

## Key figures

- **Average house price: £378,080** (July 2026). Chelmsford’s average house price was £378,080 in July 2026 (HM Land Registry). Down 2.3% in a year. Source: UK House Price Index, July 2026. Published 16 September 2026.
- **Median full-time pay: £46,179** (2025). Full-time workers living in Chelmsford earned a median of £46,179 in 2025 (ONS earnings survey). 39th highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 8.2×** (2025). A home in Chelmsford costs 8.2 times local full-time pay. Joint 123rd least affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 16 September 2026.
- **Deprivation score: 13.1** (2025). Chelmsford has a deprivation score of 13.1 in the English Indices of Deprivation 2025 (MHCLG). Joint 65th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Chelmsford 001C (Neighbourhood)

- **Deprivation score: 18.1** (2025). Chelmsford 001C has a deprivation score of 18.1 in the English Indices of Deprivation 2025 (MHCLG). Joint 16,240th most deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £545,000** (2025). The median price paid for a home in Chelmsford 001C was £545,000 in 2025. Joint 3,660th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 2,193** (2021). Chelmsford 001C had 2,193 usual residents at the census (ONS Census 2021). Joint 2,908th most populated of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026.
- **Gigabit broadband coverage: 87.9%** (January 2026). In Chelmsford 001C, 87.9% 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.

## CM3 (Postcode district)

- **Median sale price: £465,000** (2025). The median price paid for a home in CM3 was £465,000 in 2025. Joint 373rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 56,315** (2021). CM3 had 56,315 usual residents at the census (ONS Census 2021). 124th most 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.
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in CM3 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.
- **Gigabit broadband coverage: 80.3%** (January 2026). In CM3, 80.3% 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.

## About

- Type: Postcode
- Council: [Chelmsford](https://openindex.co.uk/chelmsford)
- Centre: 51.7851, 0.4618

Council: [Chelmsford](https://openindex.co.uk/chelmsford) (District, 100%).

## 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.

## Sources

- [Street-level crime](https://openindex.co.uk/sources/street-crime), August 2026 (Map point)
- [Rail and Tube stations](https://openindex.co.uk/sources/stations), 2024/25 (Exact point)
- [Schools](https://openindex.co.uk/sources/schools) (Exact point)
- [Flood risk by postcode](https://openindex.co.uk/sources/flood-risk-by-postcode), June 2026 (Postcode)
- [English Indices of Deprivation 2025](https://openindex.co.uk/sources/deprivation-england), 2025 (Neighbourhood)
- [Average house price](https://openindex.co.uk/sources/house-prices), July 2026 (Council)
- [GP practices](https://openindex.co.uk/sources/gp-practices) (Postcode)
- [Supermarkets](https://openindex.co.uk/sources/supermarkets) (Exact point)
- [Broadband by postcode](https://openindex.co.uk/sources/broadband-by-postcode), January 2026 (Postcode)
- [Road and rail noise by postcode](https://openindex.co.uk/sources/noise-by-postcode), 2021 (Postcode)
- [Radon potential](https://openindex.co.uk/sources/radon) (1 km grid)
- [Nitrogen dioxide (NO2)](https://openindex.co.uk/sources/nitrogen-dioxide), 2025 (1 km grid)

On the map: https://openindex.co.uk/map/sold-prices?around=0.4618,51.7851,CM31AD

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/cm3-1ad.

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 2026.10.8. The HTML page: https://openindex.co.uk/postcode/cm3-1ad