CM3 4SX
PostcodeA postcode in Chelmsford 005D, Little Baddow, Danbury and Sandon ward, Chelmsford.
This report describes the area around CM3 4SX, not any one home. Each figure is shown at the level it was published: the postcode, a 1 km square, the neighbourhood or the whole council, as its tag says.
Around CM3 4SX
- 0 crimes within 500 mAugust, down 100% on JulyChelmsford 005D: 37 a year per 1,000 peopleMap point
- Beaulieu Park, 4.8 kmThe nearest station, in a straight lineExact point
- 1 school within 800 mNearest is 320 m awayExact point
- No property in CM3 4SX listed at risk of floodingFrom rivers or the sea, with flood defences, in the Environment Agency's assessmentPostcode
- England’s least deprived 30%This neighbourhood, Chelmsford 005DNeighbourhood
- £378,080 average priceFor the whole of Chelmsford, July 2026Council
- No GP practices within 1 kmNone found within 2 kmPostcode
- No supermarkets within 1 kmNearest is 2 km awayExact point
- 9.1% can get gigabit broadband at CM3 4SXSuperfast for 36.4%. What can be ordered, January 2026Postcode
- Low road and rail noise at CM3 4SXRoad 52 dB, rail under 40 dB or not modelled (Lden, modelled for 2021)Postcode
- Not in a radon Affected AreaUnder 1% of homes in this 1 km square are estimated to be at or above the radon Action Level1 km grid
- 9.3 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid
Schools near CM3 4SX
Within 2 km, nearest first| School | Distance | Latest Ofsted outcome |
|---|---|---|
| Elm Green Preparatory School Independent | 320 m 4 minutes on foot | Not in Ofsted's state-funded schools file |
| St John Church of England Voluntary Controlled Primary School Danbury Primary. 71% met the expected standard at KS2 (2024/25) | 1.7 km 21 minutes on foot | School remains Good, September 2023 |
Distances are in a straight line. Councils and schools set catchments and admissions, which Open Index doesn’t map: the council’s schools pages. Ofsted outcomes are as published, each with its date; grades under different frameworks can’t be compared.
Recent sales near CM3 4SX
Latest sale at each postcode- £1,200,000The Ryefield, CM3 4TRJanuary 2025, detached, established, freehold120 m
- £1,950,000Mill Lane, CM3 4SBJanuary 2026, detached, established, freehold220 m
- £399,950Colam Lane, CM3 4SYFebruary 2024, semi-detached, established, freehold230 m
- £1,000,000Colam Lane, CM3 4TAMarch 2026, detached, established, freehold240 m
- £1,335,000High Pastures, CM3 4TSSeptember 2023, detached, established, freehold250 m
- £940,000North Hill, CM3 4TBSeptember 2024, detached, established, freehold330 m
- £250,000North Hill, CM3 4TEMarch 2026, terraced, established, freehold510 m
- £350,000North Hill, CM3 4TFOctober 2025, semi-detached, established, freehold560 m
HM Land Registry sales at nearby postcodes, by street and postcode only, never a house number. Sales take weeks to be registered. Every sale on the map
The neighbourhood: Chelmsford 005D
Everything about Chelmsford 005DThe postcode district: CM3
Everything about CM3Your MP
- Sir John WhittingdaleConservativeMP for Maldon
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Where these figures come from
- Street-level crimeAugust 2026Map point
- Rail and Tube stations2024/25Exact point
- SchoolsExact point
- Flood risk by postcodeJune 2026Postcode
- English Indices of Deprivation 20252025Neighbourhood
- Average house priceJuly 2026Council
- GP practicesPostcode
- SupermarketsExact point
- Broadband by postcodeJanuary 2026Postcode
- Road and rail noise by postcode2021Postcode
- Radon potential1 km grid
- Nitrogen dioxide (NO2)20251 km grid
Counts, distances and walking times are worked out by Open Index from each layer’s published points and outlines, in a straight line from the postcode’s centre. Street names © OpenStreetMap contributors.