CM1 4DY is a postcode on Broomfield Road in Chelmsford, Essex. Over the last five years, 9 properties have changed hands in this postcode, with an average sale price of £486,655. Prices have ranged from £339,399 to £585,000. The most recent recorded sale was in November 2025. The housing stock here is predominantly Semi-detached (72%) and Detached (23%) .

According to the 2019 English Index of Multiple Deprivation, the neighbourhood around CM1 4DY is among the least deprived 20% of neighbourhoods in England (decile 10 out of 10, ranked 31,168 nationally). The area benefits from lower than average crime levels (crime deprivation decile 8). Within a quarter of a mile, 8 crimes have been recorded in the dataset, with Violence And Sexual Offences being the most reported category. There are 15 schools within one mile, with the nearest being St John Payne Catholic School, Chelmsford. The area scores well above average for education and skills (education decile 9).