RM
Postcode areaPostcode area named after Romford, with 20 districts.
Approximate outline worked out by Open Index from the ONS Postcode Directory: the outline joins its districts’ outlines, each made of the census output areas that hold most of the district’s postcodes.
Radon Affected Area by postcode area
Worked out by Open Index · 2022
About 17% of people in RM live in a 1 km square that the radon atlas marks as a radon Affected Area.
How RM compares
Each dot is a postcode area. The black line marks the middle one.
Every postcode area ranked: median sale price, population, people in radon affected area squares and gigabit broadband coverage.
Is RM safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in RM at a rate of 94.6 per 1,000 people.
In August 2026 alone, 5,007 cases of crime and anti-social behaviour were recorded in RM.
In the 12 months to August 2026, the most common types were violence and sexual offences (18,908), anti-social behaviour (10,343) and other crime (8,525).
A year earlier, the recorded crime rate in RM was 93.6 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.
Postcode districts in RM
| Name | People (census) | Median sale price | Recorded crime per 1,000 |
|---|---|---|---|
| RM1Romford, Rise Park | 22,532 | £460,000 | 195.6 per 1,000 |
| RM2Gidea Park, Ardleigh Green | 13,342 | £536,000 | 57.1 per 1,000 |
| RM3Harold Hill, Harold Wood | 48,546 | £410,000 | 86.8 per 1,000 |
| RM4Abridge, Stapleford Abbotts | 4,390 | £640,000 | 88.7 per 1,000 |
| RM5Collier Row, Chase Cross | 21,899 | £444,000 | 68.1 per 1,000 |
| RM6Chadwell Heath, Little Heath | 36,919 | £440,000 | 86.7 per 1,000 |
| RM7Romford, Rush Green | 32,304 | £425,000 | 86.9 per 1,000 |
| RM8Becontree, Goodmayes | 50,322 | £382,500 | 76.8 per 1,000 |
| RM9Becontree, Dagenham | 40,571 | £382,000 | 103.1 per 1,000 |
| RM10Dagenham, Becontree Heath | 41,887 | £375,000 | 107.2 per 1,000 |
| RM11Hornchurch, Ardleigh Green | 33,904 | £506,500 | 63.9 per 1,000 |
| RM12Hornchurch, Elm Park | 35,551 | £465,000 | 66.0 per 1,000 |
| RM13South Hornchurch, Rainham | 32,508 | £420,000 | 113.0 per 1,000 |
| RM14Cranham, Upminster | 27,886 | £590,000 | 56.3 per 1,000 |
| RM15South Ockendon, Aveley | 32,236 | £360,000 | 83.6 per 1,000 |
| RM16Chadwell St Mary, Little Thurrock | 43,941 | £399,998 | 83.9 per 1,000 |
| RM17Grays, Little Thurrock | 30,025 | £325,000 | 116.4 per 1,000 |
| RM18Tilbury | 19,831 | £331,000 | 121.4 per 1,000 |
| RM19Purfleet-on-Thames | 7,356 | £231,250 | 91.0 per 1,000 |
| RM20West Thurrock, South Stifford | 7,475 | £297,000 | 333.1 per 1,000 |
RM in brief
The RM postcode area, named after Romford, has 20 postcode districts.
The median price paid for a home in RM was £415,000 in 2025.
RM had 583,425 usual residents at the census.
About 17% of people in RM live in a 1 km square that the radon atlas marks as a radon Affected Area.
In RM, 92.6% of homes and businesses could get gigabit-capable broadband in January 2026.