RM Postcode Area for the Romford Region


A wide range of spatial data has been analysed to present this overview of the RM Postcode. If you would like anything added, please contact us.


This section of the site is all about the RM Postcode area, also known as the Romford Postal Area. Explore links to the next level to learn more about specific postcode districts such as RM1.

Detailed map of the RM Postcode Area
Detailed map showing districts and posttowns in the RM Romford Area

Quick Facts about the RM Postcode

RM Area Statistics
Width from East to West 15.35 mi
Height from North to South 16.29 mi
Area of RM 115.82 mi²
Maximum Width 19.62 mi
Perimeter of Postcode Area 77.34 mi
Number of Postcode Districts 20
Number of Postcode Sectors 66
Number of Post Towns 9
Number of Postcodes 9,929

The RM postcode area represents a group of postal districts in the Romford area of the United Kingdom. The area code RM stands for the letters r and m in RoMford. RM has a population of 516,824 and covers an area of 296,021 hectares. Fun fact: 0.80% of the population of Great Britain lives in this area.

The postcode area falls within the following counties: Greater London (75.12%), Essex (24.88%).

Where is the RM Postcode Area?

The RM Romford Postcode has it's North and South in Eastern England and it's mid Section in the London Region. TheRM postal area borders the following neighbouring postal areas: DA - Dartford, SS - Southend-on-Sea, CM - Chelmsford, SE - London - SE, IG - Ilford and ME - Medway, It also borders The Tidal Thames,


Map of the RM Romford Postcode Area

Explore the RM Romford postcode area by using our interactive map.

Map Showing Location of the RM postcode area
Where is the RM Postcode Area
A word cloud for the RM postcode area
A word cloud for the RM Postcode Area

How built up is the RM Postcode?

I've calculated the total area covered by building footprints within the RM postcode area.
By analyzing this against the total area, I've determined the percentage of the area that's developed, this will give you an idea of how urban or rural the RM postcode region is.
The higher the percentage the more urban the area is. For example the least urban district is RM4 and the most urban is RM8.

Building Area Summary
Postcode District Total Area (m²) Footprint Area (m²) Built Percentage %
RM4 45,818,118 511,619 1.12%
RM14 47,164,634 1,457,215 3.09%
RM16 33,111,192 1,514,970 4.58%
RM15 21,508,991 1,076,018 5.00%
RM18 23,974,552 1,263,553 5.27%
RM13 22,293,398 1,501,550 6.74%
RM19 7,066,573 521,885 7.39%
RM5 7,247,936 663,194 9.15%
RM3 14,191,553 1,478,577 10.42%
RM6 8,405,609 957,007 11.39%
RM7 8,609,670 1,108,061 12.87%
RM2 3,428,210 527,004 15.37%
RM17 6,001,044 945,827 15.76%
RM11 8,973,235 1,439,016 16.04%
RM12 7,641,895 1,245,887 16.30%
RM9 8,479,863 1,448,585 17.08%
RM10 6,325,774 1,084,168 17.14%
RM20 5,828,673 1,076,273 18.47%
RM1 4,716,800 969,629 20.56%
RM8 5,231,725 1,130,753 21.61%
RM Total 296,019,445 (m²) 21,920,791 (m²) 7.41%

Postcode Districts within the RM Romford Postcode Area

There are 20 postcode districts within the Romford postcode area

Map of the RM Postcode Area

A map showing the boundary of RM in relation to other areas

There are 2 towns within the Romford postcode area.

Map of Posttowns in the RM
Map of Posttowns in the RM Postal Area