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RM9 is a postcode district in the RM (Romford) postcode area, covering 9.3 km². Prices, sales and comparisons below are for homes sold in the twelve months to July 2026, from HM Land Registry sales matched to their energy certificate.
In the twelve months to July 2026, homes sold in RM9 (Dagenham) went for a median £5,148 per square metre, +4.2% on the previous twelve months and +18.9% on five years earlier. The median price paid was £371,750, across 246 sales (314 in the twelve months before).
That is 1.2% above the median for the RM postcode area (£5,088) and 19.1% below London as a whole (£6,364), ranking RM9 189th of 219 London postcode districts by price per square metre and 6th of 13 in RM. Closest in price across London: RM5 Collier Row (£5,154) and TW4 Hounslow West (£5,145).
17% of the homes sold were flats or maisonettes, the median home sold had 71 m² of floor space and 10% were new builds. Flats sold for a median £268,000 and houses for £380,000.
Of the 6 districts bordering RM9, 0 are dearer per square metre. The dearest is RM8 Becontree at £5,000 and the cheapest SE28 Thamesmead at £4,541.
| Median £/m² | 12-month change | |
|---|---|---|
| RM9 Dagenham | £5,148 | +4.2% |
| Romford (RM) | £5,088 | +1.5% |
| London | £6,364 | -2.9% |
Each point is the median price per square metre of the homes sold in the twelve months to that month. Months with fewer than 30 sales in RM9 are left blank.
| Period | 12 months to | Median £/m² | Change to latest |
|---|---|---|---|
| Latest | Jul 2026 | £5,148 | |
| One year earlier | Jul 2025 | £4,939 | +4.2% |
| Five years earlier | Jul 2021 | £4,331 | +18.9% |
| First in the series | Mar 1995 | £663 | +676.5% |
Land Registry sales in RM9 matched to the home's energy certificate, the sales every figure on this page is computed from.
RM9's Location Premium is -27.3%: in CityDataLab's factor model fitted to July 2026, an otherwise identical home (same size, type, age and energy rating) is priced 27.3% less per square metre in RM9 than in a district at the average London district price level.
The model measures a district's location by its median price per m² over the previous twelve months, in standard deviations across London's postcode districts. RM9 sits 0.91 standard deviations below the average district. The Location Premium is the part of a home's price per m² the model puts down to that location; the rest depends on the home itself and on the market as a whole. How each factor's Premium has moved · Price a home with the property calculator.
Districts that share a border with RM9, dearest first.
| District | Median £/m², 12 months | 12-month change | Median price paid | Sales, 12 months | Vs RM9 |
|---|---|---|---|---|---|
| RM8 Becontree | £5,000 | +1.7% | £387,500 | 283 | -2.9% |
| RM10 Dagenham East | £4,877 | +0.7% | £375,000 | 250 | -5.3% |
| RM13 Rainham | £4,819 | +0.5% | £430,000 | 311 | -6.4% |
| DA17 Belvedere | £4,624 | +1.3% | £365,000 | 154 | -10.2% |
| IG11 Barking | £4,569 | -4.9% | £352,500 | 307 | -11.3% |
| SE28 Thamesmead | £4,541 | -18.3% | £330,000 | 202 | -11.8% |
Prices are HM Land Registry price paid data for homes sold in RM9, each matched by address to its MHCLG energy performance certificate for the floor area. Price per m² is the price paid divided by that floor area; medians are taken over the twelve months to the month shown, and districts, their postcode area and London are always compared over the same twelve months. Sales without a matched certificate, and non-residential and "other" sales, are not counted. Neighbouring districts are those sharing a border on the postcode district maps by Wikipedia contributors (CC BY-SA 3.0). See how CityDataLab's factor model works.