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RM12 is a postcode district in the RM (Romford) postcode area, covering 8.2 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 RM12 (Hornchurch and Elm Park) went for a median £5,338 per square metre, +1.9% on the previous twelve months and +11.8% on five years earlier. The median price paid was £471,000, across 394 sales (584 in the twelve months before).
That is 4.9% above the median for the RM postcode area (£5,088) and 16.1% below London as a whole (£6,364), ranking RM12 172nd of 219 London postcode districts by price per square metre and 2nd of 13 in RM. Closest in price across London: UB5 Northolt (£5,343) and IG7 Chigwell (£5,337).
15% of the homes sold were flats or maisonettes and the median home sold had 85 m² of floor space. Flats sold for a median £252,500 and houses for £487,000.
Of the 6 districts bordering RM12, 1 is dearer per square metre. The dearest is RM14 Upminster at £5,744 and the cheapest RM13 Rainham at £4,819.
| Median £/m² | 12-month change | |
|---|---|---|
| RM12 Hornchurch and Elm Park | £5,338 | +1.9% |
| 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 RM12 are left blank.
| Period | 12 months to | Median £/m² | Change to latest |
|---|---|---|---|
| Latest | Jul 2026 | £5,338 | |
| One year earlier | Jul 2025 | £5,238 | +1.9% |
| Five years earlier | Jul 2021 | £4,775 | +11.8% |
| First in the series | Feb 1995 | £802 | +565.6% |
Land Registry sales in RM12 matched to the home's energy certificate, the sales every figure on this page is computed from.
RM12's Location Premium is -25.3%: in CityDataLab's factor model fitted to July 2026, an otherwise identical home (same size, type, age and energy rating) is priced 25.3% less per square metre in RM12 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. RM12 sits 0.84 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 RM12, dearest first.
| District | Median £/m², 12 months | 12-month change | Median price paid | Sales, 12 months | Vs RM12 |
|---|---|---|---|---|---|
| RM14 Upminster | £5,744 | +0.9% | £550,000 | 300 | +7.6% |
| RM11 Hornchurch and Emerson Park | £5,324 | +0.9% | £498,000 | 365 | -0.3% |
| RM7 Rush Green and Mawneys | £4,882 | -0.0% | £425,000 | 342 | -8.5% |
| RM10 Dagenham East | £4,877 | +0.7% | £375,000 | 250 | -8.6% |
| RM1 Romford | £4,865 | -2.7% | £458,750 | 302 | -8.9% |
| RM13 Rainham | £4,819 | +0.5% | £430,000 | 311 | -9.7% |
Prices are HM Land Registry price paid data for homes sold in RM12, 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.