20 Aston Mews, Romford, RM6 4DP

20 Aston Mews is a two-bedroom mid-terrace house in Romford (RM6 4DP). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1930-1949 and council tax band B. At 71 m² this is the 12th smallest of 13 units on EPC record in the building, where floor areas span 18–72 m². The building's EPC ratings span E to D, with this unit at the top. The latest certificate (September 2023) shows a D (score 55), a step below the typical UK home. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 73).

It hasn't traded since January 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 71 m² the property is well over the postcode median (31 m² across 12 EPCs), placing it in the larger end of the local stock. Across 2005–2008, sale prices on this property compounded at 22.8% per year. Today's modelled estimate of £272,000 is 36% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£262/sq ft) was about 36.4% above the typical sold price in the postcode.