137a, Hornchurch Road, Hornchurch, RM12 4SZ

137a is a four-bedroom detached house in Hornchurch (RM12 4SZ). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1950-1966 and council tax band C. At 140 m² this is the largest unit on EPC record across the building (15–140 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (66 versus a worst of 51). The latest certificate (April 2009) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from April 2009, so improvements made since then won't be reflected.

Untraded for 17 years, with the last transfer in August 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 27.4% per year against 0% for the wider region. Today's modelled estimate of £342,000 sits 66.8% above the 2009 sale of £205,000. On a £-per-square-foot basis, the last sale (£136/sq ft) was about 67.5% below the postcode norm. At 140 m² the property is well over the postcode median (85 m² across 8 EPCs), placing it in the larger end of the local stock.