13 Marwell Close, Romford, RM1 2TE

13 Marwell Close is a one-bedroom detached house in Romford (RM1 2TE). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (January 2026) shows a C (score 71). When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Good, window efficiency went from Very Poor to Poor and hot-water efficiency went from Poor to Average. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 39 m² this is the 8th smallest of 41 units on EPC record in the building, where floor areas span 37–63 m². The building's EPC ratings span E to B across 41 units on file.

Untraded for 16 years, with the last transfer in December 2009. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1997–2009, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £218,000 sits 62.1% above the 2009 sale of £134,500. On a £-per-square-foot basis, the last sale (£320/sq ft) was about 18.1% above the typical sold price in the postcode. At 39 m² it's 17% smaller than the typical home in the postcode (47 m² median across 40 EPCs).