21 Chesham House, Leyburn Crescent, Romford, RM3 8RU

21 Chesham House is a one-bedroom end-of-terrace house in Romford (RM3 8RU). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (August 2018) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in January 2014 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor. Main heating runs on electricity. At 40 m² this is the 6th smallest of 18 units on EPC record in the building, where floor areas span 37–48 m². The building's EPC ratings span E to C, with this unit at the bottom. Other recorded features include a balcony.

Untraded for 24 years, with the last transfer in December 2001. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2001–2001, sale prices on this property compounded at 40% per year. Today's modelled estimate of £163,000 sits 132.9% above the 2001 sale of £69,995. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 53.1% below the postcode norm.