21 Marsh Close, Waltham Cross, EN8 7JF

21 Marsh Close is a one-bedroom mid-terrace house in Waltham Cross (EN8 7JF). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2021) shows a D (score 55), a step below the typical UK home. Earlier certificates rated it C (February 2011); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 76). At 41 m² this is the 3rd smallest of 36 units on EPC record in the building, where floor areas span 38–91 m². The building's EPC ratings span G to C across 36 units on file.

It hasn't traded since August 2007, a hold of 19 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. Across 1996–2007, sale prices on this property compounded at 12.3% per year. Today's modelled estimate of £198,000 is 41.4% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£317/sq ft) was about 32% above the typical sold price in the postcode.