478a, St Albans Road, Watford, WD24 6QU

478a is an end-of-terrace house in Watford (WD24 6QU). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 72). At 90 m² this is the 26th smallest of 34 units on EPC record in the building, where floor areas span 30–153 m². The building's EPC ratings span G to C across 34 units on file.

At 90 m² it's 26.8% larger than the typical home in the postcode (71 m² median across 33 EPCs). Today's modelled estimate of £318,000 is 38.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 19.9% below the postcode norm. Last sold in March 2016, so it's been off the market for around 10 years. 6 planning records sit against the property, 0 approved, 3 refused.