48a, Balmoral Road, Watford, WD24 4EP

48a is a two-bedroom semi-detached house in Watford (WD24 4EP). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1900-1929 and council tax band B. At 53 m² this is the smallest unit on EPC record across the building (53–145 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2019) shows a C (score 73). The rating has held steady at C across 2 certificates since January 2009. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Very Poor.

At 53 m² it sits well below the postcode median (89 m² across 18 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). Across 2002–2017, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £274,000 is 11.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£429/sq ft) was about 101.1% above the typical sold price in the postcode. Last changed hands 9 years ago, in September 2017.