4a, Ash Tree Road, Watford, WD24 6RT

4a is a one-bedroom semi-detached house in Watford (WD24 6RT). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1930-1949 and council tax band B. Tenure is freehold. At 39 m² this is the smallest unit on EPC record across the building (39–95 m²). The building's EPC ratings span E to C across 6 units on file. The latest certificate (March 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2010. Between certificates, window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77).

Held since November 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £213,000 sits 88.5% above the 2002 sale of £113,000. On a £-per-square-foot basis, the last sale (£269/sq ft) was about 16% below the postcode norm. At 39 m² it sits well below the postcode median (85 m² across 5 EPCs), making it one of the more compact homes locally. One planning record on file: a loft conversion refused in 2016.