138a, Liverpool Road, Watford, WD18 0DN

138a is a one-bedroom end-of-terrace house in Watford (WD18 0DN). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Very Poor to Poor. The recommended improvements would push it to C (score 76).

Untraded for 19 years, with the last transfer in July 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2003–2007, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £223,000 sits 62.8% above the 2007 sale of £137,000. On a £-per-square-foot basis, the last sale (£398/sq ft) was about 88.4% above the typical sold price in the postcode. At 32 m² it sits well below the postcode median (75 m² across 44 EPCs), making it one of the more compact homes locally.