1 Holm Oak Park, Hagden Lane, Watford, WD18 0XP

1 Holm Oak Park is an end-of-terrace house in Watford (WD18 0XP). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (March 2025) 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 November 2009. Between certificates, main heating went from Poor to Average. The recommended improvements would push it to C (score 72). Main heating runs on electricity. At 32 m² this is the 5th smallest of 37 units on EPC record in the building, where floor areas span 27–67 m². The building's EPC ratings span E to B across 37 units on file.

Held since August 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £168,000 sits 243.2% above the 1999 sale of £48,950. On a £-per-square-foot basis, the last sale (£142/sq ft) was about 37.4% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs).