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

17 Holm Oak Park is a mid-terrace house in Watford (WD18 0XP). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (September 2020) returns a high B (score 85), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since December 2008. Between certificates, window efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Average. Main heating runs on electricity. At 33 m² this is the 11th 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, with this unit at the top. On EPC score it ranks first in the building (85 versus a worst of 54).

It hasn't traded since April 2003, a hold of 23 years that's notably long for the area. Across 1997–2003, sale prices on this property compounded at 17% per year. Today's modelled estimate of £173,000 sits 82.1% above the 2003 sale of £95,000. On a £-per-square-foot basis, the last sale (£267/sq ft) was about 17.7% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).