9 Loudwater House, Loudwater Drive, Loudwater, Rickmansworth, WD3 4HN

9 Loudwater House is a two-bedroom mid-terrace house in Loudwater, Rickmansworth, Rickmansworth (WD3 4HN). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (March 2021) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in June 2010 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Good to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 79). At 82 m² this is the 2nd smallest of 9 units on EPC record in the building, where floor areas span 47–179 m². The building's EPC ratings span F to C across 9 units on file.

At 82 m² it sits well below the postcode median (129 m² across 10 EPCs), making it one of the more compact homes locally. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include tree works, meaningful when judging how the property has evolved. On the market in July 2012 and unlisted since — roughly 14 years. Across 1996–2012, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £507,000 is 26.8% above the 2012 sale price.