27 Bellamy House, Preston Hill, Harrow, HA3 9UT

27 Bellamy House is a three-bedroom end-of-terrace house in Harrow (HA3 9UT). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2019) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Very Poor to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 77). At 82 m² this is the 17th smallest of 20 units on EPC record in the building, where floor areas span 36–85 m². The building's EPC ratings span F to B across 20 units on file.

It hasn't traded since March 2003, a hold of 23 years that's notably long for the area. Sale prices here have outpaced Harrow HPI: 17.8% per year against 0% for the wider region. Today's modelled estimate of £348,000 sits 103.5% above the 2003 sale of £171,000. On a £-per-square-foot basis, the last sale (£194/sq ft) was about 29.9% below the postcode norm. At 82 m² the property is well over the postcode median (42 m² across 19 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).