12 Harp Island Close, Brent, London, NW10 0DD

12 Harp Island Close is a one-bedroom semi-detached house in Brent, London, London (NW10 0DD). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (November 2024) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (December 2014); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity. At 36 m² this is the 4th smallest of 10 units on EPC record in the building, where floor areas span 34–56 m². The building's EPC ratings span F to C across 10 units on file.

It hasn't traded since February 2005, a hold of 21 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Sale prices here have outpaced London HPI: 15.1% per year against 0% for the wider region. Today's modelled estimate of £226,000 sits 68.7% above the 2005 sale of £134,000. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 29.2% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.