3 Granby Court, Rosslyn Crescent, Harrow, HA1 2WY

3 Granby Court is a semi-detached house in Harrow (HA1 2WY). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 2003-2006 and council tax band E. At 56 m² this is the 2nd smallest of 10 units on EPC record in the building, where floor areas span 55–76 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 82). The latest certificate (June 2025) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it C (July 2015); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Very Good to Good. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.

It hasn't traded since May 2006, a hold of 20 years that's notably long for the area. At 56 m² it's 20% smaller than the typical home in the postcode (70 m² median across 9 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £332,000 is 42.7% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£386/sq ft) was about 19.2% above the typical sold price in the postcode.