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

4 Granby Court is a two-bedroom end-of-terrace house in Harrow (HA1 2WY). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (October 2021) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity. At 70 m² this is the 6th 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 across 10 units on file. Other recorded features include a balcony.

Held since May 2006 — that's 20 years off the open market, well above the local norm. Today's modelled estimate of £363,000 sits 56% above the 2006 sale of £232,687. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).