11a Herga Court, Sudbury Hill, Harrow, HA1 3RS

11a Herga Court is a one-bedroom mid-terrace house in Harrow (HA1 3RS). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1900-1929 and council tax band C. At 35 m² this is the 4th smallest of 50 units on EPC record in the building, where floor areas span 23–120 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2019) shows a C (score 70). When first surveyed in May 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good.

It hasn't traded since September 2009, a hold of 17 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1995–2009, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £237,000 sits 52.9% above the 2009 sale of £155,000. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 82.1% above the typical sold price in the postcode. At 35 m² it sits well below the postcode median (84 m² across 49 EPCs), making it one of the more compact homes locally.