66a, Merivale Road, Harrow, HA1 4BH

66a is a two-bedroom mid-terrace house in Harrow (HA1 4BH). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1900-1929 and council tax band C. At 60 m² this is the 14th smallest of 30 units on EPC record in the building, where floor areas span 23–109 m². The building's EPC ratings span G to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (December 2024) shows a C (score 70). When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good.

On the market in April 2017 and unlisted since — roughly 9 years. Across the public record there are 5 sales, relatively high churn for a single property. At 60 m² it's 18.9% smaller than the typical home in the postcode (74 m² median across 29 EPCs). Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Across 1998–2017, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £344,000 is 10.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£484/sq ft) was about 57.3% above the typical sold price in the postcode.