9 Johnston Place, Oldbrook, Milton Keynes, MK6 2JY

9 Johnston Place is a semi-detached house in Oldbrook, Milton Keynes, Milton Keynes (MK6 2JY). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (September 2019) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2009); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 69 m² this is the 18th smallest of 25 units on EPC record in the building, where floor areas span 44–86 m². The building's EPC ratings span E to B across 25 units on file.

11 years since the last transfer (September 2015). Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: new windows approved in 2014. Past consents include new windows, meaningful when judging how the property has evolved. At 69 m² it's 21.1% larger than the typical home in the postcode (57 m² median across 24 EPCs). Across 1998–2015, sale prices on this property compounded at 10% per year. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 207% above the typical sold price in the postcode.