Flat 1, 1 Mayfield Grove, Harrogate, HG1 5HD

Flat 1 is a detached house in Harrogate (HG1 5HD). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (December 2020) shows a D (score 58), a step below the typical UK home. When first surveyed in August 2009 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Average; while lighting dropped from Poor to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on to be used only when there is no heating/hot. At 26 m² this is the 2nd smallest of 16 units on EPC record in the building, where floor areas span 25–119 m². The building's EPC ratings span E to C across 16 units on file.

At 26 m² it sits well below the postcode median (59 m² across 63 EPCs), making it one of the more compact homes locally. One planning record on file: a basement excavation approved in 2019. Past consents include a basement excavation, meaningful when judging how the property has evolved. Across 2001–2022, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £132,000 is 12.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£420/sq ft) was about 104.9% above the typical sold price in the postcode. Sold April 2022 for £117,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.