11 Mayfair House, Piccadilly, York, YO1 9QJ

11 Mayfair House is a one-bedroom mid-terrace house in York (YO1 9QJ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (February 2023) returns a B (score 83), comfortably above the UK average. When first surveyed in March 2016 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. Main heating runs on electricity. At 45 m² this is the 2nd smallest of 24 units on EPC record in the building, where floor areas span 43–119 m². The building's EPC ratings span D to B, with this unit at the top. Other recorded features include a balcony.

At 45 m² it sits well below the postcode median (65 m² across 23 EPCs), making it one of the more compact homes locally. Across 2000–2016, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£347/sq ft) was about 46.2% above the typical sold price in the postcode. 10 years since the last transfer (November 2016).