21 Mayfair House, Piccadilly, York, YO1 9QJ

21 Mayfair House is a two-bedroom mid-terrace house in York (YO1 9QJ). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (April 2026) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 3 certificates since April 2013. Between certificates, window efficiency dropped from Good to Poor and lighting dropped from Very Good to Good. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 76 m² this is the 18th 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 notable views.

At 76 m² it's 16.9% larger than the typical home in the postcode (65 m² median across 23 EPCs). Across 2000–2016, sale prices on this property compounded at 4.9% per year. On a £-per-square-foot basis, the last sale (£302/sq ft) was about 26.7% above the typical sold price in the postcode. On the market in March 2016 and unlisted since — roughly 10 years.