24 Mayfair House, Piccadilly, York, YO1 9QJ

24 Mayfair House is a two-bedroom mid-terrace house in York (YO1 9QJ). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1991-1995 and council tax band D. At 64 m² this is the 11th 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 bottom. On EPC score it ranks last in the building (60 versus a best of 84). Other recorded features include a balcony. The latest certificate (February 2021) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it B (August 2014); the latest reading is 2 bands lower. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sale on file: £217,500 in June 2021. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2000–2021, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £244,000 is 12.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£316/sq ft) was about 33.2% above the typical sold price in the postcode.