Flat 3, 21 Burton Crescent, Leeds, LS6 4DN

Flat 3 is a two-bedroom semi-detached house in Leeds (LS6 4DN). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band C. At 70 m² this is the smallest unit on EPC record across the building (70–106 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2018) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Poor to Average. The recommended improvements would push it to C (score 71).

It hasn't traded since October 2004, a hold of 22 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Across 1995–2004, sale prices on this property compounded at 11.7% per year. Today's modelled estimate of £236,000 is 40.5% above the 2004 sale price. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 23.2% above the typical sold price in the postcode. At 70 m² it's 17.6% smaller than the typical home in the postcode (85 m² median across 34 EPCs).