50a, Bierton Road, Aylesbury, HP20 1EJ

50a is a one-bedroom semi-detached house in Aylesbury (HP20 1EJ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band A. At 45 m² this is the smallest unit on EPC record across the building (45–168 m²). The building's EPC ratings span F to A across 24 units on file. The latest certificate (March 2016) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from March 2016, so improvements made since then won't be reflected.

At 45 m² it sits well below the postcode median (116 m² across 23 EPCs), making it one of the more compact homes locally. On the market in June 2016 and unlisted since — roughly 10 years. Across the public record there are 6 sales, relatively high churn for a single property. Across 1998–2016, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £179,000 is 11.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£330/sq ft) was about 83.3% above the typical sold price in the postcode.