13 Bryanston Avenue, Aylesbury, HP20 2BA

13 Bryanston Avenue is a one-bedroom semi-detached house in Aylesbury (HP20 2BA). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (December 2014) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Average to Very Poor. The recommended improvements would push it to C (score 76). The latest certificate is from December 2014, so improvements made since then won't be reflected. At 42 m² this is the 3rd smallest of 30 units on EPC record in the building, where floor areas span 39–99 m². The building's EPC ratings span F to C across 30 units on file.

At 42 m² it sits well below the postcode median (68 m² across 29 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Across 2003–2014, sale prices on this property compounded at 11% per year. Today's modelled estimate of £151,000 is 34.8% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 26.2% above the typical sold price in the postcode. On the market in July 2014 and unlisted since — roughly 12 years.