111a, Abercromby Avenue, High Wycombe, HP12 3BN

111a is a one-bedroom semi-detached house in High Wycombe (HP12 3BN). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1900-1929 and council tax band B. At 38 m² this is the smallest unit on EPC record across the building (38–105 m²). The building's EPC ratings span E to C across 25 units on file. Our model identifies extension potential, subject to local planning policy. The latest certificate (February 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2010. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to C (score 76).

It hasn't traded since July 2000, a hold of 26 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £172,000 sits 191.8% above the 2000 sale of £58,950. On a £-per-square-foot basis, the last sale (£144/sq ft) was about 15.2% below the postcode norm. At 38 m² it sits well below the postcode median (81 m² across 24 EPCs), making it one of the more compact homes locally.