122a, Abercromby Avenue, High Wycombe, HP12 3BJ

122a is a semi-detached house in High Wycombe (HP12 3BJ). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1900-1929 and council tax band B. At 39 m² this is the 2nd smallest of 17 units on EPC record in the building, where floor areas span 34–86 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (72 versus a worst of 43). The latest certificate (April 2024) shows a C (score 72). When first surveyed in April 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

At 39 m² it sits well below the postcode median (71 m² across 16 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2004–2022, sale prices on this property compounded at 1.7% per year. Today's modelled estimate of £172,000 is 37.6% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£298/sq ft) was about 59.8% above the typical sold price in the postcode. Last sale on file: £125,000 in September 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.