100b, Abercromby Avenue, High Wycombe, HP12 3BD

100b is a semi-detached house in High Wycombe (HP12 3BD). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 1930-1949. The latest certificate (September 2025) 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 September 2008. Between certificates, lighting went from Very Poor to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). At 56 m² this is the 7th smallest of 24 units on EPC record in the building, where floor areas span 32–117 m². The building's EPC ratings span E to C across 24 units on file.

Held since October 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1999–2009, sale prices on this property compounded at 8.2% per year. Today's modelled estimate of £173,000 sits 58.7% above the 2009 sale of £109,000. At 56 m² it sits well below the postcode median (80 m² across 23 EPCs), making it one of the more compact homes locally.