4a, Queen Street, Piddington, High Wycombe, HP14 3BW

4a is a semi-detached house in Piddington, High Wycombe, High Wycombe (HP14 3BW). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1967-1975 and council tax band B. At 51 m² this is the smallest unit on EPC record across the building (51–119 m²). The building's EPC ratings span F to C across 13 units on file. The latest certificate (December 2014) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). Main heating runs on electricity. The latest certificate is from December 2014, so improvements made since then won't be reflected.

At 51 m² it sits well below the postcode median (83 m² across 12 EPCs), making it one of the more compact homes locally. On the market in November 2015 and unlisted since — roughly 11 years. Today's modelled estimate of £208,000 is 10.9% above the 2015 sale price.