9a, Castle Place, High Wycombe, HP13 6RX

9a is a one-bedroom end-of-terrace house in High Wycombe (HP13 6RX). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to before 1900 and council tax band A. At 35 m² this is the 2nd smallest of 11 units on EPC record in the building, where floor areas span 31–82 m². The building's EPC ratings span E to C across 11 units on file. The latest certificate (November 2012) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from November 2012, so improvements made since then won't be reflected.

At 35 m² it sits well below the postcode median (72 m² across 10 EPCs), making it one of the more compact homes locally. Sold September 2018 for £175,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2013–2018, sale prices on this property compounded at 19.1% per year. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 111.6% above the typical sold price in the postcode.