18a, Desborough Park Road, High Wycombe, HP12 3BQ

18a is a property in High Wycombe (HP12 3BQ). It has a recorded floor area of 44 m² (around 478 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2010) shows an F (score 38), near the bottom of the EPC scale. The recommended improvements would push it to E (score 54). Main heating runs on electricity. The latest certificate is from July 2010, so improvements made since then won't be reflected. At 44 m² this is the 11th smallest of 48 units on EPC record in the building, where floor areas span 23–315 m². The building's EPC ratings span F to B, with this unit at the bottom.

At 44 m² it sits well below the postcode median (70 m² across 47 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sold in November 2015, so it's been off the market for around 11 years. Across the public record there are 5 sales, relatively high churn for a single property. Across 1995–2015, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £188,000 is 22.1% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£322/sq ft) was about 63% above the typical sold price in the postcode.