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 474 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2026) shows an E (score 45), well below the UK norm with real room to improve. When first surveyed in July 2010 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

At 44 m² it sits well below the postcode median (71 m² across 48 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). 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 £189,000 is 22.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 64.9% above the typical sold price in the postcode.