17 Challener Road, High Wycombe, HP12 4PW

17 Challener Road is an end-of-terrace house in High Wycombe (HP12 4PW). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2016) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Average and main heating went from Average to Good. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from June 2016, so improvements made since then won't be reflected.

Most recent transfer: March 2021 at £264,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs). Across 2002–2021, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £338,000 is 28% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 63.5% above the typical sold price in the postcode.