Flat 4, 7 Park Road, Grendon Underwood, Aylesbury, HP18 0TD

Flat 4 is an end-of-terrace house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0TD). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1967-1975 and council tax band C. At 149 m² this is the largest unit on EPC record across the building (52–149 m²). The building's EPC ratings span G to C across 8 units on file. The latest certificate (June 2015) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 4 certificates since December 2010. Between certificates, wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Average. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from June 2015, so improvements made since then won't be reflected.

At 149 m² the property is well over the postcode median (98 m² across 13 EPCs), placing it in the larger end of the local stock. Sold April 2021 for £205,000. Across the public record there are 6 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. Across 2005–2021, sale prices on this property compounded at 2% per year. Today's modelled estimate of £252,000 is 22.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£128/sq ft) was about 31.2% below the postcode norm.