21 Chestnut Close, Aston Clinton, Aylesbury, HP22 5QR

21 Chestnut Close is a one-bedroom property in Aston Clinton, Aylesbury, Aylesbury (HP22 5QR). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1967-1975 and council tax band B. Tenure is freehold. At 45 m² this is the 3rd smallest of 19 units on EPC record in the building, where floor areas span 35–98 m². The building's EPC ratings span E to C across 19 units on file. The home occupies a cul-de-sac position. The latest certificate (March 2026) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.

Held since December 2001 — that's 25 years off the open market, well above the local norm. Across 1996–2001, sale prices on this property compounded at 11% per year. Today's modelled estimate of £183,000 sits 181.1% above the 2001 sale of £65,100. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 34.5% below the postcode norm. At 45 m² it sits well below the postcode median (78 m² across 18 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs).