2 The Firs, Grendon Underwood, Aylesbury, HP18 0RW

2 The Firs is a two-bedroom end-of-terrace house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0RW). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 2012 onwards and council tax band B. At 48 m² this is the smallest unit on EPC record across the building (48–211 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (June 2026) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (July 2016); the latest reading is one band lower. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

At 48 m² it sits well below the postcode median (74 m² across 7 EPCs), making it one of the more compact homes locally. On the market in December 2016 and unlisted since — roughly 10 years. Today's modelled estimate of £198,000 is 10% above the 2016 sale price.