Clandon House, Flat 10, Sells Close, Guildford, GU1 3JY

Clandon House is a two-bedroom mid-terrace house in Guildford (GU1 3JY). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1996-2002 and council tax band D. At 59 m² this is the smallest unit on EPC record across Clandon House (59–108 m²). The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (65 versus a best of 81). The latest certificate (November 2018) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it B (October 2008); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Very Poor and main heating dropped from Very Good to Very Poor. Main heating runs on electricity.

Held since April 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced Guildford HPI: 7.1% per year against 0% for the wider region. Today's modelled estimate of £370,000 is 41% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£413/sq ft) was about 36.4% above the typical sold price in the postcode. At 59 m² it sits well below the postcode median (91 m² across 30 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.