11 Heron Place, Oxford, OX2 7QR

11 Heron Place is a two-bedroom semi-detached house in Oxford (OX2 7QR). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1976-1982 and council tax band D. At 60 m² this is the 2nd smallest of 10 units on EPC record in the building, where floor areas span 59–85 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2019) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75).

Held since December 1999 — that's 26 years off the open market, well above the local norm. Across 1997–1999, sale prices on this property compounded at 22.4% per year. Today's modelled estimate of £382,000 sits 232.2% above the 1999 sale of £115,000. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 45.8% below the postcode norm.