10 Corners, Welwyn Garden City, AL7 1RL

10 Corners is a one-bedroom end-of-terrace house in Welwyn Garden City (AL7 1RL). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1967-1975 and council tax band B. At 51 m² this is the 6th smallest of 20 units on EPC record in the building, where floor areas span 45–70 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (59 versus a best of 80). Other recorded features include outbuildings. The latest certificate (September 2020) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2009. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 69).

Sale prices here have outpaced England HPI: 3.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 87.3% above the typical sold price in the postcode. At 51 m² it's 17.2% smaller than the typical home in the postcode (62 m² median across 19 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Last sale on file: £200,000 in May 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.