12 Chartwell, Mount Hermon Road, Woking, GU22 7TT

12 Chartwell is a mid-terrace house in Woking (GU22 7TT). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (June 2017) shows a D (score 56), a step below the typical UK home. Earlier certificates rated it C (July 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. Main heating runs on electricity. At 30 m² this is the 2nd smallest of 18 units on EPC record in the building, where floor areas span 29–48 m². The building's EPC ratings span E to C across 18 units on file.

At 30 m² it sits well below the postcode median (46 m² across 27 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Across 2003–2017, sale prices on this property compounded at 4.3% per year. On a £-per-square-foot basis, the last sale (£557/sq ft) was about 81.3% above the typical sold price in the postcode. Last sold in May 2017, so it's been off the market for around 9 years.