36 St Williams Way, Norwich, NR7 0AW

36 St Williams Way is a semi-detached house in Norwich (NR7 0AW). It has a recorded floor area of 51 m² (around 553 sq ft), construction records dating it to 1976-1982 and council tax band D. At 51 m² this is the smallest unit on EPC record across the building (51–189 m²). The building's EPC ratings span G to C across 12 units on file. The latest certificate (July 2010) shows an F (score 29), near the bottom of the EPC scale. Earlier certificates rated it D (October 2008); the latest reading is 2 bands lower. Between certificates, roof efficiency went from Very Poor to Poor and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Very Poor and lighting dropped from Good to Poor. The recommended improvements would push it to E (score 48). Main heating runs on electricity. The latest certificate is from July 2010, so improvements made since then won't be reflected.

At 51 m² it sits well below the postcode median (93 m² across 11 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. Across 2005–2015, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £279,000 is 11.6% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£452/sq ft) was about 116.1% above the typical sold price in the postcode. Last sold in January 2015, so it's been off the market for around 11 years.