163a, High Street, Rickmansworth, WD3 1AY

163a is a one-bedroom mid-terrace house in Rickmansworth (WD3 1AY). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (July 2022) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2011); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity. At 66 m² this is the 13th smallest of 16 units on EPC record in the building, where floor areas span 43–120 m². The building's EPC ratings span F to B across 16 units on file. Period features are noted in the property record.

Today's modelled estimate of £296,000 sits 52.6% above the 2014 sale of £194,000. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 31.4% below the postcode norm. At 66 m² it's 22.2% larger than the typical home in the postcode (54 m² median across 15 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs). Last sold in February 2014, so it's been off the market for around 12 years.