21b, Duckmoor Road, Bristol, BS3 2DD

21b is a two-bedroom mid-terrace house in Bristol (BS3 2DD). It has a recorded floor area of 66 m² (around 710 sq ft) and construction records dating it to 1950-1966. The latest certificate (June 2018) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Good to Very Good and lighting went from Very Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 73). At 66 m² this is the 6th smallest of 19 units on EPC record in the building, where floor areas span 37–172 m². The building's EPC ratings span E to C across 19 units on file.

Across 2001–2016, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £247,000 is 43.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£242/sq ft) was about 96.7% above the typical sold price in the postcode. 10 years since the last transfer (January 2016). At 66 m² it's 15.4% smaller than the typical home in the postcode (78 m² median across 18 EPCs).