21a, Prince Of Wales Avenue, Reading, RG30 2UH

21a is a one-bedroom end-of-terrace house in Reading (RG30 2UH). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (December 2024) shows an E (score 40), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since October 2014. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Average. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. At 36 m² this is the 6th smallest of 51 units on EPC record in the building, where floor areas span 28–128 m². The building's EPC ratings span G to C across 51 units on file. Other recorded features include a basement.

Across 1999–2016, sale prices on this property compounded at 7.9% per year. Today's modelled estimate of £223,000 is 10.8% below the 2016 sale of £250,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£645/sq ft) was about 215.7% above the typical sold price in the postcode. At 36 m² it sits well below the postcode median (76 m² across 50 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in August 2016 and unlisted since — roughly 10 years.