23 Castle Street, Plymouth, PL1 2NJ

23 Castle Street is a one-bedroom end-of-terrace house in Plymouth (PL1 2NJ). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1991-1995 and council tax band B. Tenure is freehold. The latest certificate (August 2022) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it B (June 2010); the latest reading is 2 bands lower. Between certificates, hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. At 36 m² this is the 6th smallest of 50 units on EPC record in the building, where floor areas span 29–80 m². The building's EPC ratings span E to B across 50 units on file. Other recorded features include a balcony and notable views.

One planning record on file: tree works approved in 2012. Past consents include tree works, meaningful when judging how the property has evolved. Across 1998–2022, sale prices on this property compounded at 5.9% per year. On a £-per-square-foot basis, the last sale (£400/sq ft) was about 85.4% above the typical sold price in the postcode. At 36 m² it's 24.7% smaller than the typical home in the postcode (48 m² median across 49 EPCs). Last sale on file: £155,000 in December 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.