129a, Admiralty Street, Keyham, Plymouth, PL2 2BP

129a is an end-of-terrace house in Keyham, Plymouth, Plymouth (PL2 2BP). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 1930-1949. The latest certificate (February 2015) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since July 2009. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 73). The latest certificate is from February 2015, so improvements made since then won't be reflected. At 56 m² this is the 2nd smallest of 24 units on EPC record in the building, where floor areas span 45–131 m². The building's EPC ratings span F to C across 24 units on file.

Held since February 2002 — that's 24 years off the open market, well above the local norm. Across 1996–2002, sale prices on this property compounded at 11.9% per year. Today's modelled estimate of £116,000 sits 190.4% above the 2002 sale of £39,949. On a £-per-square-foot basis, the last sale (£66/sq ft) was about 34.8% below the postcode norm. At 56 m² it sits well below the postcode median (101 m² across 23 EPCs), making it one of the more compact homes locally.