20 Lynmouth Crescent, Rumney, Cardiff, CF3 4AT

20 Lynmouth Crescent is a mid-terrace house in Rumney, Cardiff, Cardiff (CF3 4AT). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (November 2013) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected. At 62 m² this is the 11th smallest of 39 units on EPC record in the building, where floor areas span 47–67 m². The building's EPC ratings span F to C across 39 units on file.

Held since September 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £123,000 sits 296.8% above the 1997 sale of £31,000. On a £-per-square-foot basis, the last sale (£46/sq ft) was about 50% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs).