30a, Axbridge Crescent, Llanrumney, Cardiff, CF3 5TJ

30a is a two-bedroom semi-detached house in Llanrumney, Cardiff, Cardiff (CF3 5TJ). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1967-1975 and council tax band C. At 55 m² this is the smallest unit on EPC record across the building (55–151 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (March 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since March 2014. Between certificates, wall efficiency dropped from Good to Average.

Held since July 2006 — that's 20 years off the open market, well above the local norm. At 55 m² it sits well below the postcode median (97 m² across 24 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). On a £-per-square-foot basis, the last sale (£186/sq ft) was about 23.9% above the typical sold price in the postcode.