15b, Trewartha Park, Weston Super Mare, BS23 2RP

15b is a semi-detached house in Weston Super Mare (BS23 2RP). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1900-1929 and council tax band C. At 117 m² this is the 39th smallest of 43 units on EPC record in the building, where floor areas span 21–164 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (May 2024) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since January 2014. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Poor to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to D (score 65). Main heating runs on electricity.

At 117 m² the property is well over the postcode median (50 m² across 42 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 2015–2018, sale prices on this property compounded at 13.4% per year. Today's modelled estimate of £191,000 is 24% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£122/sq ft) was about 28.1% below the postcode norm. 8 years since the last transfer (January 2018).