6 Rhiwddar Flats, Bryn Coch, Taffs Well, Cardiff, CF15 7QB

6 Rhiwddar Flats is a one-bedroom mid-terrace house in Taffs Well, Cardiff, Cardiff (CF15 7QB). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1950-1966 and council tax band B. At 43 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 36–89 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2021) shows a C (score 75), near the top of the C band. Earlier certificates rated it B (March 2011); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.

At 43 m² it sits well below the postcode median (63 m² across 8 EPCs), making it one of the more compact homes locally. Across 2012–2022, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £115,000 is 27.8% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£194/sq ft) was about 68.2% above the typical sold price in the postcode. Sold September 2022 for £90,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.