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

13 Rhiwddar Flats is a three-bedroom mid-terrace house in Taffs Well, Cardiff, Cardiff (CF15 7QB). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1967-1975 and council tax band C. At 89 m² this is the largest unit on EPC record across the building (36–89 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (December 2025) shows a C (score 73). The rating has held steady at C across 2 certificates since April 2013. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.

At 89 m² the property is well over the postcode median (44 m² across 8 EPCs), placing it in the larger end of the local stock. Across 2013–2022, sale prices on this property compounded at 10.2% per year. Today's modelled estimate of £193,000 is 24.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 17% above the typical sold price in the postcode. Sold November 2022 for £155,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.