23 Ty Gwyn Gardens, Penylan, Cardiff, CF23 5BF

23 Ty Gwyn Gardens is a six-bedroom detached house in Penylan, Cardiff, Cardiff (CF23 5BF). It has a recorded floor area of 318 m² (around 3423 sq ft) and construction records dating it to 2012-2021. The latest certificate (January 2026) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 3 certificates since June 2013. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory and outbuildings.

At 318 m² the property is well over the postcode median (234 m² across 22 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £830,000 is 15.3% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 21.5% below the postcode norm. Last changed hands 12 years ago, in March 2014.