11 Third Avenue, Clase, Swansea, SA6 7LT

11 Third Avenue is a three-bedroom mid-terrace house in Clase, Swansea, Swansea (SA6 7LT). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (September 2020) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Good and main heating went from Poor to Good; while lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include a conservatory.

At 72 m² the property is well over the postcode median (44 m² across 15 EPCs), placing it in the larger end of the local stock. Across 2010–2021, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £135,000 sits 74.2% above the 2021 sale of £77,500. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 18.3% below the postcode norm. Most recent transfer: January 2021 at £77,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.