21 Alltywerin, Pontardawe, Swansea, SA8 4NQ

21 Alltywerin is a three-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 4NQ). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (April 2022) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in March 2012 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include a conservatory.

At 115 m² the property is well over the postcode median (85 m² across 31 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Across 2013–2022, sale prices on this property compounded at 11.2% per year. Today's modelled estimate of £197,000 is 15.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 43.4% above the typical sold price in the postcode. Sold April 2022 for £170,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.