3 Catherine Street, Swansea, SA1 4JT

3 Catherine Street is a two-bedroom mid-terrace house in Swansea (SA1 4JT). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2026) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good and main heating went from Average to Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 77).

It hasn't traded since September 2009, a hold of 17 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1995–2009, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £153,000 is 28.6% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£129/sq ft) was about 16% above the typical sold price in the postcode.