10 Spring Terrace, Swansea, SA1 3TD

10 Spring Terrace is a four-bedroom mid-terrace house in Swansea (SA1 3TD). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2016) shows an F (score 33), near the bottom of the EPC scale. Earlier certificates rated it D (October 2008); the latest reading is 2 bands lower. Between certificates, hot-water efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. The recommended improvements would lift it to B (score 81), a 4-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.

Held since December 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2002–2008, sale prices on this property compounded at 12% per year. Today's modelled estimate of £177,000 is 24.2% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£147/sq ft) was about 18.3% above the typical sold price in the postcode.