17 Bryn Y Mor Crescent, Swansea, SA1 4QT

17 Bryn Y Mor Crescent is a mid-terrace house in Swansea (SA1 4QT). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1900-1929 and council tax band C. At 91 m² this is the 6th smallest of 21 units on EPC record in the building, where floor areas span 46–210 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (October 2019) shows a C (score 72). When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Poor to Very Poor.

Across 1999–2021, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £212,000 is 29.3% below the 2021 sale of £300,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£306/sq ft) was about 350% above the typical sold price in the postcode. At 91 m² it sits well below the postcode median (161 m² across 20 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Sold February 2021 for £300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.