42a, Marlborough Road, Cardiff, CF23 5BX

42a is an end-of-terrace house in Cardiff (CF23 5BX). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1900-1929. At 75 m² this is the 60th smallest of 72 units on EPC record in the building, where floor areas span 22–214 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2020) shows a C (score 69), just inside the C band. When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Good to Average.

At 75 m² it's 27.1% larger than the typical home in the postcode (59 m² median across 71 EPCs). Today's modelled estimate of £255,000 is 18.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£266/sq ft) was about 71.5% above the typical sold price in the postcode. Last sale on file: £215,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.