23a, Carclaze Road, St Austell, PL25 3AH

23a is a detached house in St Austell (PL25 3AH). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2013) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Very Poor to Good; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from May 2013, so improvements made since then won't be reflected.

Untraded for 19 years, with the last transfer in March 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1996–2007, sale prices on this property compounded at 9.2% per year. Today's modelled estimate of £394,000 is 38.2% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£222/sq ft) was about 16.3% above the typical sold price in the postcode.