30b, Cavendish Street, Keighley, BD21 3RG

30b is a detached house in Keighley (BD21 3RG). It has a recorded floor area of 60 m² (around 646 sq ft) and construction records dating it to 1900-1929. At 60 m² this is the smallest unit on EPC record across 30b (60–60 m²). On EPC score it ranks last in the building (76 versus a best of 76). The latest certificate (April 2018) shows a C (score 76), near the top of the C band. When first surveyed in July 2011 the rating was G, the property has climbed 4 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 87). Main heating runs on electricity.

Across 2018–2022, sale prices on this property compounded at 11.6% per year. Today's modelled estimate of £167,000 is 38.1% below the 2022 sale of £270,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£418/sq ft) was about 225% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Sold November 2022 for £270,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.