5 Claybee Court, Palmerston Road, London, N22 8QZ

5 Claybee Court is a one-bedroom semi-detached house in London (N22 8QZ). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1967-1975 and council tax band C. At 51 m² this is the largest unit on EPC record across the building (47–51 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (48 versus a best of 70). The latest certificate (July 2019) shows an E (score 48), well below the UK norm with real room to improve. When first surveyed in June 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.

Untraded for 20 years, with the last transfer in March 2006. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £286,000 sits 102.8% above the 2006 sale of £141,000. On a £-per-square-foot basis, the last sale (£257/sq ft) was about 22.9% below the postcode norm.