Flat 5, 26 Wyndham Street, London, W1H 1DD

Flat 5 is a two-bedroom mid-terrace house in London (W1H 1DD). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (May 2018) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in January 2013 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and lighting went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 83), a 3-band jump. Main heating runs on electricity. At 32 m² this is the 3rd smallest of 7 units on EPC record in the building, where floor areas span 19–36 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 (42 versus a best of 72). Period features are noted in the property record.

Held since April 2001 — that's 25 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £546,000 sits 203.3% above the 2001 sale of £180,000. On a £-per-square-foot basis, the last sale (£523/sq ft) was about 73.7% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).