34b, Princess Road, London, NW6 5QU

34b is an end-of-terrace house in London (NW6 5QU). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (May 2019) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in May 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and main heating went from Average to Good. The recommended improvements would push it to C (score 78). At 56 m² this is the 4th smallest of 10 units on EPC record in the building, where floor areas span 43–100 m². The building's EPC ratings span D to C, with this unit at the bottom.

Held since May 1998 — that's 28 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 £409,000 sits 596.2% above the 1998 sale of £58,750. On a £-per-square-foot basis, the last sale (£97/sq ft) was about 86.6% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. The record references listed-building consent, which constrain future alterations.