Flat 1, 13 Farquharson Road, Croydon, CR0 2UH

Flat 1 is a semi-detached house in Croydon (CR0 2UH). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1930-1949 and council tax band B. At 48 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 41–48 m². The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (62 versus a worst of 47). The latest certificate (April 2018) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was G, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Poor to Very Good and main heating went from Very Poor to Good. The recommended improvements would push it to C (score 76).

Held since October 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2003–2008, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £183,000 is 27.5% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 31.9% above the typical sold price in the postcode.