Flat 1, 20 Clifton Road, Littlehampton, BN17 5AS

Flat 1 is a two-bedroom mid-terrace house in Littlehampton (BN17 5AS). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band A. Tenure is freehold. At 55 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 34–66 m². On EPC score it ranks first in the building (68 versus a worst of 63). The latest certificate (August 2018) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).

Held since March 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £151,000 is 34.8% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£189/sq ft) was about 48.1% above the typical sold price in the postcode.