Houghton, Flat 5, Rookery Road, Staines Upon Thames, TW18 1BT

Houghton is a one-bedroom detached house in Staines Upon Thames (TW18 1BT). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to before 1900 and council tax band C. At 62 m² this is the 3rd smallest of 5 units on EPC record in Houghton, where floor areas span 31–74 m². The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 67). The latest certificate (September 2019) shows an E (score 40), well below the UK norm with real room to improve.

Held since November 1999 — that's 27 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 £235,000 sits 201.3% above the 1999 sale of £78,000. On a £-per-square-foot basis, the last sale (£117/sq ft) was about 52.3% below the postcode norm. At 62 m² it's 16.2% smaller than the typical home in the postcode (74 m² median across 16 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).