Elgin House, Flat 5, Old Bath Road, Colnbrook, Slough, SL3 0HZ

Elgin House is a one-bedroom semi-detached house in Colnbrook, Slough, Slough (SL3 0HZ). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 1900-1929 and council tax band B. At 32 m² this is the 4th smallest of 5 units on EPC record in Elgin House, where floor areas span 27–32 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). The latest certificate (September 2019) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 66).

It hasn't traded since January 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2000–2007, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £153,000 sits 62.8% above the 2007 sale of £94,000. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 39.1% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).