9 Buttermere Avenue, Slough, SL1 6EF

9 Buttermere Avenue is a detached house in Slough (SL1 6EF). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band C. At 61 m² this is the 5th smallest of 24 units on EPC record in the building, where floor areas span 51–74 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (August 2013) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from August 2013, so improvements made since then won't be reflected.

Held since November 2003 — that's 23 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2003, sale prices on this property compounded at 17.1% per year. Today's modelled estimate of £276,000 sits 97.1% above the 2003 sale of £140,000. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 44.3% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 0 refused.