11 Buttermere Avenue, Slough, SL1 6EF

11 Buttermere Avenue is a two-bedroom semi-detached house in Slough (SL1 6EF). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (September 2023) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since August 2013. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Average to Good. 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 across 24 units on file.

Held since December 2007 — 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 2002–2007, sale prices on this property compounded at 11.3% per year. Today's modelled estimate of £240,000 sits 63.3% above the 2007 sale of £147,000. On a £-per-square-foot basis, the last sale (£224/sq ft) was about 51.5% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 0 refused.