3 Buttermere Avenue, Slough, SL1 6EF

3 Buttermere Avenue is a 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 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 (September 2013) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 63). Main heating runs on electricity. The latest certificate is from September 2013, so improvements made since then won't be reflected.

It hasn't traded since December 1997, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £226,000 sits 370.8% above the 1997 sale of £48,000. On a £-per-square-foot basis, the last sale (£73/sq ft) was about 57.6% below the postcode norm. 2 planning records sit against the property, 1 approved, 0 refused.