29 Botham Drive, Slough, SL1 2LZ

29 Botham Drive is a one-bedroom detached house in Slough (SL1 2LZ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1983-1990 and council tax band B. At 40 m² this is the 9th smallest of 40 units on EPC record in the building, where floor areas span 35–79 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (65 versus a best of 81). The latest certificate (May 2022) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity.

It hasn't traded since May 2006, a hold of 20 years that's notably long for the area. At 40 m² it's 24.5% smaller than the typical home in the postcode (53 m² median across 39 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Across 2000–2006, sale prices on this property compounded at 7% per year. Today's modelled estimate of £178,000 is 36.9% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£302/sq ft) was about 18.6% above the typical sold price in the postcode.