27d, Gurnards Avenue, Fishermead, Milton Keynes, MK6 2BW

27d is a detached house in Fishermead, Milton Keynes, Milton Keynes (MK6 2BW). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1976-1982 and council tax band A. At 46 m² this is the smallest unit on EPC record across the building (46–132 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (59 versus a best of 79). The latest certificate (December 2019) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it C (December 2008); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average and lighting went from Poor to Very Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity.

Across 1999–2025, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £122,000 is 10.9% below the 2025 sale of £137,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£277/sq ft) was about 188.9% above the typical sold price in the postcode. It changed hands recently, sold February 2025 for £137,000. At 46 m² it sits well below the postcode median (102 m² across 33 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).