21 Gardiner Court, Blue Bridge, Milton Keynes, MK13 0LR

21 Gardiner Court is a one-bedroom mid-terrace house in Blue Bridge, Milton Keynes, Milton Keynes (MK13 0LR). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1976-1982 and council tax band B. At 37 m² this is the 2nd smallest of 40 units on EPC record in the building, where floor areas span 33–147 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (February 2019) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74).

It hasn't traded since August 2000, a hold of 26 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. Today's modelled estimate of £170,000 sits 226.9% above the 2000 sale of £52,000. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 41.2% below the postcode norm. At 37 m² it sits well below the postcode median (61 m² across 39 EPCs), making it one of the more compact homes locally.