103b, Bayard Avenue, Downs Barn, Milton Keynes, MK14 7LW

103b is a mid-terrace house in Downs Barn, Milton Keynes, Milton Keynes (MK14 7LW). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1976-1982 and council tax band A. At 48 m² this is the 3rd smallest of 23 units on EPC record in the building, where floor areas span 47–102 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (48 versus a best of 79). The latest certificate (September 2022) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since December 2011. Between certificates, wall efficiency went from Average to Good and window efficiency went from Very Poor to Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to D (score 63). Main heating runs on electricity.

Untraded for 24 years, with the last transfer in August 2002. At 48 m² it sits well below the postcode median (69 m² across 22 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2002, sale prices on this property compounded at 29.9% per year. Today's modelled estimate of £134,000 sits 94.2% above the 2002 sale of £69,000. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 15.7% below the postcode norm.