85b, Penryn Avenue, Fishermead, Milton Keynes, MK6 2BG

85b is a one-bedroom mid-terrace house in Fishermead, Milton Keynes, Milton Keynes (MK6 2BG). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1967-1975 and council tax band A. At 50 m² this is the 2nd smallest of 55 units on EPC record in the building, where floor areas span 38–128 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2025) shows a C (score 70). When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average, window efficiency went from Very Poor to Average and lighting went from Average to Very Good.

Held since January 2007 — that's 19 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 50 m² it sits well below the postcode median (106 m² across 54 EPCs), making it one of the more compact homes locally. Across 1999–2007, sale prices on this property compounded at 18.5% per year. Today's modelled estimate of £131,000 is 45.6% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 60.9% above the typical sold price in the postcode.