4 Warren Bank, Simpson, Milton Keynes, MK6 3AQ

4 Warren Bank is a one-bedroom end-of-terrace house in Simpson, Milton Keynes, Milton Keynes (MK6 3AQ). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (December 2018) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Very Poor to Good and lighting went from Very Poor to Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity. At 49 m² this is the 15th smallest of 33 units on EPC record in the building, where floor areas span 43–76 m². The building's EPC ratings span E to C across 33 units on file.

Held since May 1999 — that's 27 years off the open market, well above the local norm. Across 1997–1999, sale prices on this property compounded at 17.8% per year. Today's modelled estimate of £139,000 sits 270.7% above the 1999 sale of £37,500. On a £-per-square-foot basis, the last sale (£71/sq ft) was about 54.6% below the postcode norm. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.