21 North Thirteenth Street, Milton Keynes, MK9 3NR

21 North Thirteenth Street is a two-bedroom mid-terrace house in Milton Keynes (MK9 3NR). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (July 2019) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2009. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 115 m² this is the 10th smallest of 14 units on EPC record in the building, where floor areas span 39–162 m². The building's EPC ratings span E to C across 14 units on file. Other recorded features include a balcony.

Held since October 1999 — that's 27 years off the open market, well above the local norm. Across 1997–1999, sale prices on this property compounded at 1.8% per year. Today's modelled estimate of £251,000 sits 128.2% above the 1999 sale of £110,000. On a £-per-square-foot basis, the last sale (£89/sq ft) was about 52% below the postcode norm. At 115 m² it's 25% larger than the typical home in the postcode (92 m² median across 13 EPCs).