11 Cliftonville Court, Northampton, NN1 5BY

11 Cliftonville Court is a two-bedroom mid-terrace house in Northampton (NN1 5BY). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1967-1975 and council tax band A. At 59 m² this is the smallest unit on EPC record across the building (59–77 m²). The building's EPC ratings span E to C across 27 units on file. The latest certificate (October 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 71).

It hasn't traded since August 2001, a hold of 25 years that's notably long for the area. Across 1998–2001, sale prices on this property compounded at 14% per year. Today's modelled estimate of £139,000 sits 161% above the 2001 sale of £53,250. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 45.7% below the postcode norm.