11 Ashbrow Road, Northampton, NN4 8ST

11 Ashbrow Road is a four-bedroom end-of-terrace house in Northampton (NN4 8ST). It has a recorded floor area of 111 m² (around 1192 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (January 2010) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2009. Between certificates, wall efficiency went from Average to Good and roof efficiency went from Poor to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 72). The latest certificate is from January 2010, so improvements made since then won't be reflected.

Held since April 2010 — that's 16 years off the open market, well above the local norm. At 111 m² the property is well over the postcode median (76 m² across 22 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 1997–2010, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £226,000 sits 80.8% above the 2010 sale of £125,000. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 17.4% below the postcode norm.