6 Birchfield Crescent, Northampton, NN3 2TG

6 Birchfield Crescent is a three-bedroom mid-terrace house in Northampton (NN3 2TG). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (September 2019) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Average; while wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump.

Untraded for 18 years, with the last transfer in March 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2007–2008, sale prices on this property compounded at 24.1% per year. Today's modelled estimate of £207,000 sits 56.8% above the 2008 sale of £132,000. On a £-per-square-foot basis, the last sale (£170/sq ft) was about 29% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).