12 Blackwell End, Potterspury, Towcester, NN12 7QE

12 Blackwell End is a four-bedroom mid-terrace house in Potterspury, Towcester, Towcester (NN12 7QE). It has a recorded floor area of 116 m² (around 1245 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2009) shows a C (score 69), just inside the C band. The latest certificate is from March 2009, so improvements made since then won't be reflected.

Untraded for 20 years, with the last transfer in March 2006. At 116 m² the property is well over the postcode median (73 m² across 41 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Across 2003–2006, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £320,000 sits 79.8% above the 2006 sale of £178,000. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 28% below the postcode norm.