20 Blackwell End, Potterspury, Towcester, NN12 7QE

20 Blackwell End is a three-bedroom mid-terrace house in Potterspury, Towcester, Towcester (NN12 7QE). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1950-1966 and council tax band B. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Records show the property has been extended at some point in its history. The latest certificate (September 2021) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68).

At 110 m² the property is well over the postcode median (73 m² across 41 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 2002–2022, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £341,000 is 13.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£253/sq ft) was about 30.4% above the typical sold price in the postcode. Last sale on file: £300,000 in January 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.