1 Castle Road, Wellingborough, NN8 1LL

1 Castle Road is a three-bedroom end-of-terrace house in Wellingborough (NN8 1LL). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2014) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since June 2009. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Good. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected.

Held since October 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 141 m² the property is well over the postcode median (55 m² across 17 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Across 1998–2009, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £282,000 sits 56.7% above the 2009 sale of £180,000. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 41.2% above the typical sold price in the postcode.