51 Castle Road, Wellingborough, NN8 1LL

51 Castle Road is a three-bedroom detached house in Wellingborough (NN8 1LL). It has a recorded floor area of 155 m² (around 1668 sq ft), construction records dating it to before 1900 and council tax band D. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (September 2012) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected.

Held since July 2004 — that's 22 years off the open market, well above the local norm. At 155 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 2003–2004, sale prices on this property compounded at 35.5% per year. Today's modelled estimate of £340,000 sits 61.9% above the 2004 sale of £210,000. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 45.6% above the typical sold price in the postcode. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.