Castle Dyke House, Ringinglow Road, Sheffield, S11 7TA

Castle Dyke House is a ten-bedroom detached house in Sheffield (S11 7TA). It has a recorded floor area of 1176 m² (around 12658 sq ft), construction records dating it to 1900-1929 and council tax band D. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a self-contained annexe, outbuildings and attached land beyond the plot. The latest certificate (November 2014) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2014. Between certificates, roof efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 73). The latest certificate is from November 2014, so improvements made since then won't be reflected.

Held since January 1998 — that's 28 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 1176 m² the property is well over the postcode median (199 m² across 6 EPCs), placing it in the larger end of the local stock. 10 bedrooms is on the larger side for this postcode, where 4 is the typical count. Today's modelled estimate of £1,195,000 sits 8001.7% above the 1998 sale of £14,750. On a £-per-square-foot basis, the last sale (£1/sq ft) was about 99.6% below the postcode norm. 6 planning records sit against the property, 5 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.