12 High Street, Portsmouth, PO1 2LP

12 High Street is a six-bedroom mid-terrace house in Portsmouth (PO1 2LP). It has a recorded floor area of 267 m² (around 2874 sq ft) and construction records dating it to before 1900. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a basement. The latest certificate (January 2022) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.

Held since April 2002 — that's 24 years off the open market, well above the local norm. At 267 m² the property is well over the postcode median (117 m² across 16 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 1996–2002, sale prices on this property compounded at 29.2% per year. Today's modelled estimate of £1,058,000 sits 143.2% above the 2002 sale of £435,000. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 39.1% below the postcode norm. 5 planning records sit against the property, 1 approved, 1 refused. Past consents include subdivision, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations.