23 Union Hill, St Columb, TR9 6AR

23 Union Hill is a three-bedroom detached house in St Columb (TR9 6AR). It has a recorded floor area of 233 m² (around 2508 sq ft) and construction records dating it to 1967-1975. Tenure is freehold. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Period features are noted in the property record. The latest certificate (January 2024) returns an A (score 97), the top energy band on the EPC scale. When first surveyed in February 2010 the rating was D, the property has climbed 3 bands since. Between certificates, wall efficiency went from Good to Very Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Poor to Very Good; while hot-water efficiency dropped from Good to Poor. Main heating runs on electricity: electricity, unspecified tariff.

At 233 m² the property is well over the postcode median (102 m² across 10 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2010–2021, sale prices on this property compounded at 6% per year. Today's modelled estimate of £509,000 sits 69.7% above the 2021 sale of £300,000. On a £-per-square-foot basis, the last sale (£120/sq ft) was about 40.8% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Sold June 2021 for £300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.