Castle Rock House, Nant Y Croft, Rassau, Ebbw Vale, NP23 5BY

Castle Rock House is a detached house in Rassau, Ebbw Vale, Ebbw Vale (NP23 5BY). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (April 2023) returns a B (score 83), comfortably above the UK average. When first surveyed in February 2010 the rating was D, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Poor and main heating went from Average to Good; while window efficiency dropped from Good to Average.

At 172 m² the property is well over the postcode median (87 m² across 5 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. Last sale on file: £340,000 in February 2024. Across the public record there are 4 sales, relatively high churn for a single property. Across 2004–2024, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £375,000 is 10.3% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£184/sq ft) was about 28.2% above the typical sold price in the postcode.