11 Granogwen Road, Mayhill, Swansea, SA1 6UN

11 Granogwen Road is a four-bedroom semi-detached house in Mayhill, Swansea, Swansea (SA1 6UN). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (November 2025) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since December 2008. Between certificates, lighting went from Poor to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 74). Our model identifies extension potential, subject to local planning policy.

At 104 m² the property is well over the postcode median (66 m² across 36 EPCs), placing it in the larger end of the local stock. Most recent transfer was May 2026 at £126,000 — fresh data. Across the public record there are 5 sales, relatively high churn for a single property. Across 2004–2026, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £159,000 is 26.2% above the 2026 sale price. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 77.3% above the typical sold price in the postcode.