18 Harlech Avenue, Caversham, Reading, RG4 6RN

18 Harlech Avenue is a four-bedroom semi-detached house in Caversham, Reading, Reading (RG4 6RN). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2015) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2009. Between certificates, roof efficiency went from Average to Good, lighting went from Poor to Average and main heating went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 3-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2019, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £391,000 is 20.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 62.5% above the typical sold price in the postcode. Most recent transfer: January 2019 at £325,000.