1 Glenthorne Road, Portsmouth, PO3 5DL

1 Glenthorne Road is a three-bedroom end-of-terrace house in Portsmouth (PO3 5DL). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2014) shows a G (score 16), near the bottom of the EPC scale. Earlier certificates rated it E (May 2009); the latest reading is 2 bands lower. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while roof efficiency dropped from Average to Very Poor and lighting dropped from Good to Very Poor. The recommended improvements would lift it to D (score 63), a 3-band jump. Main heating runs on electricity. The latest certificate is from January 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory. Our model identifies extension potential, subject to local planning policy.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2009–2012, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £273,000 sits 77.3% above the 2012 sale of £154,000. On the market in January 2012 and unlisted since — roughly 14 years.