Grosvenor Court, Flat 6, 74 East Lodge Park, Portsmouth, PO6 1BY

Grosvenor Court is a semi-detached house in Portsmouth (PO6 1BY). It has a recorded floor area of 73 m² (around 786 sq ft) and construction records dating it to 1967-1975. At 73 m² this is the 10th smallest of 12 units on EPC record in Grosvenor Court, where floor areas span 55–84 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (April 2013) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (January 2011); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Average to Poor and hot-water efficiency dropped from Very Good to Very Poor. The recommended improvements would push it to D (score 61). The latest certificate is from April 2013, so improvements made since then won't be reflected.

At 73 m² it's 23.7% larger than the typical home in the postcode (59 m² median across 11 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in December 2017 and unlisted since — roughly 8 years. Across the public record there are 5 sales, relatively high churn for a single property. Across 2006–2017, sale prices on this property compounded at 0.7% per year. Today's modelled estimate of £209,000 is 22.9% above the 2017 sale price.