Harbour House, Flat 23, 121 Gardner Road, Portslade, Brighton, BN41 1PN

Harbour House is a semi-detached house in Portslade, Brighton, Brighton (BN41 1PN). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 2007-2011 and council tax band B. At 91 m² this is the largest unit on EPC record across Harbour House (32–91 m²). The building's EPC ratings span D to B, with this unit at the top. The latest certificate (May 2023) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since April 2009. Between certificates, wall efficiency went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

Across 2017–2021, sale prices on this property compounded at 19.7% per year. Today's modelled estimate of £287,000 is 50.5% below the 2021 sale of £580,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£592/sq ft) was about 123% above the typical sold price in the postcode. At 91 m² the property is well over the postcode median (60 m² across 65 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. Most recent transfer: September 2021 at £580,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.