15 Avocet Quay, Emsworth, PO10 8BY

15 Avocet Quay is a two-bedroom detached house in Emsworth (PO10 8BY). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1976-1982 and council tax band C. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (August 2019) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in October 2008 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Very Poor to Poor and window efficiency went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to A (score 119), a 4-band jump. Main heating runs on electricity.

Held since December 1999 — that's 26 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £380,000 sits 115.5% above the 1999 sale of £176,300. On a £-per-square-foot basis, the last sale (£321/sq ft) was about 37.5% below the postcode norm.