5 Grand Avenue, Worthing, BN11 5AP

5 Grand Avenue is a mid-terrace house in Worthing (BN11 5AP). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1950-1966 and council tax band B. At 54 m² this is the 12th smallest of 20 units on EPC record in the building, where floor areas span 31–272 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2025) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (June 2010); the latest reading is 2 bands lower. Between certificates, lighting went from Poor to Average; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 73), a 2-band jump.

Today's modelled estimate of £162,000 is 80.2% below the 2025 sale of £817,500, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£1,406/sq ft) was about 814% above the typical sold price in the postcode. A recent sale: £817,500 in December 2025. One planning record on file: a loft conversion approved in 2000. Past consents include a loft conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).