15a, Gratwicke Road, Worthing, BN11 4BH

15a is a two-bedroom semi-detached house in Worthing (BN11 4BH). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2024) shows a C (score 69), just inside the C band. When first surveyed in April 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Very Poor to Good and lighting went from Average to Very Good. At 67 m² this is the 31st smallest of 65 units on EPC record in the building, where floor areas span 11–185 m². The building's EPC ratings span G to B across 65 units on file.

Held since June 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £206,000 sits 145.2% above the 2002 sale of £84,000. On a £-per-square-foot basis, the last sale (£116/sq ft) was about 43.1% below the postcode norm. One planning record on file: new windows approved in 2023. Past consents include new windows, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs).