21b, South Terrace, Littlehampton, BN17 5PA

21b is a semi-detached house in Littlehampton (BN17 5PA). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2016) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2016, so improvements made since then won't be reflected. At 30 m² this is the 11th smallest of 32 units on EPC record in the building, where floor areas span 27–83 m². The building's EPC ratings span F to C across 32 units on file.

Today's modelled estimate of £130,000 is 75.2% below the 2019 sale of £525,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,626/sq ft) was about 1080% above the typical sold price in the postcode. At 30 m² it's 25% smaller than the typical home in the postcode (40 m² median across 31 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Most recent transfer: May 2019 at £525,000.