21a, Broad Row, Great Yarmouth, NR30 1HT

21a is a mid-terrace house in Great Yarmouth (NR30 1HT). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (June 2021) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in March 2009 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 61). Main heating runs on electricity. At 82 m² this is the 18th smallest of 21 units on EPC record in the building, where floor areas span 27–91 m². The building's EPC ratings span G to C across 21 units on file.

At 82 m² the property is well over the postcode median (51 m² across 20 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 2018–2020, sale prices on this property compounded at -2.3% per year. Today's modelled estimate of £112,000 is 40% above the 2020 sale price. Most recent transfer: October 2020 at £80,000.