13a, Bath Street, Brighton, BN1 3TB

13a is a one-bedroom end-of-terrace house in Brighton (BN1 3TB). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to before 1900. The latest certificate (July 2020) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in September 2016 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while window efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 67). Main heating runs on electricity. At 46 m² this is the 30th smallest of 74 units on EPC record in the building, where floor areas span 18–156 m². The building's EPC ratings span F to B across 74 units on file.

It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 2008–2021, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £289,000 is 13.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£515/sq ft) was about 71.1% above the typical sold price in the postcode. Sold January 2021 for £255,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.