The Air Balloon, Flat 1, 11 Air Balloon Road, Bristol, BS5 8LB

The Air Balloon is a property in Bristol (BS5 8LB). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. At 45 m² this is the 6th smallest of 10 units on EPC record in The Air Balloon, where floor areas span 35–56 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (49 versus a best of 79). The latest certificate (December 2025) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it C (December 2015); the latest reading is 2 bands lower. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while wall efficiency dropped from Very Good to Poor and window efficiency dropped from Very Good to Average. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.

It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 2015–2019, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £174,000 is 14.1% above the 2019 sale price. Sold October 2019 for £152,500.