65a, Belsize Park Gardens, Camden, London, NW3 4JN

65a is a semi-detached house in Camden, London, London (NW3 4JN). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (February 2022) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in September 2019 the rating was G, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Average, lighting went from Very Poor to Very Good and main heating went from Very Poor to Average. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity. At 142 m² this is the 13th smallest of 14 units on EPC record in the building, where floor areas span 48–144 m². The building's EPC ratings span G to C across 14 units on file.

At 142 m² the property is well over the postcode median (87 m² across 36 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). One planning record on file: new windows approved in 2021. Past consents include new windows, meaningful when judging how the property has evolved.