17a, Downside Crescent, Camden, London, NW3 2AN

17a is an end-of-terrace house in Camden, London, London (NW3 2AN). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1900-1929 and council tax band D. At 73 m² this is the 6th smallest of 16 units on EPC record in the building, where floor areas span 36–307 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (August 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since November 2008. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 73).

Untraded for 20 years, with the last transfer in August 2006. Across 1999–2006, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £786,000 sits 118.3% above the 2006 sale of £360,000. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 17.7% below the postcode norm. 7 planning records sit against the property, 5 approved, 2 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved.