115a, Kilburn Park Road, Westminster, London, NW6 5LB

115a is a three-bedroom mid-terrace house in Westminster, London, London (NW6 5LB). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band F. At 86 m² this is the 11th smallest of 22 units on EPC record in the building, where floor areas span 42–136 m². The building's EPC ratings span D to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (February 2020) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since December 2008. Between certificates, window efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump.

Held since November 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1999–2008, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £711,000 sits 73.4% above the 2008 sale of £410,000. At 86 m² it's 22.9% larger than the typical home in the postcode (70 m² median across 27 EPCs).