25a, Dartmouth Road, London, NW2 4ET

25a is an end-of-terrace house in London (NW2 4ET). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to before 1900 and council tax band B. At 41 m² this is the 17th smallest of 35 units on EPC record in the building, where floor areas span 14–109 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (February 2025) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2015. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to D (score 64).

Held since May 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 19% per year against 0% for the wider region. Today's modelled estimate of £358,000 sits 62.7% above the 2005 sale of £220,000. On a £-per-square-foot basis, the last sale (£499/sq ft) was about 22.5% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).