23 Dianthus Close, Greenwich, London, SE2 0UX

23 Dianthus Close is a one-bedroom mid-terrace house in Greenwich, London, London (SE2 0UX). It has a recorded floor area of 47 m² (around 503 sq ft), construction records dating it to 1967-1975 and council tax band B. At 47 m² this is the 10th smallest of 23 units on EPC record in the building, where floor areas span 41–73 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (December 2008) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 61). The latest certificate is from December 2008, so improvements made since then won't be reflected.

It hasn't traded since January 2006, a hold of 20 years that's notably long for the area. At 47 m² it's 22.1% smaller than the typical home in the postcode (60 m² median across 22 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1995–2006, sale prices on this property compounded at 11.6% per year. Today's modelled estimate of £199,000 sits 109.5% above the 2006 sale of £95,000. On a £-per-square-foot basis, the last sale (£189/sq ft) was about 16.8% below the postcode norm.