21 Hacon Square, Richmond Road, Hackney, London, E8 3QR

21 Hacon Square is a one-bedroom mid-terrace house in Hackney, London, London (E8 3QR). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 2003-2006 and council tax band C. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony. At 59 m² this is the 22nd smallest of 41 units on EPC record in the building, where floor areas span 36–92 m². The building's EPC ratings span D to B, with this unit at the top. The latest certificate (October 2025) returns a B (score 82), comfortably above the UK average. When first surveyed in June 2011 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Average to Poor.

Across 2004–2015, sale prices on this property compounded at -2.7% per year. Today's modelled estimate of £388,000 sits 191.7% above the 2015 sale of £133,000. On a £-per-square-foot basis, the last sale (£209/sq ft) was about 47.8% below the postcode norm. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 11 years since the last transfer (November 2015).