The Exchange, Flat 7, 89 Marlowes, Hemel Hempstead, HP1 1EH

The Exchange is a one-bedroom end-of-terrace house in Hemel Hempstead (HP1 1EH). It has a recorded floor area of 33 m² (around 355 sq ft) and construction records dating it to 2020. At 33 m² this is the smallest unit on EPC record across The Exchange (33–72 m²). The building's EPC ratings span E to A, with this unit at the bottom. Period features are noted in the property record. The latest certificate (March 2021) shows an E (score 53), well below the UK norm with real room to improve. Main heating runs on electricity: electricity, unspecified tariff.

At 33 m² it's 21.4% smaller than the typical home in the postcode (42 m² median across 53 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On a £-per-square-foot basis, the last sale (£577/sq ft) was about 16% above the typical sold price in the postcode. Last sale on file: £205,000 in April 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.