1a Engine House, Neptune Street, Leeds, LS9 8AN

1a Engine House is a three-bedroom mid-terrace house in Leeds (LS9 8AN). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 2012 onwards and council tax band E. At 131 m² this is the largest unit on EPC record across the building (40–131 m²). The building's EPC ratings span D to B, with this unit at the bottom. Period features are noted in the property record. The latest certificate (May 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in June 2018 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity.

At 131 m² the property is well over the postcode median (62 m² across 8 EPCs), placing it in the larger end of the local stock. Across 2005–2018, sale prices on this property compounded at 1.6% per year. On a £-per-square-foot basis, the last sale (£207/sq ft) was about 27.2% below the postcode norm. Sold June 2018 for £292,500.