15 The Long Room Apartments, Summerhouse Lane, Harefield, Uxbridge, UB9 6FB

15 The Long Room Apartments is a three-bedroom property in Harefield, Uxbridge, Uxbridge (UB9 6FB). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 2012-2021 and council tax band E. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 99 m² this is the 14th smallest of 16 units on EPC record in the building, where floor areas span 46–110 m². The building's EPC ratings span E to C across 16 units on file. The latest certificate (September 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.

At 99 m² the property is well over the postcode median (67 m² across 15 EPCs), placing it in the larger end of the local stock. Last sold in May 2015, so it's been off the market for around 11 years. Today's modelled estimate of £506,000 is 26.5% above the 2015 sale price.