15b, Thornley Lane, Grotton, Oldham, OL4 5RH

15b is a detached house in Grotton, Oldham, Oldham (OL4 5RH). It has a recorded floor area of 264 m² (around 2842 sq ft), construction records dating it to 2007-2011 and council tax band G. The latest certificate (August 2021) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since December 2015. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to B (score 85).

Held since March 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 264 m² the property is well over the postcode median (176 m² across 10 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Across 2005–2007, sale prices on this property compounded at -57.5% per year. Today's modelled estimate of £672,000 sits 320% above the 2007 sale of £160,000. On a £-per-square-foot basis, the last sale (£56/sq ft) was about 76.1% below the postcode norm.