9 Firbank House, School Lane, Great Ayton, Middlesbrough, TS9 6SF

9 Firbank House is a two-bedroom semi-detached house in Great Ayton, Middlesbrough, Middlesbrough (TS9 6SF). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 2007 onwards and council tax band F. The latest certificate (July 2013) returns a B (score 81), comfortably above the UK average. The latest certificate is from July 2013, so improvements made since then won't be reflected. At 105 m² this is the 8th smallest of 9 units on EPC record in the building, where floor areas span 58–114 m². The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 68). Other recorded features include notable views.

At 105 m² the property is well over the postcode median (74 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2000–2021, sale prices on this property compounded at 1.8% per year. Today's modelled estimate of £314,000 is 25.6% above the 2021 sale price. Sold September 2021 for £250,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.