12 Ayresome Street, Middlesbrough, TS1 4NJ

12 Ayresome Street is a mid-terrace house in Middlesbrough (TS1 4NJ). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1900-1929 and council tax band A. At 28 m² this is the smallest unit on EPC record across the building (28–134 m²). The building's EPC ratings span E to C across 39 units on file. The latest certificate (August 2025) shows a D (score 56), a step below the typical UK home. When first surveyed in July 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Average, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 71). Main heating runs on electricity.

Across 2000–2025, sale prices on this property compounded at 7% per year. Today's modelled estimate of £113,000 is 13.1% below the 2025 sale of £130,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£431/sq ft) was about 828.6% above the typical sold price in the postcode. It changed hands recently, sold September 2025 for £130,000. At 28 m² it sits well below the postcode median (94 m² across 38 EPCs), making it one of the more compact homes locally. One planning record on file: subdivision approved in 2010. Past consents include subdivision, meaningful when judging how the property has evolved.