21 Thornton Street, Halifax, HX1 3SD

21 Thornton Street is a two-bedroom mid-terrace house in Halifax (HX1 3SD). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (April 2015) shows an F (score 38), near the bottom of the EPC scale. Earlier certificates rated it D (September 2012); the latest reading is 2 bands lower. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to D (score 68), a 2-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected. Period features are noted in the property record. The home occupies a cul-de-sac position.

Held since July 2006 — that's 20 years off the open market, well above the local norm. At 128 m² the property is well over the postcode median (78 m² across 21 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Across 1998–2006, sale prices on this property compounded at 18.9% per year. Today's modelled estimate of £107,000 is 48.6% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£52/sq ft) was about 16.1% below the postcode norm.