16 Planet House, Upper Market Square, Sunderland, SR1 3LH

16 Planet House is a two-bedroom mid-terrace house in Sunderland (SR1 3LH). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1967-1975 and council tax band A. Tenure is freehold. At 69 m² this is the 28th smallest of 46 units on EPC record in the building, where floor areas span 49–87 m². The building's EPC ratings span E to D, with this unit at the top. Other recorded features include a balcony. The latest certificate (September 2021) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2017); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.

Across 2019–2021, sale prices on this property compounded at -1% per year. Today's modelled estimate of £99,000 sits 67.8% above the 2021 sale of £59,000. At 69 m² it's 27.8% larger than the typical home in the postcode (54 m² median across 45 EPCs). Most recent transfer: February 2021 at £59,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.