23 Grosvenor Avenue, Newcastle Upon Tyne, NE2 2NN

23 Grosvenor Avenue is a three-bedroom mid-terrace house in Newcastle Upon Tyne (NE2 2NN). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band B. At 71 m² this is the 12th smallest of 29 units on EPC record in the building, where floor areas span 55–141 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (April 2015) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected.

It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Across 1997–2015, sale prices on this property compounded at 12.7% per year. Today's modelled estimate of £198,000 is 27.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£203/sq ft) was about 28.6% above the typical sold price in the postcode. On the market in August 2015 and unlisted since — roughly 11 years.