18 Belgravia House, Durham, DH1 1DY

18 Belgravia House is an end-of-terrace house in Durham (DH1 1DY). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1950-1966 and council tax band A. At 28 m² this is the smallest unit on EPC record across the building (28–42 m²). The building's EPC ratings span F to C across 18 units on file. The latest certificate (June 2021) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in August 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and window efficiency went from Average to Good. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.

Held since June 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Across 1997–2007, sale prices on this property compounded at 17.8% per year. Today's modelled estimate of £104,000 is 44.5% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 176% above the typical sold price in the postcode.