41a, Burdett Avenue, Westcliff On Sea, SS0 7JN

41a is an end-of-terrace house in Westcliff On Sea (SS0 7JN). It has a recorded floor area of 66 m² (around 710 sq ft) and construction records dating it to 1900-1929. At 66 m² this is the 42nd smallest of 72 units on EPC record in the building, where floor areas span 45–189 m². The building's EPC ratings span E to C across 72 units on file. The latest certificate (October 2018) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77).

It hasn't traded since September 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2006–2007, sale prices on this property compounded at 12.5% per year. Today's modelled estimate of £199,000 is 47.4% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£190/sq ft) was about 35.2% above the typical sold price in the postcode.