First Floor, 4 Cotleigh Road, London, NW6 2NP

First Floor is a detached house in London (NW6 2NP). It has a recorded floor area of 56 m² (around 600 sq ft) and construction records dating it to before 1900. The latest certificate (August 2009) shows an F (score 25), near the bottom of the EPC scale. Main heating runs on electricity. The latest certificate is from August 2009, so improvements made since then won't be reflected.

It hasn't traded since November 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2009, sale prices on this property compounded at 12.5% per year. Today's modelled estimate of £460,000 sits 57.3% above the 2009 sale of £292,500. On a £-per-square-foot basis, the last sale (£487/sq ft) was about 16.2% above the typical sold price in the postcode.