First Floor Flat, 4 Northumberland Terrace, Plymouth, PL1 3DD

First Floor Flat is a mid-terrace house in Plymouth (PL1 3DD). It has a recorded floor area of 73 m² (around 786 sq ft) and construction records dating it to before 1900. The latest certificate (June 2026) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2014. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Good; while window efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 77). This certificate was lodged in the last six months, so the rating reflects current condition.

It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Across 1996–2021, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £192,000 is 27.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£192/sq ft) was about 38.9% above the typical sold price in the postcode. Last sale on file: £151,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.