Flat 5, 46 Promenade, Southport, PR9 0DX

Flat 5 is a two-bedroom mid-terrace house in Southport (PR9 0DX). It has a recorded floor area of 47 m² (around 506 sq ft) and construction records dating it to 1900-1929. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Our model identifies extension potential, subject to local planning policy. At 47 m² this is the 2nd smallest of 5 units on EPC record in the building, where floor areas span 45–97 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (36 versus a best of 76). The latest certificate (October 2012) shows an F (score 36), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 80), a 3-band jump. Main heating runs on electricity. The latest certificate is from October 2012, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2001–2021, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £109,000 is 36.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£158/sq ft) was about 20.6% above the typical sold price in the postcode. Last sale on file: £80,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.