123a, Gardiner Street, Gillingham, ME7 1DN

123a is a semi-detached house in Gillingham (ME7 1DN). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (December 2020) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in November 2010 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity. At 48 m² this is the 8th smallest of 46 units on EPC record in the building, where floor areas span 31–102 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 79).

Across 2009–2021, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £171,000 is 60.2% below the 2021 sale of £430,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£832/sq ft) was about 430.6% above the typical sold price in the postcode. At 48 m² it's 26.2% smaller than the typical home in the postcode (65 m² median across 45 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold September 2021 for £430,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.