4 Christchurch Close, St Albans, AL3 5NT

4 Christchurch Close is a one-bedroom semi-detached house in St Albans (AL3 5NT). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1983-1990 and council tax band B. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 35 m² this is the 8th smallest of 28 units on EPC record in the building, where floor areas span 32–99 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (August 2020) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2009. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.

At 35 m² it sits well below the postcode median (74 m² across 27 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Across 2002–2014, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £250,000 is 19% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£557/sq ft) was about 67.9% above the typical sold price in the postcode. Last changed hands 12 years ago, in October 2014.