47a, Williams Road, Bosham, Chichester, PO18 8JR

47a is a one-bedroom detached house in Bosham, Chichester, Chichester (PO18 8JR). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1930-1949 and council tax band A. At 37 m² this is the smallest unit on EPC record across the building (37–123 m²). The building's EPC ratings span F to B across 26 units on file. Our model identifies extension potential, subject to local planning policy. The latest certificate (February 2022) shows a C (score 70). When first surveyed in June 2010 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Very Poor to Good; while wall efficiency dropped from Good to Average.

At 37 m² it sits well below the postcode median (60 m² across 25 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 84% of similar EPCs). One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. Across 2000–2016, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £168,000 is 19.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£354/sq ft) was about 49.5% above the typical sold price in the postcode. On the market in January 2016 and unlisted since — roughly 10 years.