14 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE

14 Rosanne House is a three-bedroom mid-terrace house in Welwyn Garden City (AL8 6DE). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1950-1966 and council tax band D. At 108 m² this is the 23rd smallest of 24 units on EPC record in the building, where floor areas span 41–111 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (February 2024) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (February 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84).

At 108 m² the property is well over the postcode median (77 m² across 23 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). 15 years since the last transfer (July 2011). Across 2011–2011, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £526,000 is 23.8% above the 2011 sale price.