Marlborough House, Flat 9, Grove Road, Norwich, NR1 3RQ

Marlborough House is a one-bedroom detached house in Norwich (NR1 3RQ). It has a recorded floor area of 59 m² (around 630 sq ft), construction records dating it to 1976-1982 and council tax band A. At 59 m² this is the 2nd smallest of 11 units on EPC record in Marlborough House, where floor areas span 55–80 m². The building's EPC ratings span E to D, with this unit at the bottom. Our model identifies extension potential, subject to local planning policy. The latest certificate (October 2008) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). Main heating runs on electricity. The latest certificate is from October 2008, so improvements made since then won't be reflected.

At 59 m² it's 20.9% smaller than the typical home in the postcode (74 m² median across 41 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2005–2018, sale prices on this property compounded at 1.8% per year. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 24.1% above the typical sold price in the postcode. Sold December 2018 for £149,000.