Dalby House, Flat 5, 398 City Road, Islington, London, EC1V 2QA

Dalby House is a one-bedroom semi-detached house in Islington, London, London (EC1V 2QA). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to 1900-1929. The latest certificate (April 2018) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in December 2014 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity. At 67 m² this is the 5th smallest of 7 units on EPC record in Dalby House, where floor areas span 31–73 m². The building's EPC ratings span F to C across 7 units on file. Other recorded features include a balcony.

14 planning records sit against the property, 7 approved, 4 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Across 2015–2019, sale prices on this property compounded at 1% per year. On a £-per-square-foot basis, the last sale (£943/sq ft) was about 37.7% above the typical sold price in the postcode. Sold May 2019 for £680,000.