9 Masons Yard, Islington, London, EC1V 8DX

9 Masons Yard is a one-bedroom mid-terrace house in Islington, London, London (EC1V 8DX). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (December 2025) shows a C (score 76), near the top of the C band. Earlier certificates rated it B (July 2015); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor and main heating dropped from Average to Poor. The recommended improvements would push it to B (score 84). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 61 m² this is the 10th smallest of 23 units on EPC record in the building, where floor areas span 44–111 m². The building's EPC ratings span E to B across 23 units on file. Other recorded features include a balcony.

Last sold in December 2015, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2015, sale prices on this property compounded at 8% per year. On a £-per-square-foot basis, the last sale (£990/sq ft) was about 160% above the typical sold price in the postcode.