Double Glazing in Conservation Areas: What’s Allowed in Hackney and Islington?
Quick AnswerStandard double glazing is almost never approved on front elevations in Hackney and Islington conservation areas because the thick units visually distort the original window proportions. What can be approved, with planning permission, is slimline double glazing in matching timber sash frames that preserves the original profile and sight lines. Secondary glazing, fitted internally, […]