6 expert articles on draught proofing for London period sash windows, from heritage specialists with 15 years' experience.

• How to Cut Heating Bills by 30% Without Replacing Your Windows — Replacing original sash windows is not the only way to improve thermal efficiency. In many Victorian and Georgian properties, professional sash window…
• The Hidden Cost of Ignoring a Draughty Sash Window (Winter 2026 Edition) — A draughty sash window is more than an inconvenience. Gaps around the sashes, meeting rails, parting beads and frame allow heated air to escape and…
• Draught Proofing Period Properties: The Ultimate Guide for London Homeowners — Georgian and Victorian homes across Chelsea, Kensington, Westminster and Hampstead are valued for their original timber windows, handmade glass and…
• Thermal Efficiency for Sash Windows: 10 Ways Your Period Property Isn't Holding Heat — Victorian and Georgian terraces are valued for their proportions, timber joinery and original architectural details. However, many were built before…
• Grade II Listed Window Draught Proofing: What Conservation Officers Don't Want You to Know — Owning a Grade II listed property does not mean you must accept cold rooms, rattling sashes and high heating bills. It means that improvements need to…
• Secondary Glazing Vs. Draught Proofing: Which Is Better For Your Period Sash Windows? — Period sash windows provide architectural character, but original single glazing and ageing seals can reduce comfort, increase heating demand and allow…