How to retrofit a period property By dianeh16th June 202416th June 2024 Categories: air tightness, building, energy advice, Uncategorized, zero carbon Tags: air tightness test, airtightness, energy efficiency, grosvenor, Kendal, period property, pre-1900 property, retrofit, sustainable materials, zero carbon The Duke of Westminster’s update of a Victorian Semi on his estate. Airtightness testing and advice by Diane Hubbard on behalf of Grosvenor Estates.
