Resources

[Links will be added by 9 Mar 2026.]

Whether you’re planning a retrofit, buying an old house or just trying to understand your options, the resources here will help you make better decisions.

Some are free to download; others require a free signup. We’ll send you occasional updates about heritage retrofit, and you can unsubscribe anytime.

Free downloads

1. “Retrofit for old houses: essential guide” (PDF, ~2,000 words) [Download PDF]

  • Why period homes are different
  • Common mistakes
  • When to get expert help
  • What good advice looks like

2. “Service Guide” (PDF, ~1,000 words) [Download PDF]

  • What’s included in each service
  • Process and timeline
  • How pricing works

In-depth resources

Graeme’s MSc dissertation: a 20,000-word research study analysing the tensions between energy efficiency and heritage conservation, it specifically focused on solid wall insulation, including a survey of 60 homeowners. [Get access]

The facts about solid wall insulation: a careful appraisal of the evidence – when SWI works, when it fails and why most homeowners are right to be cautious. [Get access]

Understanding PHPP and building physics: a technical guide to how Passivhaus methodology applies to old buildings. [Get access]