Fabric
Loft insulation explained
What works, what it costs, and how to avoid common issues like condensation and missed coverage at the eaves.
5 min readRead Guide
Guides & Resources
Impartial retrofit guidance in plain English. No sales jargon, just the engineering facts you need to plan your upgrade.
Health
Ventilation basics
Why ventilation matters in retrofit, the options available (PIV vs MVHR), and how to reduce mould risk permanently.
7 min readRead Guide
Fabric
EWI vs IWI: A comparison
The trade-offs, moisture risks, and architectural decision factors that determine the right wall insulation approach for your home.
10 min readRead Guide
Renewables
Heat pump readiness
A practical checklist: fabric efficiency, radiator sizing, controls, hot water storage, and what to address first.
6 min readRead Guide
Download the checklist
Planning a retrofit? Don't start works without our "Readiness Checklist". It covers the 20 questions you should ask yourself (and your builder) before breaking ground.
Ready to move from research to action?
Choose the service that matches your project scale.
Whole House
Retrofit Report
A complete roadmap, sequencing plan, and cost analysis for your entire property.
Book Retrofit ReportSingle Measure
Technical Survey
Specific suitability checks for just one upgrade (e.g., Heat Pump only).
Book Technical Survey (£249)