
Insulation During a Home Renovation
Renovation insulation works best when it is planned while walls, ceilings and floors are open. Learn to check for gaps, damp framing and safe installation.
10 homeowner guides
Insulation, ventilation, glazing, moisture and heating affect each other. Improving one without the others can move a problem rather than solve it.
About this topic
These guides show how to use a renovation, when walls and ceilings are open, to make a home warmer, drier and cheaper to run.
All guides in this topic

Renovation insulation works best when it is planned while walls, ceilings and floors are open. Learn to check for gaps, damp framing and safe installation.

Weighing up a double glazing renovation? Compare replacement windows, retrofit units and secondary glazing, and avoid common condensation traps.

A home ventilation renovation should start with kitchen and bathroom extraction. Learn how to plan airflow, ducting and controls before picking a system.

A moisture check before renovation can reveal leaks, ground damp and condensation that new finishes would hide. Here is what to look for and who to call in.

A good home renovation heating plan comes after insulation and draught fixes. Learn how to choose zones, unit positions and controls before walls close.

Planning an energy-efficient renovation? Start with insulation, airtightness and glazing, then choose systems. Learn how to rank upgrades by lasting benefit.

Energy-efficient renovation lighting is about layers, zones and good colour, not more downlights. Learn how to plan fittings and switching before wiring.

A water-efficient renovation balances flow, pressure and hot-water delivery so fixtures still work well. Learn what to check before buying taps and showers.

Choosing sustainable renovation materials means looking past marketing labels. Compare durability, sourcing, emissions and repairability before you buy.

A draught-proofing renovation targets gaps around doors, windows, floors and services. Learn how to find air leaks and seal them without trapping moisture.
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