Sources & editorial standard
Trust grows when
the workings are visible.
We prioritise primary UK guidance, distinguish trade advice from regulation and make our citations easy to follow.
Core references
cavity wall insulation consumer guide
Consumer routes when a cavity-wall installation may be faulty, including warnings about unsolicited claims approaches.
Open original source Ofgemcomplaints about cavity wall insulation installation
The recommended complaint route: paperwork, installer, oversight body, guarantee provider and energy supplier.
Open original source Cavity Insulation Guarantee Agencyhow to report a concern
How guarantee holders can report an installation concern and what information CIGA requests.
Open original source Property Care Associationcavity wall ties
Possible indicators, investigation and repair principles for corroded or failed wall ties.
Open original source Property Care Associationproblems with cavity wall insulation
Professional guidance on investigating insulation-related moisture and cavity condition.
Open original source Royal Institution of Chartered Surveyorsbuilding pathology and defect diagnosis
The evidence-led process surveyors use to distinguish symptoms, defects and root causes.
Open original sourceReview discipline
How a guide is maintained
Scope the questionOne guide answers one homeowner intent clearly.
Check current originalsWe prefer the organisation responsible for the rule or process.
Write with limitsWe flag uncertainty and avoid remote diagnosis.
Date the reviewEvery technical article shows when it was checked.