For older properties with solid brick or stone walls, we add an insulated layer inside (IWI) or outside (EWI) to reduce heat loss, stabilise temperatures and improve comfort.
Benefits
We confirm at survey by checking wall type/condition, moisture risks, ventilation, external finishes and detailing around reveals. We’ll advise whether IWI, EWI or a mixed approach is best.
Typical projects take longer than cavity / loft works—timings confirmed at survey.
You’ll receive install records and care guidance for finishes and ventilation. Where eligible, ECO4 routes may support approved measures; anything outside scope is quoted transparently.
We’re here to ensure your experience with us is as seamless and enjoyable as possible.
IWI keeps the exterior unchanged but can slightly reduce room size; EWI upgrades the façade and avoids internal disruption.
Longer than cavity / loft works—timelines depend on area and finish; we’ll confirm after survey.
We maintain or upgrade ventilation and detail around openings to manage moisture correctly.
IWI usually doesn’t; EWI can require approvals in some areas. We’ll advise during survey.
Yes—often paired with loft, underfloor or window insulation for the best whole-house result.
Tell us your postcode and a few details. We’ll confirm ECO4 eligibility, arrange a survey, and manage everything from funded supply to sign-off.
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