null | RetrofitIQ

RetrofitIQ — Building Performance Diagnostics & Remediation in London

RetrofitIQ (operated by G.A.S General Building Services Ltd) is a London-based Building Performance Diagnostics & Remediation company led by Certified Passive House Designer George Sora.

We follow a single coordinated process — Investigate → Diagnose → Design → Remediate → Verify — covering thermal imaging surveys, blower door / airtightness testing, smoke tracing, condensation and moisture investigations, indoor air quality assessments, internal & external wall insulation retrofit, soundproofing and Passive House design across Greater London, Essex, Kent, Surrey and Hertfordshire.