THIAS
4.5 (31 reviews)
Established 1993. Yorkshire home improvement experts offering insulation surveys, damp solutions, and EPCs.
About THIAS
THIAS has been improving homes since 1993, offering expert advice and services for cavity wall insulation, loft insulation, thermal imaging surveys, home energy surveys, EPCs, damp surveys, condensation and mould treatments, ventilation services, energy-saving windows and glazing, and energy-efficient roofing. They serve Yorkshire including Harrogate, Leeds, and York. They use qualified surveyors who independently assess properties and work with approved contractors.
Best For
- Homeowners wanting an independent assessment before committing to work
- Properties with damp or condensation problems needing diagnosis
- Landlords needing EPCs and improvement plans
Specialisms
Thermal imaging surveysIndependent home energy assessmentsDamp and condensation diagnosisMulti-service coordination
Property Experience
victorian through terraceedwardian terraceinter war semipost war semidetached house
Whole-house retrofit capable
Serves homeowners and landlords
Services Offered
Areas Covered
Trust & Accreditations
This provider holds the following accreditations, which are independently verified standards for quality and consumer protection. Learn how we vet providers.
Listing verified March 2026