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Business Details
33 Years
experience
Expert Home Renovation & Damp Repair Services in Yorkshire
Established in 1993, Thias (THIAS) has built a reputation as a trusted specialist in property care, retrofit insulation, and project management across Yorkshire. Our expertise lies in eco-renovation of older homes and green retro-fit upgrades, combining hands-on experience with a commitment to long-term client relationships. We prioritise impartial advice, employing only vetted contractors to ensure compliance with current building standards. Our services span specialist damp surveys, thermal imaging, and comprehensive project management, addressing challenges from rising damp to energy inefficiency.

With over 80% of our work stemming from repeat business and referrals, we focus on delivering stress-free, high-quality solutions tailored to individual needs. Our 'Clients for Life' philosophy ensures ongoing support, from initial surveys to project completion, backed by guarantees on all managed work. Through continuous client feedback and a dedication to innovation, we maintain our position as a respected authority in home improvement and energy efficiency.
Services
Home Renovation Damp Repair Project Management Thermal Imaging Surveys Insulation Upgrades Eco-Renovation Building Defect Surveys Landlord Services Mould Removal Energy Efficiency Consultation
Details
  • Year established: 1993
Highlights and features
  • We have over 30 years of experience in home renovation and project management.
  • Our team consists of certified experts with extensive experience in eco-renovation.
  • We provide stress-free project management from concept to completion.
  • We specialise in energy-efficient eco-renovation solutions for older properties.
  • We prioritise customer satisfaction with ongoing feedback and support.
What people say
Expertise Reliable service Effective solutions Stress-free project management Energy-efficient upgrades
Services
Home Renovation
We specialise in renovating older homes with eco-friendly solutions, including structural repairs, insulation upgrades, and energy-efficient retro-fits. Our approach combines technical expertise with project management to ensure seamless execution. Clients benefit from tailored improvements that enhance comfort, value, and sustainability while preserving architectural integrity.
Damp Repair
Our damp repair services address rising damp, condensation, and mould through specialist surveys and targeted treatments. We utilise thermal imaging and humidity assessments to diagnose root causes. Solutions include ventilation improvements, plastering, and structural waterproofing, ensuring long-term protection against damp-related damage and health risks.
Project Management
We manage full-scale renovation projects from concept to completion, coordinating tradespeople and timelines to reduce client stress. Services include design specification, contractor vetting, and compliance oversight. Our focus on transparency and quality ensures projects meet budgets, deadlines, and regulatory standards while aligning with client goals.
Thermal Imaging Surveys
Thermal imaging surveys identify heat loss, dampness, and insulation gaps using advanced technology. This non-invasive method provides actionable insights for improving energy efficiency. Clients receive detailed reports with recommendations to reduce fuel bills and enhance thermal performance, particularly in older or traditionally built properties.
Insulation Upgrades
We deliver retrofit insulation solutions tailored to older homes, including internal and external wall insulation, loft upgrades, and underfloor systems. These measures improve thermal efficiency, reduce carbon footprints, and comply with modern standards. Our approach balances practicality with minimal disruption, ensuring lasting comfort and cost savings.
People
Andrew Spence
Owner
Andrew Spence founded THIAS in 1993, leveraging decades of experience in property care and eco-renovation. He oversees project specifications and contractor vetting, ensuring high standards. Clients praise his professionalism, technical knowledge, and commitment to stress-free service delivery.
Questions
What services does THIAS offer for damp problems?
We provide specialist damp surveys, condensation control, mould removal, and structural waterproofing. Solutions include ventilation upgrades, plastering, and insulation retro-fits tailored to older properties.
How does THIAS manage renovation projects?
We handle all aspects from design to completion, coordinating vetted contractors, ensuring compliance, and providing transparent progress updates to reduce client stress and guarantee quality.
Do you offer energy efficiency assessments?
Yes, we conduct thermal imaging surveys and home energy audits to identify heat loss and recommend insulation, ventilation, and heating upgrades for improved efficiency.
Are your contractors vetted for quality?
All contractors undergo rigorous vetting to ensure they meet our standards for expertise, reliability, and customer care before inclusion in our network.
Can THIAS assist landlords with property maintenance?
Yes, we offer building defect surveys, damp solutions, and energy efficiency improvements tailored to landlords, ensuring compliance with regulations and long-term property value.
What areas do you serve?
We operate throughout Yorkshire, providing home improvement and project management services to homeowners, landlords, and tradespeople in the region.