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40 Years
experience
Yorkshire's Leading Building Preservation Experts
Established in 1986, BT Preservation has grown from a family-run damp proofing business into Yorkshire's leading building preservation expert. We specialise in damp proofing, structural repairs, and wall tie replacement for both domestic and commercial clients. Our team of 12 fully qualified professionals, including PCA-accredited surveyors, brings decades of combined experience to every project. As an employee-owned company since 2022, we maintain the family values of integrity and service that have defined us for over three decades. Our technical expertise covers traditional materials and modern methods, with specialist capabilities in Helifix and Cintec structural repair systems.

We serve properties ranging from historic listed buildings to modern developments across Yorkshire, including Leeds, Sheffield, York, and Harrogate. Our commitment to staff development has earned multiple awards, ensuring clients receive expert service from trained professionals. We provide impartial advice beyond project completion, reflecting our core values of honesty and long-term client relationships. With 37 years of trading and a reputation built on quality, we remain Yorkshire's trusted preservation specialists.
Services
Damp Proofing Structural Repairs Wall Tie Surveys Timber Treatment Masonry Repair
Details
  • Year established: 1986
Highlights and features
  • 37 years of specialist building preservation experience
  • Property Care Association accredited professionals
  • Employee-owned business with technical director expertise spanning decades
  • Specialist in Helifix and Cintec structural repair systems
  • Free impartial advice beyond project completion
Associations and certifications
  • Property Care Association
Services
Damp Proofing
Our damp proofing specialists diagnose and resolve rising damp, penetrating damp, and condensation issues using PCA-approved methods. We implement tailored solutions including chemical damp courses and ventilation improvements. Serving both heritage and modern properties across Yorkshire, we guarantee long-term protection against moisture damage.
Structural Repairs
Specialist structural repairs using Helifix and Cintec anchor systems restore stability to compromised buildings. Our technicians address cracks, wall tie failure, and masonry deterioration in residential and commercial properties. We combine traditional craftsmanship with modern engineering solutions for lasting results.
Wall Tie Replacement
We conduct comprehensive wall tie surveys and replace corroded or failed ties in cavity walls. Using non-invasive techniques, we install durable replacement ties to restore structural integrity. Our Helifix-approved specialists ensure compliance with building regulations across Yorkshire properties.
Timber Treatment
Our timber specialists treat dry rot, wet rot, and woodworm infestations using environmentally responsible methods. We provide comprehensive surveys and implement preventative treatments for both historic and modern timber structures across residential and commercial sectors.
Building Surveys
We offer detailed building surveys identifying structural issues, damp problems, and preservation needs. Our PCA-accredited surveyors provide technical reports with prioritised remediation recommendations. Commercial clients receive condition assessments for planned maintenance programmes.
People
David Gill
Technical Director
With over 30 years in building preservation, David leads our technical team. He specialises in structural repairs and damp diagnosis, sharing expertise through industry training. His management philosophy prioritises staff development and client care.
Sian Hamilton
Operations Director
Sian oversees daily operations with 10+ years' experience in preservation services. As employee trustee, she champions staff welfare and business development. Her leadership ensures consistent service quality across all projects.
Bryan Hindle
Technical Specialist
Founder with nearly 40 years' experience in structural repairs. Bryan established our Helifix and Cintec expertise. His technical knowledge continues to guide complex restoration projects across Yorkshire's historic buildings.
Questions
What building preservation services do you offer?
We specialise in damp proofing, structural repairs, wall tie replacement, timber treatment, and building surveys. Our services cover residential and commercial properties across Yorkshire.
Are you accredited for these services?
Yes, we're fully accredited by the Property Care Association, with technicians trained in Helifix and Cintec repair systems.
Do you work on listed buildings?
Yes, we have extensive experience with heritage and listed buildings, using traditional materials and approved conservation methods.
What areas do you cover?
We operate throughout Yorkshire, including Leeds, Sheffield, York, Harrogate, and Wakefield, with some national structural projects.
Can you provide commercial services?
Yes, 50% of our work involves commercial clients including universities, councils, and construction firms across Yorkshire.
What aftercare support do you offer?
All clients receive free impartial advice post-service through our dedicated support line, reflecting our long-term client commitment.
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