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Trusted Building Services in Sheffield
Established in the 1950s, G A Lazenby & Sons has built a reputation as a trusted family-run building services company serving Sheffield and surrounding areas for over six decades. Our expertise spans property repairs, alterations, plumbing, gas work, and comprehensive maintenance solutions, delivered with a commitment to quality craftsmanship and personalised service. As Gas Safe registered and Trustmark certified professionals, we adhere to rigorous industry standards while maintaining membership with the Federation of Master Builders.

Our team takes pride in minimising disruption during projects, offering Build Assure Insurance-backed warranties, and providing honest, expert advice to both residential and commercial clients. With three generations of experience, we combine traditional values with modern techniques to ensure lasting results that meet individual client needs.
Services
Property Repairs Roofing Boiler Servicing Kitchen Installations Damp Proofing Plumbing Window Replacement Bathroom Fitting Guttering Property Maintenance
Highlights and features
  • Over 60 years serving Sheffield with expert building solutions
  • Gas Safe registered and Trustmark certified professionals
  • Federation of Master Builders membership ensures quality standards
  • Build Assure Insurance-backed warranties on all work
  • Third-generation family business with local expertise
Associations and certifications
  • Gas Safe Register
  • Trustmark
  • Federation of Master Builders
Services
Property Repairs
We provide comprehensive property repair services addressing structural issues, plumbing leaks, and emergency building maintenance. Our experienced team handles everything from minor fixes to major refurbishments, ensuring properties remain safe and functional while maintaining aesthetic standards. All work complies with current building regulations.
Roofing Services
Our roofing specialists handle complete installations, repairs, and maintenance for all property types. Services include leadwork, guttering replacement, chimney repairs, and flat roof solutions using durable materials. We identify and resolve leaks promptly while offering preventative maintenance plans to extend roof lifespan.
Boiler Servicing
Gas Safe registered engineers perform thorough boiler servicing and central heating system maintenance. We ensure optimal efficiency, safety checks, and compliance with gas safety regulations. Emergency repair services are available for urgent heating failures during cold periods.
Kitchen Installations
We design and install custom kitchens and bathrooms tailored to client specifications. Services include plumbing integration, tiling, cabinetry fitting, and complete room transformations. Our team coordinates all aspects from initial design to final finishing touches for seamless results.
Damp Proofing
Specialist damp proofing solutions address rising damp, condensation, and penetrating damp issues. We conduct moisture assessments, recommend appropriate treatments, and implement long-term solutions including damp proof courses and ventilation improvements to protect property integrity.
People
Mark Lazenby
Director
Third-generation builder leading the company with 25+ years of industry experience. Featured on BBC's Cowboy Builders to demonstrate professional building standards. Oversees project quality and client relations.
Lesley Lazenby
Operations Manager
Manages day-to-day operations with extensive knowledge of local building regulations. Ensures efficient project scheduling and maintains the company's high service standards through regular client follow-ups and team training.
Questions
What areas do you cover?
We serve Sheffield, South Yorkshire, and surrounding Derbyshire areas for all building maintenance needs.
Are you certified for gas and plumbing work?
Yes, we're Gas Safe registered and qualified for all central heating, boiler, and plumbing services.
Do you offer guarantees on work?
All our work comes with Build Assure Insurance-backed warranties for customer peace of mind.
How long have you operated in Sheffield?
Our family business has served the local area since George Lazenby established the company in the 1950s.
What building services do you provide?
We offer complete property maintenance including roofing, kitchens, bathrooms, damp proofing, and emergency repairs.