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Business Details
Award-Winning Scottish Home Extensions Experts
Earnock Builders is a family-run building company led by proprietor Bill McEvoy, dedicated to delivering comprehensive home improvement solutions. With decades of experience, we specialize in home extensions, loft conversions, and garage conversions across Glasgow, Lanarkshire, and Central Scotland. Our team of skilled professionals ensures every project, from small porch installations to full-scale extensions, adheres to the highest standards of quality and reliability. Underpinned by full insurance coverage and a commitment to customer satisfaction, we guide clients through every phasefrom architectural design to final certification. Recognized as Scotland's No.1 Home Extension Company for 2019 - 2024 by the Scottish Home Improvement Awards, our reputation is built on transparency, expertise, and exceptional value.

We manage all aspects of your project with minimal disruption, serving South and North Lanarkshire, East Renfrewshire, and beyond. Our accolades reflect our dedication to excellence, including multiple national awards for both home extensions and overall building excellence. Tailored service includes dedicated project management, realistic pricing, and guaranteed timelines, with extensions completed in as little as 2 - 3 weeks. Customer accountability remains a priority, with ongoing support post-project to address any concerns. Our focus on local market needs and long-term client relationships has cemented our position as a trusted leader in Scotlands home improvement sector.
Services
Home Extensions Loft Conversions Garden Rooms Garage Conversions Site Management Architectural Design
Highlights and features
  • We have over 30 years of experience in home extensions and conversions.
  • Our work is fully insured and guaranteed for customer peace of mind.
  • We complete extensions in as little as 23 weeks with skilled tradespeople.
  • Award-winning reputation since 2019 with Scotlands top home extension accolades.
  • Dedicated project managers ensure minimal disruption and clear communication.
What people say
Award-winning quality Rapid build times Professional team Minimal disruption End-to-end support
Services
Home Extensions
Earnock Builders creates bespoke home extensions, from single-story additions to full structural expansions. Our process includes architectural design, planning applications, and guaranteed timelines. Clients benefit from rapid builds (as little as 3 weeks) and expert project management, ensuring compliance with building regulations and minimal disruption. Serving Scotlands central belt, we prioritize quality materials and personalized solutions.
Loft Conversions
We specialize in converting underused loft spaces into functional living areas. Our service includes structural assessments, insulation, and staircase installation. Projects are managed end-to-end by experienced teams, ensuring energy efficiency and adherence to safety standards. Ideal for homeowners seeking extra space without relocation. Fully insured with post-completion guarantees.
Garden Rooms
Custom garden rooms built to complement your propertys architecture. These insulated, multi-purpose spaces serve as offices, gyms, or entertainment areas. Constructed with durable materials and compliant with planning guidelines. Delivered swiftly with minimal garden disruption. Enhances property value while providing versatile living space.
Site Management
Dedicated site managers oversee every phase of your project. Responsibilities include scheduling tradespeople, quality checks, and client updates. Ensures timelines are met and work aligns with approved plans. Direct communication channel for adjustments or queries during construction. Reinforces accountability and reduces delays.
Planning Assistance
Guidance through the planning permission and building regulation process. We prepare architectural drawings and liaise with local authorities. Clarify requirements for your specific project, reducing administrative barriers. Helps clients avoid costly missteps. Integrated into our extension and conversion services for seamless approval.
Questions
Do I need planning permission for a home extension?
Not always. Our team advises on specific requirements for your project, including exemptions and formal applications to local authorities.
How long does a typical extension take to build?
Most extensions are completed in 4–6 weeks, with smaller projects achievable in 2–3 weeks. Timelines are confirmed before work begins.
Which areas do you serve?
We operate across Glasgow, Lanarkshire, and Central Scotland, including Hamilton, East Kilbride, Newton Mearns, and Giffnock.
Are your services fully insured?
Yes. All work is covered by insurance, with guarantees provided for both labor and materials.
How are projects managed?
Each project has a dedicated manager overseeing timelines, quality, and communication from start to finish.