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Business Details
37 Years
experience
Award-Winning Home Extensions in Hamilton
Earnock Builders is a family-run building company established in 1989, led by proprietor Bill McEvoy. We specialise in home extensions and conversions, offering a comprehensive service from architect design to completion certification. With over 30 years of experience, we serve South Lanarkshire, North Lanarkshire, East Renfrewshire, and Glasgow, covering areas including Hamilton, East Kilbride, Newton Mearns, and much of Central Scotland. Our team of professional, insured builders delivers high-quality work guaranteed to last, supported by full insurance and ongoing customer support. We pride ourselves on realistic pricing, minimal disruption during projects, and a dedicated project management approach. Our reputation as Scotland's No.1 Home Extension and Conversion Specialists since 2019 reflects our commitment to excellence.

We have completed thousands of projects, ranging from small porch installations to full-scale extensions, with a focus on client satisfaction. Our expertise ensures projects are completed efficiently, with average extensions taking 4-6 weeks and larger ones 6-8 weeks. We provide transparent communication throughout the process, including guidance on planning permissions and building regulations. Our team's experience and dedication to quality have earned us multiple national awards, including Best Home Extension Company at the Scottish Home Improvement Awards in 2022 and 2023.
Services
Home Extensions Loft Conversions Porch Installations Site Management Planning Applications
Details
  • Year established: 1989
Highlights and features
  • We have over 30 years of experience in home extensions and conversions.
  • Our team includes time-served professional building experts.
  • We provide dedicated project managers for every job.
  • Projects completed in as little as 2-3 weeks.
  • Covering Glasgow, Lanarkshire, and much of Central Scotland.
What people say
Award-winning quality Fast project completion Professional team Excellent communication Guaranteed work
Services
Home Extensions
We design and construct custom home extensions to increase living space and property value. Our services cover single-storey, double-storey, and rear extensions using high-quality materials. Clients benefit from our 30+ years' experience and guaranteed workmanship.
Loft Conversions
Transform unused loft space into functional rooms with our expert conversion service. We handle all aspects from insulation to staircase installation, ensuring compliance with building regulations. Ideal for adding bedrooms, offices, or storage areas.
Porch Installations
Enhance your home's entrance with durable, weatherproof porch installations. We offer custom designs using uPVC, timber, or composite materials, completed by skilled tradespeople with full project management support.
Site Management
Our dedicated project managers ensure seamless execution of building works. Services include scheduling tradespeople, quality control, and client communication to guarantee minimal disruption and timely completion.
Planning Applications
We prepare and submit architectural drawings and planning applications for extensions and conversions. Our team advises on regulatory requirements and liaises with local authorities to secure necessary approvals.
People
Bill McEvoy
Owner
Bill McEvoy leads Earnock Builders with over 30 years' experience in residential construction. He oversees operations and ensures quality standards across all projects.
Questions
Do I need planning permission for a home extension?
Planning permission isn't always required. Our team will advise you on specific requirements during the initial consultation.
How long does a typical home extension take?
Average extensions take 4-6 weeks, with larger projects completed within 6-8 weeks. Some small projects can finish in as little as 2-3 weeks.
What areas do you cover?
We serve Glasgow, Lanarkshire, and much of Central Scotland, including Hamilton, East Kilbride, Newton Mearns, and surrounding areas.
Are your builders qualified?
All work is completed by time-served professional building experts with full insurance and guaranteed workmanship.
Can you help with design and planning?
Yes, we provide architectural drawings and handle planning applications to ensure your project meets all regulations.
What guarantees do you offer?
We guarantee all work to last, with full insurance coverage against damage for your peace of mind.