OVER 35 YEARS OF EXPERTISE IN BUILDING RENOVATIONS
YOUR LOCAL BUILDER
IN EAST LOTHIAN & BEYOND
Looking for a builder in East Lothian? McMillan Developments, is your local building company with an excellent reputation. Working with clients across all of East Lothian including areas such as North Berwick, Gullane, Haddington, Dunbar, Musselburgh, East Linton, Tranent and further afield, we offer all aspects of building work and architectural and engineering services, including house extensions and loft conversions. Delivering complete, carefully handled projects from planning to completion.
Speak with our team to get started on your project.
OUR SERVICES
BUILDING HOMES, EARNING TRUST – ONE PROJECT AT A TIME
At McMillan Developments, we understand that your home is more than just bricks and mortar – it is where life happens. We have built a strong reputation across the local and surrounding areas for delivering reliable, high-standard building work with care and precision.
With over 35 years in the industry, our team brings together a full spectrum of skilled trades – including extensions, renovations, loft and garage conversions, plumbing, heating, electrical work, plastering, and painting. Serving clients across East Lothian, Midlothian, and Edinburgh, every project is handled by trained professionals who take pride in their work, offering a smooth, end-to-end service from initial design and surveys through to full completion.
OUR LATEST WORK
SPACE REIMAGINED – INSIDE AND OUT
We specialise in tailored building solutions that meet the needs of homeowners looking to improve, expand or completely reimagine their living space. Whether you are investing in a single-room upgrade or managing a full property transformation, we are here to make the process straightforward, collaborative, and reliable.
Every project is handled with care by Gas Safe registered plumbers and SELECT-approved electricians, ensuring full compliance and safe working practices. With over three decades of hands-on building experience, we follow trade-backed methods that protect both your property and your peace of mind.
Thinking of starting a construction project? Let us know how we can help.
WHY CHOOSE MCMILLAN DEVELOPMENTS FOR YOUR BUILDING PROJECT?
Family-Run, Customer-Focused
As a family-run business with over 35 years of experience, we take pride in delivering personal, reliable service. Our reputation is built on trust, integrity, and long-term client relationships.
Complete Building Services – All in One Place
From foundations to finishing touches, we’re your one-stop shop for everything from plumbing and electrics to plastering, painting, and project management. No need to juggle multiple trades - we handle it all.
Fully Qualified & Certified Experts
Our team includes Gas Safe registered engineers and SELECT-approved electricians, ensuring every installation meets the highest safety and industry standards. You can trust us for quality, compliant workmanship every time.
