EXPERT BUILDING SERVICES ACROSS EAST LOTHIAN, MIDLOTHIAN & EDINBURGH
At McMillan Developments, we specialise in high-quality building projects — from house extensions and loft conversions to complete renovations. Serving East Lothian, Midlothian, and Edinburgh, we bring your vision to life with expert planning, craftsmanship, and end-to-end project management.
Looking to build or enhance your home? Contact us today:
HOUSE EXTENSIONS & RENOVATIONS
We design and build stunning home extensions that create more space and add lasting value to your property.
Whether you're expanding for a growing family or modernising your layout, our team ensures every detail is handled — from initial designs to the final build. We deliver seamless, high-quality additions that complement homes and lifestyles.
LOFT & GARAGE CONVERSIONS
Maximise unused space with our tailored loft and garage conversions.
From new bedrooms and en-suites to home offices and gyms, we transform underused areas into stylish, functional living spaces. Our turnkey service covers everything from planning permission to final fittings, ensuring a stress-free experience from start to finish.
ARCHITECTURAL & ENGINEERING SERVICES
Your project starts with solid planning — and we deliver it in-house.
Our architectural and engineering team works closely with you to develop clear, accurate designs that align with your goals. From surveys to structural planning, we ensure every build starts with precision and moves smoothly through each stage.
ROOFING & STRUCTURAL WORK
From flat roofs and slate installations to tiled systems and solar integration, we cover all roofing requirements for new builds and conversions.
Our roofing services guarantee quality, durability, and a perfect fit with your build. We also offer roof repairs and maintenance to keep your home protected year-round.
FULL-SERVICE BUILDING FOR HOMEOWNERS, LANDLORDS & DEVELOPERS
Whether you’re a homeowner planning an extension, a landlord upgrading your rental property, or a developer managing a larger project — McMillan Developments provides reliable, fully-managed building services across East Lothian, Midlothian, and Edinburgh.
We work closely with trusted electricians, plumbers, plasterers, and interior installers to deliver a complete solution with minimal disruption.
