
ARCHITECTURAL & DESIGN SERVICES
We guide your project from initial sketches to final architectural plans, ensuring your vision is clearly captured.
Our skilled team creates precise designs that align with your goals, preparing the groundwork for a smooth transition into the building phase.

BUILDING & RENOVATION SERVICES
From house extensions and full renovations, to loft or garage conversions, our experienced team of qualified tradespeople ensures your project is delivered with quality craftsmanship.
We oversee every step, providing end-to-end management to ensure your home transformation is completed to your exact specifications.
COMPREHENSIVE SURVEYS & PLANNING
We offer thorough property surveys to assess your space, identifying potential for expansion or renovation.
Our experts create detailed plans and designs based on your vision, ensuring accuracy and seamless project execution.


STRUCTURAL ENGINEERING SOLUTIONS & BUILDING WARRANT APPROVAL
Every structural modification demands exact calculations long before construction crews arrive on site. Mcmillan Developments delivers complete engineering solutions, handling structural load-bearing requirements, foundation depth assessments, complex steel framing design and roof truss modifications.
​
We submit all technical documentation directly to East Lothian Council. Preparing detailed structural drawings alongside accurate calculations guarantees smooth building warrant approvals, preventing site delays, protecting your financial investment and ensuring total structural compliance.
BESPOKE LUXURY HOME EXTENSIONS & LIFESTYLE DESIGN
Expanding a high-value home requires balancing existing architectural character with contemporary luxury living. We design tailored home extensions throughout North Berwick, executing glass-fronted open-plan living areas and architectural kitchen upgrades. Our approach to building planning design ensures every new addition seamlessly integrates with slate roofing and existing site conditions. We create layouts that improve overall energy efficiency and create effortless connections between indoor living zones and outdoor spaces.
Combining initial structural design with complete construction services, McMillan Developments brings more than 35 years of trusted experience to your build. Contact us today to schedule your site assessment.

COMPLETE BUILDING SOLUTIONS
Whether you’re planning an extension, a renovation, conversion or a new build, we manage every aspect from start to finish.
Our professional team provides a comprehensive, tailored service, ensuring each project phase meets your expectations for quality and completion.


