Design with purpose.
From initial ideas to final submission, we combine architectural design with building surveying expertise to create practical, compliant spaces.
Get in Touch
Jess - 07425907927
Ryan - 07435250503
Our Services
We specialise in planning and building warrant submissions, producing clear, accurate drawings that meet Scottish regulations and local authority requirements.
Technical Drawings
Planning Applications
Building Warrants
Building Surveying
Clear, detailed drawings for construction and building warrant applications.
Planning drawings and applications from concept through to submission.
Technical drawings and specifications prepared for Scottish Building Standards.
Snagging, condition surveys and property reports.
Lauren, Bishopton
“Excellent service from start to finish."
Michael, Arrochar
"Fantastic design ideas, we would not have completed the project as well without their help and experience..Will definitely use them again on our next renovation."
Ross, Renfrewshire
“Have worked with McAllen Design on many projects and have found them to be great at communication and timescales. Would highly recommend.”
Why choose us?
With a BSc (Hons) in Building Surveying, all work is led by an experienced design surveyor and former building control officer, ensuring practical, compliant designs and drawings prepared to professional standards. Our drawings and reports are precise and easy to use, giving contractors and clients the detail they need for smooth, efficient construction. We provide honest advice, fixed-scope services, and clear communication from initial survey to final submission - making your project stress-free and legally compliant.
Meet Our Team
Holding a BSc (Hons) in Building Surveying and backed by extensive industry experience, including time working in New Zealand, Ryan combines professional expertise with innovative thinking. From the earliest ideas through to the final plans, he delivers practical and well-considered solutions for every project.
Jess manages our emails, messages, and social media, helping keep everything running smoothly behind the scenes. As she continues to develop her role within the business, you’ll be seeing much more of her as we continue to grow.