Timeless Design

For Real Life

Start your Project

Denver Interior Design

Hi, I’m Margaret..

For more than 25 years, I’ve helped homeowners create spaces that feel timeless, welcoming, and thoughtfully lived in. My approach to design blends refined aesthetics with real-life functionality—creating homes that feel both beautiful and deeply personal.

Originally from Australia, my career has taken me from custom homes in Connecticut to serving clients throughout Texas for over two decades before bringing my design work to Denver, Colorado.

I believe great design should feel elevated, comfortable, and uniquely tailored to the people who live in it. Whether I’m helping refresh a single room or transform an entire home, my goal is always the same: to create spaces that feel warm, cohesive, and effortless to live in.

Designed for the Way You Live

Busy Professionals

〰️

Home Decorating

〰️

Growing Families

〰️

Calm Spaces

〰️

Comfortable Luxury

〰️

Kitchen & Bathrooms

〰️

Busy Professionals 〰️ Home Decorating 〰️ Growing Families 〰️ Calm Spaces 〰️ Comfortable Luxury 〰️ Kitchen & Bathrooms 〰️

Explore Services

What People Are Saying

  • It’s no exaggeration when Margaret says she can “design anything under the sun.” Her talent goes far beyond interiors—she brings a deep understanding of home structure, flow, and function to every project. Margaret has an incredible eye for color, lighting, furniture placement, and even the smallest details like fabric choices, all while making sure the final design reflects our personal style. On top of her remarkable skill, she is truly one of the kindest, most genuine people you’ll meet. Without a doubt, one of the best interior designers I’ve ever interacted with!

    — Aaron

  • We couldn't be happier with both spaces. Margaret had an amazing vision to make both way more practical for our growing family and lifestyle. She found clean ways to hide the clutter, picked the quality materials in our budget, and was a joy to work with. I highly recommend Sunderland Designs for anyone looking to remodel or decorate their interiors.

    — Jessica

  • Margaret is amazing! She does such beautiful work and was so helpful in giving me great ideas to freshen up my store. She’s truly a master with color and has such a great eye for design. I really appreciate her honesty and the way she makes the whole process enjoyable. I am so happy how everything turned out! When in doubt....give Margaret a shout!🤩

    — Michele

  • If you are looking for an excellent interior designer, definitely reach out to Margaret. I have worked with her for several of my clients to pick colors for painting. Her expertise helps ease the mind of my clients when trying to find colors they will be happy with.

    — Micah

  • Margaret is a wonderful decorator and very good to work with. We have used her services for several projects over the years and have always been very pleased.

    — Keith

  • Margaret’s expertise understands the customer’s design wishes. She goes above and beyond the customer’s wishes and has excellent design skills.

    — Nena

  • Margaret brings so much joy and enthusiasm to the design process. She made revamping my space easy and fun. I was so frustrated with the clutter and flow of my house but with Margaret’s help I feel so at ease and peaceful in my new space! Thank you Margaret!

    — Julia

  • Margaret bring professionalism and joy to every job! She has a great eye and makes sure you understand the process and the reasons behind each decision. Highly recommend!

    — Terese

  • So knowledgeable and helpful with all things interior design. Margaret really knows her stuff! We are blessed to have someone with these incredible skills for color, fabrics, layouts, and furniture here in Castle Rock. 10/10, will definitely use her again at our house!

    — SB

  • Margaret is an absolute joy to work with! Not only is she kind, fun, and sweet to work with she is knowledgeable and professional! She will totally transform any space to be the area/ room of your dreams!

    — Karen

  • Margaret of Sunderland Design is so enthusiastic and passionate about what she does! 5 stars all the way 🌟

    — Kim

  • 5 star experience. And she supports the local community too!

    County Cheer

  • She does amazing work!

    — Tim

  • Margaret has helped several of my clients with selecting color choices for their interior and exterior spaces. She listens want the client wants and guides them every step of the way.

    — Jared

  • If you're looking for a fresh perspective on designing the interior of your living space, look no further than Sunderland designs. Margaret is an absolutely lovely person who will listen closely to your thoughts and put together a beautiful plan for your floors, walls, ceiling and everything in between. I highly recommend setting an appointment today.

    — Chris

Whatever you're envisioning,

I’m here to help you take the first step with confidence.

Schedule Your Discovery Call