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Begin your design journey
Mandeville Canyon Interior Design is a full-service interior design firm serving homeowners in Exeter and across the New Hampshire Seacoast. Led by designer Renee Carman from our Exeter studio, we handle everything from initial concept and material sourcing to contractor coordination and final installation - so you never have to manage the moving parts alone.

Whether you’re remodeling a single room, transforming your entire home, or building from the ground up, we bring a nature-inspired, neuro-aesthetic approach to every project. The result is a home that doesn’t just look beautiful, but supports the way you actually live, breathe, and rest.

What Full-Service Means

Many homeowners come to us having worked with designers who handed over mood boards and left the rest to them. That’s not how we work.

Full-service interior design means Renee leads your project from the first conversation through the final reveal,  and every step in between:

  • In-home consultation to understand how you live, what your home needs, and what your budget can do
  • Complete design development — floor plans, mood boards, elevations, 3D renderings, and material selections
  • Sourcing and procurement of furniture, fixtures, art, and sustainable materials from trusted vendors
  • Contractor and trade coordination — we work with your team or connect you with our trusted Seacoast network
  • Hands-on project management that keeps your timeline and budget on track
  • Installation and styling so your home is complete — not just designed

You stay informed and in control. We carry the complexity.

Full-Service Interior Design Services - New Hampshire Seacoast

What we design

We provide residential interior design services across every room of your home. Whether you have one space in mind or you’re ready to reimagine the whole house, our process scales to your needs:

  • Living rooms and gathering spaces
  • Kitchens and dining areas
  • Primary suites and bedrooms
  • Bathrooms and powder rooms
  • Home offices and studies
  • Entryways, hallways, and transitional spaces
  • Whole-home and multi-room renovations

We also offer interior design services for remodels and renovations, collaborating closely with architects, structural engineers, and contractors when walls move and spaces transform. If you’re planning a significant renovation and need a designer who can think three steps ahead, that’s exactly the kind of project we love.

The Nature-Inspired Difference

You’ve likely noticed that some rooms feel calming the moment you walk in, while others feel unsettled even when they look fine on paper. That’s not coincidence -  it’s neuro-aesthetics.

Renee’s design philosophy is rooted in how the human brain responds to its environment. Drawing on biophilic design principles,  the science of connecting interior spaces with the natural world, every project is shaped around light, texture, material, color, and flow in ways that reduce stress, support focus, and invite rest.

This means organic materials sourced with sustainability in mind, palettes drawn from the New Hampshire landscape, layouts that breathe, and spaces that feel alive rather than assembled. It’s nature-inspired interior design, but grounded in science - and it shows in how the finished home feels to live in every single day.

Your Design Journey

Our six-step process keeps your project transparent, well-managed, and grounded in your vision from the first conversation to the final reveal:

Areas We Serve

Our East Coast studio is in Exeter, NH, and we serve homeowners throughout the New Hampshire Seacoast: Exeter, Stratham, Rye, Portsmouth, New Castle, Hampton Falls, and North Hampton. If you’re searching for an interior designer near me anywhere on the Seacoast, or a trusted interior designer in Portsmouth, NH or the surrounding towns, we’d love to hear about your home.

We also take on select projects inland, including the Lake Winnipesaukee region and the Upper Valley (Hanover, Lebanon, Woodstock). Reach out about your project wherever you are.

Full-Service Interior Design Services - New Hampshire Seacoast

FAQs

Learn how we work and how to get started with your kitchen or bathroom design project.

Can you work with our existing contractor or architect?

Absolutely. We regularly collaborate with homeowners’ contractors, architects, and builders, providing the detailed drawings, specifications, and communication they need. Many of our best projects are true team efforts.

What makes nature-inspired (biophilic) design different for a kitchen or bath?

Biophilic design works with your brain’s innate response to the natural world. In a kitchen, that might mean maximizing daylight, choosing organic materials and calming palettes, and creating flow that reduces friction in your daily routine. In a bathroom, it means spa-like textures, soft light, and sensory calm. Rooted in neuro-aesthetics, the result is a space scientifically attuned to lower stress and lift your mood, not just a pretty room.

How long does a kitchen or bathroom design project take?

Timelines vary with scope, but most bathroom projects run a few months from consultation to completion, while full kitchen projects typically take longer once cabinetry lead times and construction are factored in. During your consultation, we’ll map out a realistic schedule.

What areas do you serve?

Our East Coast studio is in Exeter, NH, and we serve the entire Seacoast: Stratham, Rye, Portsmouth, New Castle, Hampton Falls, North Hampton, and surrounding towns. We also take on select projects inland, including the Lake Winnipesaukee region and the Upper Valley.

What does it cost to work with a kitchen and bathroom designer?

very project is different, which is why we begin with a complimentary discovery call and an in-home consultation to define scope and budget together. What we can promise: transparency from day one, and a process designed to protect your investment. Professional design pays for itself by preventing expensive mistakes, sourcing smartly, and creating spaces with lasting value, both in daily well-being and in resale.

Do you handle the construction, or just the design?

We lead the design and stay with you through construction. Renee develops the complete design (layout, cabinetry drawings, materials, fixtures, and finishes) then coordinates a trusted network of local builders and trades to execute it, providing hands-on project management throughout. You get the creativity of a dedicated interior designer and the accountability of a managed build.

Transformations Worth Sharing

Clients who have experienced the transformative power of healthy interior design

Renee possesses a rare combination of artistic creativity and intuitive design. Her warmth and compassion extended beyond working with us to understanding the style and feel of our home and how we live in it. We felt fortunate to work with and get to know Renee and absolutely love the updates she made to our home- from windows and walls to artwork and furniture!

Jim P.

Renee is an absolutely wonderful designer. Very talented and easy to work with! She will transform your room or outdoor space into exactly what you want, only better!

Karen S.

Talented, creative, dedicated, great communicator. Renee is such a special person.

Marla W.

We have worked with Renee Carman at this company for almost 2 years. Renee is professional, personable, and a pleasure to know. She is very helpful and will go the extra mile to please her clients. Renee has excellent expertise and knowledge of interior design. We have a beautiful home and highly recommend her.

Lisa W.

Renee possesses a rare combination of artistic creativity and intuitive design.  Her warmth and compassion extended beyond working with us to understanding the style and feel of our home and how we live in it.  We felt fortunate to work with and get to know Renee and absolutely love the updates she made to our home- from windows and walls to artwork and furniture!

Kate S.

Renee was a pleasure to work with and has great vision. We were doing a total rehab of a recently purchased property and she was able to look at a gutted out '50s cottage and turn it into a beautiful mid-century modern home. She understood our budget and timeline and was good about narrowing all our options down to just a few choices. This expedited the process, made it less difficult and more enjoyable. Once the rehab is done, we look forward to working with her again and finish the rest of the rooms.

Bill H.

Renee at Mandeville Canyon Interior Design was simply wonderful to work with. She was able to understand what we were looking for in terms of color, function and design from the moment we first spoke. She's easy to work with, goes above and beyond and delivers an outstanding design.

I highly recommend Renee and Mandeville Canyon Interior Design. I don't think I will attempt to decorate another room in my house without the help of Renee!

Pam O.

Love working with Renee and Mandeville Canyon Interior Design ! I had the opportunity to collaborate on a large scale design project recently and the results were fantastic! Creative, resourceful and one of kind design ideas made this design opportunity with Renee "one of a kind" Have a large or small project? You won't be disappointed!!

Mary S.

Renee not only has an amazingly creative eye, she also directed a massive renovation for us this past year that included the challenges of operating during the pandemic. She put together a team that had an incredible work ethic and brought the project in on-time and on-budget. She's a great listener. When we threw ideas at her, she was never dismissive; quite the contrary, she made them better. Her patience, attention to detail combined with her whacky sense of humor meant we were all able to smile while producing a home that we love. A great talent and a great lady.

Ann R.

Rene is amazing!  Great customer care and wonderful attention to detail.

Holly M.