TMS Architects & Interiors

TMS Architects & Interiors New England-based award winning architecture firm for over 40 years, designing timeless spaces in New Hampshire, Maine, and beyond.

Originally built in the 19th century and carefully renovated for its next chapter, this charming cottage on the Maine co...
09/04/2026

Originally built in the 19th century and carefully renovated for its next chapter, this charming cottage on the Maine coast retains an architectural language that speaks to its history. On the exterior, cedar shingles are paired with crisp painted trim, divided-light windows, and round Tuscan-style columns supporting the covered porch. Overhead, a paneled wood ceiling adds another layer of detail, while traditional paneled doors and a sidelight reinforce the cottage character of the entry.

That character continues inside, with reclaimed wood posts and beams immediately introducing warmth and texture to the foyer, contrasting with the painted millwork and surrounding vertical paneling. Even in this relatively small transition space, the mix of old and new reflects an update for modern life while preserving the character that made the original form worth keeping.

Photographer: Megan Booth, Photographer
Architect: TMS Architects & Interiors
Interior Designer: TMS Interiors
GC: Boston North Development
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We’re not quite ready to say goodbye to summer, but fall foliage in New England really knows how to frame a home.Photogr...
09/02/2026

We’re not quite ready to say goodbye to summer, but fall foliage in New England really knows how to frame a home.

Photographer: Rob Karosis Photography
Architect: TMS Architects & Interiors
GC: CM Ragusa Builders
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Looking out towards the Atlantic Ocean, this sitting room’s curved window wall was designed to make the most of the wate...
09/01/2026

Looking out towards the Atlantic Ocean, this sitting room’s curved window wall was designed to make the most of the waterfront views, with the architecture and interiors developed together to make the room feel cohesive from every angle. A patterned tray ceiling adds an unexpected detail overhead, while reflective glass-fronted bar cabinetry picks up the light and color of the idyllic view from a second perspective.

Photographer: Rob Karosis Photography
Architect: TMS Architects & Interiors
Interior Designer: TMS Interiors
GC: Britton Construction
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This detached garage was designed to complement the main home while still having a personality of its own. From the roof...
08/30/2026

This detached garage was designed to complement the main home while still having a personality of its own. From the rooflines and dormer to the custom garage doors and covered entry, the smaller structure still feels completely at home on the property.

Photographer: Rob Karosis Photography
Architect: TMS Architects & Interiors
GC: Jonathan Lovering
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A lot goes into a home before we get to the finished design. We start by learning how our clients live, what they need f...
08/28/2026

A lot goes into a home before we get to the finished design. We start by learning how our clients live, what they need from their home, and how they want to use it.

From there, factors like the site, optimal views, building orientation, and other unique details help shape a design that is specific to both the place and the people who will live there.

And while so much of the design process has become digital, we still come back to one of the oldest tools in the office: the pencil.

There’s something about putting an idea down by hand that makes it easier to explore, adjust, and see where a concept might go. Senior Project Manager Lafe Covill has been doing just that for years, working through ideas before they become the finished homes we see today.

Swipe to see one of those sketches brought to life.

P.S. Happy birthday, Lafe!🎈

Photographer: Seacoast NH Photographer Headshots • Branding
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Walking through the kitchen at our Boulevard Beach House, the relationship between the architecture and interiors starts...
08/27/2026

Walking through the kitchen at our Boulevard Beach House, the relationship between the architecture and interiors starts to become pretty apparent. The windows frame the water from nearly every angle, while the finishes work within that view rather than competing with it. Light cabinetry meets warm oak wood floors, and a flowing mosaic backsplash adds a little movement to the otherwise simple palette.

We appreciate when the view is the focal point, but the details still give you plenty to look at.

Photographer: Rob Karosis Photography
Architect: TMS Architects & Interiors
Interior Designer: TMS Interiors
GC: Britton Construction
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“It’s nice to see a lot of these details coming together as a whole. There’s still more to go, but you can really start ...
08/26/2026

“It’s nice to see a lot of these details coming together as a whole. There’s still more to go, but you can really start to see how each piece relates to the next.”

Walking around this lakeside gambrel with lead architectural designer Lafe Covill, much of the conversation comes back to the transitions between materials. Stone meets trim, trim gives way to shingles, and the shingles transition into faux slate roofing, with each junction helping define the character of the house.

As Lafe explains, “There’s a push and pull between the materials, but they’re also all doing a job. They help protect the house from the elements while creating indoor and outdoor shelter that allows the owners to enjoy the lake.”

Still a work in progress, but with more of the full architectural picture coming into view thanks to the stellar craftsmanship of Tucker Builders.

Last Thursday, the TMS team traded the office for an afternoon on the river with the Gundalow Company!Aboard the Piscata...
08/24/2026

Last Thursday, the TMS team traded the office for an afternoon on the river with the Gundalow Company!

Aboard the Piscataqua (a traditional gundalow built in 2011), we had the chance to help raise the sail, learn from the crew about the region’s maritime history and wildlife, and see Portsmouth and the surrounding coastline from a completely different perspective.

Gundalows played an important role in the Piscataqua region for centuries, transporting goods along rivers that larger ships couldn’t navigate. Today, the Gundalow Company uses Piscataqua to help educate the community about the maritime heritage and environmental health of the region.

As architects and designers who spend a lot of time working along New England’s coastlines and waterways, it was especially interesting to experience the area from the water. We even sailed past a few TMS projects along the way, giving us a chance to see our own work from a perspective we don’t often get.

Learning more about the ecology and history of the Piscataqua was also a great reminder of how much there is to understand about the places where we design, and the responsibility we have to respect what makes them special.

Most importantly, it was a great afternoon spent together as a team. Thank you to the Gundalow Company crew for sharing your knowledge, putting us to work raising the sail, and giving us such a fun afternoon on the water.

And yes, sailing hats were provided. Some were apparently popular enough to make their way back into the office on Friday.

The lake-facing elevation of Silver Lake Cabin was organized around the view, with expansive glazing bringing Silver Lak...
08/23/2026

The lake-facing elevation of Silver Lake Cabin was organized around the view, with expansive glazing bringing Silver Lake into the main living spaces and direct connections from the primary suite and living area to the patio below. A neutral palette and rustic detailing give the exterior its classic cabin character, while the open relationship between house, patio, and waterfront supports the way the home is used year after year.

Photographer: Rob Karosis Photography
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Outdoor living was an integral part of the design at Countryside Gallery, extending the experience of the home into the ...
08/21/2026

Outdoor living was an integral part of the design at Countryside Gallery, extending the experience of the home into the landscape. A broad three-season porch anchors the facade, while multiple points of access connect the interiors to the lawn, pool, and outdoor kitchen. 
 
Two stone chimneys stand amongst layered rooflines and traditional window proportions, giving the architecture its character, while clean lines and more contemporary detailing of the pool terrace provide a sense of balance. 
 
The result reflects one of the clients’ primary goals for the project: finding a balance between traditional architecture and a more contemporary way of living.

As they shared, “TMS far exceeded our expectations of understanding and executing on our desire to bridge traditional and contemporary ideas in a unique way. We love every space and detail of our home and have thoroughly enjoyed the process.”

Photographer: Rob Karosis Photography
Architect: TMS Architects & Interiors
GC: Bill Greenier
Landscape Architect: Woodburn & Company
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Address

2 International Drive
Portsmouth, NH
03801

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+16034364274

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