At Allan Trant’s Exterior Finish, we believe your home should be a perfect reflection of your lifestyle, including your outdoor spaces. We are dedicated to providing top-quality construction services that enhance the beauty and functionality of your property. From stunning deck building services to seamless home additions, our team brings generations of craftsmanship and a commitment to excellence to every project we undertake in the New Hampshire Seacoast.
Requesting a free estimate is quick, easy, and comes with no obligation to commit. Our team provides honest, transparent pricing so you can explore your options without pressure.
NOTE: We don’t offer repair or staining services
We specialize in creating spaces that help you get more out of your home. Whether you’re looking to expand your indoor living area or create a beautiful outdoor retreat, our design-build team is here to bring your vision to life. We work with you from the initial concept to the final nail, ensuring a smooth process and a result you’ll love.
We create a variety of Outdoor Living Structures to elevate your property. Explore our full range of services:
We build pergolas, gazebos, and pavilions to create beautiful, functional outdoor environments. Each structure is designed to relax, entertain, and enhance your backyard’s appeal and value.
Our team handles siding, trim, and exterior upgrades that boost curb appeal, increase energy efficiency, and protect your home from the elements, with results that last for years.
We design and construct decks tailored to your needs, blending seamlessly with your home. Our focus is on craftsmanship, durability, and a personalized space for gatherings or relaxing.
Experience low-maintenance, long-lasting decks made from premium composite materials. These decks resist weathering and offer reliable performance without sacrificing style or comfort.
Upgrade your aging deck with a resurfacing or remodeling project. We reinforce existing structures, replace worn boards, and give your deck a fresh new look at a fraction of the cost.
Add built-in benches, lighting, railings, or privacy screens to enhance your deck’s comfort and functionality. We customize each detail for added enjoyment and convenience.
We offer decks made with Trex for superior durability, low maintenance, and a range of attractive finishes. Trex decks stand up to harsh weather and heavy use.
Our TimberTech and AZEK decks are stunning, weather-resistant, and easy to maintain. Choose from wood-look or modern finishes for a custom, high-end appearance.
Enjoy shade, shelter, and style with a custom gazebo or pavilion. Perfect for garden parties, outdoor dining, or relaxing in your backyard retreat.
Maximize your space with underdeck solutions that keep areas beneath your deck dry and usable. Ideal for extra storage or sheltered hangout spots.
We craft decks using high-end, exotic woods for a striking, luxurious finish. These decks feature natural beauty, impressive durability, and timeless style.
We design and build multi-tiered decks to maximize your outdoor footprint. Perfect for dining, lounging, and defining unique outdoor zones in your yard.
Add a fully equipped outdoor kitchen to your deck or patio. We build spaces for grilling, dining, and entertaining with ease.
We install Barrette decking and other advanced products, blending aesthetics, performance, and versatility for vibrant, long-lasting decks.
Our custom pergolas provide shade, comfort, and a stylish focal point for your outdoor space, crafted from quality wood or low-maintenance aluminum.
We design and build custom porches that enhance your home’s entrance and offer an inviting spot to relax, greet visitors, or enjoy the outdoors.
Extend your home’s comfort with rooms for year-round or seasonal enjoyment. We provide added living space with natural light and protection from the weather.
We create custom decks for pools and swim spas, blending safety, style, and durability so you can enjoy your backyard in every season.
From elegant pergolas that provide shade to functional pavilions for events, our structures are built with high-quality materials and expert craftsmanship to deliver lasting value to your real estate. We create a variety of outdoor living structures to elevate your property. From elegant pergolas that provide shade to functional pavilions for events, our structures are built with high-quality materials and expert craftsmanship to deliver lasting value to your real estate.
Allan Trant Exteriors, established in 2014, is built on a legacy of craftsmanship spanning three generations. Allan Trant, a third-generation carpenter, grew up immersed in the art of construction, learning the values of precision, hard work, and customer-first service. Today, his team specializes in creating high-quality decks and outdoor living spaces across New Hampshire’s Seacoast, delivering projects that reflect integrity, attention to detail, and lasting value.
More than just a deck builder, Allan Trant Exteriors prioritizes personalized service and honest craftsmanship. From using premium materials like Trex and TimberTech to ensuring clear communication and timely project completion, the company is committed to turning homeowners’ visions into reality. With a foundation of integrity and community commitment, they create outdoor spaces that homeowners can cherish for years to come. Our Deck Building Services are second to none, and we look forward to showing you why.
Since 2014, Allan Trant Exteriors has been the Seacoast’s premier partner for custom deck construction. From our Nottingham base to homes in Portsmouth, Manchester, and Rochester, we design and build high-performance outdoor retreats tailored to the New Hampshire landscape. Whether you are looking for a low-maintenance composite upgrade or a full-scale luxury deck, our expert team brings factory-certified craftsmanship to every project in our service area.