The best spring decks are planned in the fall. Build now and enjoy crisp fall evenings outdoors, or use the winter for design, materials and permits so your project is first in line when the 2027 season opens. Either way, the homeowners who plan early get the earliest build dates.
Projects start at $20,000. Flexible financing is available through GreenSky® for qualified homeowners.
Nottingham, NH · Serving the Seacoast & Southern NH
Allan Trant's Exterior Finish Work builds custom new decks across the New Hampshire Seacoast and Southern NH — from multi-level and wraparound decks to swim spa, rooftop and composite builds. As a TrexPro® Platinum and Barrette Outdoor Living Platinum Installer, we deliver decades of craftsmanship with a frame that looks just as good as the finish.
Our Deck Building Services
Custom single and multi-level decks, wraparound and rooftop designs built to fit your home's architecture and the way you live outdoors.
Purpose-built swim spa and pool decks with secure framing, integrated steps and the right clearances for safe, beautiful water access.
Premium low-maintenance materials from Trex, TimberTech/AZEK, Deckorators, Fiberon and Barrette Outdoor Living — beautiful for years with no upkeep.
Modern composite, aluminum, cable and glass railings with secure stairs and landings built to meet town codes and elevate your view.
Post cap lighting, stair riser lights, pergolas, gazebos, porches, outdoor kitchens and fire pits that turn a deck into an outdoor destination.
Underdeck drainage and waterproofing systems that create clean, dry, usable space beneath elevated decks — perfect for storage or a shaded patio.
Our Process
Call us or submit the form. We discuss your vision, your yard and how you want to use your new deck.
We create a custom design for your home and lifestyle and help you choose materials like Trex, TimberTech or Azek.
You receive a clear, detailed proposal. We pull every required building permit before scheduling construction.
Our crew builds with meticulous attention to detail, especially in the framing, which is built to look as good as the finish.
We walk the finished deck with you, confirm your satisfaction and hand over your new outdoor space.
Free estimates. Projects start at $20,000. Flexible financing available.
Why Choose Us
Multi-level, swim spa, rooftop and composite decks designed and built for your home.
TrexPro® Platinum and Barrette Outdoor Living Platinum Installer, also installing TimberTech/AZEK, Deckorators and Fiberon.
Framing built to the same standard as the finish work: 'the frame looks just as good as the finish'.
We pull the permits for you, so you never have to deal with the town or paperwork.
Detailed, high-quality proposals and hands-on project management from start to finish.
Excellent customer service and clear communication at every step of your build.
Decades of hands-on experience from a third-generation carpenter, serving the Seacoast since 2014.
Efficient building processes deliver stunning results without long wait times.
Custom designs crafted for your lifestyle, preferences and home's architecture.
Known in the community through Chamber of Commerce involvement and local sponsorships.
Flexible deck and home addition financing options through GreenSky® for qualified homeowners.
Premium materials and finish-level detail that stands up to New Hampshire seasons.
What Our Clients Say
Areas We Serve
Based in Nottingham, NH and building throughout the Seacoast and Southern NH, with priority on Portsmouth, Dover, Exeter, Hampton and Rochester.
Primary Home Base
20 Gravel Pit Road, Nottingham, NH 03290 — serving Rockingham County, Strafford County and surrounding towns.
Got Questions?
Everything you need to know about our custom deck builds.
The homeowners who plan early get the earliest build dates. Projects start at $20,000 with flexible financing options available through GreenSky®.