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Addition to existing structure builders in Gilmanton

Aubrey & Son Home Improvement
35 Upham St Unit A
5.00(
13
)
Approved Pro
Aubrey & Son Home Improvement
35 Upham St Unit A
5.00(
13
)
Approved Pro
Customers say: Quick response
2 years of experience
Free onsite estimate

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Thorough and has pride in the quality of his work. Checked severally after work was done."

Toyin A on April 2025

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Thorough and has pride in the quality of his work. Checked severally after work was done."

Toyin A on April 2025


Avatar for Ted Hemlin General Contractor
Ted Hemlin General Contractor
PO Box 142
5.00(
3
)
Approved Pro
Ted Hemlin General Contractor
PO Box 142
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

Ted Hemlin General Contractor is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. We have an overflow of exprience with quality work and make sure we make our customers visions come to fruition.

"Ted Hemlin has done quality work at our home to include a garage addition, new shed build, entry stairs rebuilt, and interior finish work in fitness room. He is polite, considerate, and a very hard worker who takes pride in his work."

Sandra B on June 2020

Ted Hemlin General Contractor is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. We have an overflow of exprience with quality work and make sure we make our customers visions come to fruition.

"Ted Hemlin has done quality work at our home to include a garage addition, new shed build, entry stairs rebuilt, and interior finish work in fitness room. He is polite, considerate, and a very hard worker who takes pride in his work."

Sandra B on June 2020


JT Contracting, LLC
11 Shirley Way
5.00(
4
)
Approved Pro
JT Contracting, LLC
11 Shirley Way
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
19 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"A very professional company that goes above and beyond to stay in budget and complete the job in the time frame provided. Excellent work and I was very happy with the finish product and quality of work performed through out the project scope."

Jacqueline G on June 2023

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"A very professional company that goes above and beyond to stay in budget and complete the job in the time frame provided. Excellent work and I was very happy with the finish product and quality of work performed through out the project scope."

Jacqueline G on June 2023


A.T. Design Consultants & Contracting
142 ASHWORTH AVE UNIT A
New on HomeAdvisorNew on Angi
Approved Pro
A.T. Design Consultants & Contracting
142 ASHWORTH AVE UNIT A
New on AngiNew on HomeAdvisor
Approved Pro
15 years of experience
Free onsite estimate

We’re a locally owned and operated company with over 30 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of Home Improvement services that are customizable to each individual project. We specialize in additions and remodels, carpentry, siding, tile, painting, and a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We offer a one year guarantee on all jobs performed. Estimates are free and there are no up front costs to our home and business owners. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

We’re a locally owned and operated company with over 30 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of Home Improvement services that are customizable to each individual project. We specialize in additions and remodels, carpentry, siding, tile, painting, and a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We offer a one year guarantee on all jobs performed. Estimates are free and there are no up front costs to our home and business owners. We look forward to building lasting relationships with our clients and guarantee your satisfaction!


Avatar for INTEGRATED-BUILDERS INCORPORATED
INTEGRATED-BUILDERS INCORPORATED
2 Dublin Ct
5.00(
3
)
Approved Pro
INTEGRATED-BUILDERS INCORPORATED
2 Dublin Ct
5.00(
3
)
Approved Pro
1 years of experience
Free onsite estimate

Integrated-Builders is a premier general contracting, home remodeling, and restoration services construction company specializing in residential and commercial construction. We provide comprehensive services including design, construction, and project management, ensuring seamless and efficient serves exceed client expectations. With a focus on service, quality, and value, our experienced team handles everything from minor updates to large-scale projects.

Integrated-Builders is a premier general contracting, home remodeling, and restoration services construction company specializing in residential and commercial construction. We provide comprehensive services including design, construction, and project management, ensuring seamless and efficient serves exceed client expectations. With a focus on service, quality, and value, our experienced team handles everything from minor updates to large-scale projects.


Avatar for JLC Building Company
JLC Building Company
10 Bentley Road
5.00(
7
)
Approved Pro
JLC Building Company
10 Bentley Road
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

JLC Building Co. brings over 15 years of experience and a dedication to the highest quality and standards of craftsmanship. We have completed hundreds of renovations, additions, and new construction projects - both large and small scale. Customer satisfaction is our primary objective. Each project deserves the up-most importance and we strongly believe in working with each customer to build their vision.  JLC practices honest pricing, quality materials, beautiful installations, and strives to maintaining a clean work space. Whether a gorgeous tile job for that new bathroom, a kitchen remodel, or a new deck addition, give us a call! Licensed in the State of New Hampshire and fully insured through Liberty Mutual.

"I am writing Home Advisor to let them know how pleased I am with the service I received from JLC building company. The latest home improvement Jay completed for my wife and I was a combination, carport / deck. I had Jay expand the Inlaw apartment in the lower level of our house. This expansion took over my garage which lead to the need for a carport. Jay constructed the carport with pressure-treated beams and it came out great. However, it was the deck above the carport that really stands out. Jay used composite decking that was secured to the carport. He used fasteners that locked in the decking without the need to drill holes in the decking itself. This resulted in a beautiful deck that did not have hundreds of lines where the screws fasten the decking to the framework. Jay, then recommended a dark railing system that blended in with the surrounding woods. The dark railing is so much better than the white railing we have on the other side of our house. That white railing was here when we purchased the home and it optically closes in the deck and draws your attention away from the natural surroundings. After completing the deck, Jayâ s crew removed a window and installed an awesome slider. The slider gives us access to the huge deck from our middle floor. It has adjustable louvers inside the glass which allows us to view the beautiful outdoors or choose to have privacy without the need for drapes. Jay finished the job with white shiplap inside which accented the living room perfectly. I am not sure what our next project might be but I do know that JLC builders will be doing the work. Rick"

Rick M on March 2024

JLC Building Co. brings over 15 years of experience and a dedication to the highest quality and standards of craftsmanship. We have completed hundreds of renovations, additions, and new construction projects - both large and small scale. Customer satisfaction is our primary objective. Each project deserves the up-most importance and we strongly believe in working with each customer to build their vision.  JLC practices honest pricing, quality materials, beautiful installations, and strives to maintaining a clean work space. Whether a gorgeous tile job for that new bathroom, a kitchen remodel, or a new deck addition, give us a call! Licensed in the State of New Hampshire and fully insured through Liberty Mutual.

"I am writing Home Advisor to let them know how pleased I am with the service I received from JLC building company. The latest home improvement Jay completed for my wife and I was a combination, carport / deck. I had Jay expand the Inlaw apartment in the lower level of our house. This expansion took over my garage which lead to the need for a carport. Jay constructed the carport with pressure-treated beams and it came out great. However, it was the deck above the carport that really stands out. Jay used composite decking that was secured to the carport. He used fasteners that locked in the decking without the need to drill holes in the decking itself. This resulted in a beautiful deck that did not have hundreds of lines where the screws fasten the decking to the framework. Jay, then recommended a dark railing system that blended in with the surrounding woods. The dark railing is so much better than the white railing we have on the other side of our house. That white railing was here when we purchased the home and it optically closes in the deck and draws your attention away from the natural surroundings. After completing the deck, Jayâ s crew removed a window and installed an awesome slider. The slider gives us access to the huge deck from our middle floor. It has adjustable louvers inside the glass which allows us to view the beautiful outdoors or choose to have privacy without the need for drapes. Jay finished the job with white shiplap inside which accented the living room perfectly. I am not sure what our next project might be but I do know that JLC builders will be doing the work. Rick"

Rick M on March 2024


Avatar for Sky's Carpentry on Lake Winnipesaukee LLC
Sky's Carpentry on Lake Winnipesaukee LLC
30 Marvin Rd
4.67(
24
)
Approved Pro
Sky's Carpentry on Lake Winnipesaukee LLC
30 Marvin Rd
4.67(
24
)
Approved Pro
Customers say: Super punctual
49 local quotes requested
23 years of experience

• Award Winning Service • A+ BBB Rating • With 20+ Years of Experience, Sky’s Carpentry on Lake Winnipesaukee is a Locally Owned & Family Operated Carpentry Company based in the Lakes Region of New Hampshire • Fully Insured • Sky’s Carpentry understands your home needs and wants to make your dreams & ideas come true! • We use the finest materials and will not compromise quality to save money • Sky’s Carpentry on Lake Winnipesaukee is located in beautiful Moultonborough NH and services the entire Lakes Region of New Hampshire • We Service Wolfeboro, down to Alton and all Surrounding Towns around the Big Lake • We offer complete Remodeling Services, building & Home Repairs • Well Established Local Reputation - Check out our website or Visit us on Facebook @ https://www.facebook.com/Skys-Carpentry-on-Lake-Winnipesaukee-llc-209013575961765 • References available upon request • Call (603) 254-4151 to Schedule a FREE Estimate or Appointment

"I wrote the C review. 3 years later, the windows leak every year and there is a leak in another room under the roofing that Sean "fixed." I have just learned that there are holes (where he put his scaffolding) above the leaking area. The windows were new and the only leaks are below the holes. I have spoken to other roofers who say it was a very poor job and should be redone."

Judith C on May 2019

• Award Winning Service • A+ BBB Rating • With 20+ Years of Experience, Sky’s Carpentry on Lake Winnipesaukee is a Locally Owned & Family Operated Carpentry Company based in the Lakes Region of New Hampshire • Fully Insured • Sky’s Carpentry understands your home needs and wants to make your dreams & ideas come true! • We use the finest materials and will not compromise quality to save money • Sky’s Carpentry on Lake Winnipesaukee is located in beautiful Moultonborough NH and services the entire Lakes Region of New Hampshire • We Service Wolfeboro, down to Alton and all Surrounding Towns around the Big Lake • We offer complete Remodeling Services, building & Home Repairs • Well Established Local Reputation - Check out our website or Visit us on Facebook @ https://www.facebook.com/Skys-Carpentry-on-Lake-Winnipesaukee-llc-209013575961765 • References available upon request • Call (603) 254-4151 to Schedule a FREE Estimate or Appointment

"I wrote the C review. 3 years later, the windows leak every year and there is a leak in another room under the roofing that Sean "fixed." I have just learned that there are holes (where he put his scaffolding) above the leaking area. The windows were new and the only leaks are below the holes. I have spoken to other roofers who say it was a very poor job and should be redone."

Judith C on May 2019


Nh lakes region builders
4.20(
5
)
Approved Pro
Nh lakes region builders
4.20(
5
)
Approved Pro
366 local quotes requested
28 years of experience

Established in 1997, NH Builders & Maintenance is a family owned and operated, Third-Generation, Residential Building Company experienced in all phases of New Home Construction, Renovations, and Additions. NH Builders & Maintenance has extensive experience in setting Modular Homes. As a recognized Independent Builder of Preferred Building Systems and Westchester Modular Homes we are your General Contractor with the expertise to guide you through each step of the modular building process.

"No one did this why are you billing me for WORK NOT DONE YOUR RIPPING PEOPLE OFF I WANT MY MONEY BACK ON MY CARD OR ILL SEE YOUR A** IN COURT"

bobijo B on August 2023

Established in 1997, NH Builders & Maintenance is a family owned and operated, Third-Generation, Residential Building Company experienced in all phases of New Home Construction, Renovations, and Additions. NH Builders & Maintenance has extensive experience in setting Modular Homes. As a recognized Independent Builder of Preferred Building Systems and Westchester Modular Homes we are your General Contractor with the expertise to guide you through each step of the modular building process.

"No one did this why are you billing me for WORK NOT DONE YOUR RIPPING PEOPLE OFF I WANT MY MONEY BACK ON MY CARD OR ILL SEE YOUR A** IN COURT"

bobijo B on August 2023


Avatar for One Eleven Developers
One Eleven Developers
148 Hill Road
5.00(
8
)
Approved Pro
One Eleven Developers
148 Hill Road
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
307 local quotes requested

We specialize in envisioning, designing, and building high quality kitchens and baths. Our remodeling services are simple and flexible - we tailor to your stylistic needs whether they be antique, traditional or contemporary. We are dedicated to fulfilling our promise of customer satisfaction, guaranteed.

"I am so happy that I hired One Eleven Developers and couldn't be more pleased with the outcome of the project. These guys are very knowledgable and experienced. They took pride in their work and worked hard to bring my vision to fruition. They took pride in their work and my personal satisfaction with the job really mattered to them. They listened to my ideas and offered their own suggestions based on their years of experience. In addition to their skill they were a delight to work with, they were respectful, friendly, communicative, they worked hard to keep costs down and kept me informed! I've already recommended them to a friend and hired them for more projects! If you end up choosing One Eleven Dev. you won't regret it!"

Anne S on July 2024

We specialize in envisioning, designing, and building high quality kitchens and baths. Our remodeling services are simple and flexible - we tailor to your stylistic needs whether they be antique, traditional or contemporary. We are dedicated to fulfilling our promise of customer satisfaction, guaranteed.

"I am so happy that I hired One Eleven Developers and couldn't be more pleased with the outcome of the project. These guys are very knowledgable and experienced. They took pride in their work and worked hard to bring my vision to fruition. They took pride in their work and my personal satisfaction with the job really mattered to them. They listened to my ideas and offered their own suggestions based on their years of experience. In addition to their skill they were a delight to work with, they were respectful, friendly, communicative, they worked hard to keep costs down and kept me informed! I've already recommended them to a friend and hired them for more projects! If you end up choosing One Eleven Dev. you won't regret it!"

Anne S on July 2024


Avatar for Long Home Products
Long Home Products
30 Centre Rd
New on HomeAdvisorNew on Angi
Approved Pro
Long Home Products
30 Centre Rd
New on AngiNew on HomeAdvisor
Approved Pro
1995 local quotes requested
80 years of experience

With over 70 years of experience in home improvement, Long Home Products is the industry-leading company you can trust to give you peace of mind. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of roofing, bathroom, window and door projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

With over 70 years of experience in home improvement, Long Home Products is the industry-leading company you can trust to give you peace of mind. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of roofing, bathroom, window and door projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

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Addition to existing structure building services FAQs

How far you can push a room depends on the structure you choose. A cantilevered bump-out can extend 24 inches before building codes require its own footing or foundation. Anything longer needs engineered support and a permit. Check local codes or consult with a structural professional before finalizing plans to ensure your design remains safe and compliant.

Most bump-outs are completed within one to four weeks, even with minimal electrical, plumbing, or HVAC work. Their compact size means less demolition, simpler inspections, and fewer weather-related delays compared to a full-scale addition. Your contractor can provide a more precise timeline once they have determined the scope, materials, and permit schedule, but plan on having the extra square footage ready in approximately a month.

The homeowners guide to addition to existing structure building services
From average costs to expert advice, get all the answers you need to get your job done.
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