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Addition and remodeling pros in Derry

Chestnut Hill Renovations
282 Main Dunstable Road
5.00(
1
)
Approved Pro
Chestnut Hill Renovations
282 Main Dunstable Road
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 years of experience

Chestnut Hill Renovations is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Chestnut Hill Renovations is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"They are a very professional company who have the clients best interests at heart, instead of coming in and leaving."

Josh S on March 2019

Chestnut Hill Renovations is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Chestnut Hill Renovations is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"They are a very professional company who have the clients best interests at heart, instead of coming in and leaving."

Josh S on March 2019


Avatar for ACQ Home Improvement
ACQ Home Improvement
129 Edgewood Ave
4.94(
8
)
Approved Pro
ACQ Home Improvement
129 Edgewood Ave
4.94(
8
)
Approved Pro
Customers say: Quick response
25 years of experience
Free onsite estimate

With over 20 yrs of experience, ACQ Home Improvement is dedicated to providing our customers with the best quality at a great price. In addition, we are here to build relationships with our customers and communities and provide our employees with a great place to work. We look forward to working with you!

"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

Curt C on March 2023

With over 20 yrs of experience, ACQ Home Improvement is dedicated to providing our customers with the best quality at a great price. In addition, we are here to build relationships with our customers and communities and provide our employees with a great place to work. We look forward to working with you!

"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

Curt C on March 2023


Avatar for Apple Wood Construction
Apple Wood Construction
64 Noyes Rd.
5.00(
1
)
Approved Pro
Apple Wood Construction
64 Noyes Rd.
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 years of experience

Hard working team who makes sure everything is done completely and exactly how the customer wants. Versatile company who puts the customer first and prioritizes quality.

"It was a pleasure working with them. They are well organized and very professional."

Johanna E on June 2020

Hard working team who makes sure everything is done completely and exactly how the customer wants. Versatile company who puts the customer first and prioritizes quality.

"It was a pleasure working with them. They are well organized and very professional."

Johanna E on June 2020


New Hampshire Home Improvements, LLC
22 Danis Park Road
5.00(
2
)
Approved Pro
New Hampshire Home Improvements, LLC
22 Danis Park Road
5.00(
2
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

Brent 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.

"Brent did a great job! It was a long wait for the cabinet company to finally send us the cabinets. So, be prepared for that but Brent proved himself trustworthy and did a great job."

Christine W on August 2022

Brent 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.

"Brent did a great job! It was a long wait for the cabinet company to finally send us the cabinets. So, be prepared for that but Brent proved himself trustworthy and did a great job."

Christine W on August 2022


Emerald Lake Construction Inc.
5A Charity Court
5.00(
1
)
Approved Pro
Emerald Lake Construction Inc.
5A Charity Court
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Frank and his team were excellent to work with."

Nicole T on October 2024

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Frank and his team were excellent to work with."

Nicole T on October 2024


Avatar for Ricci's Painting
Ricci's Painting
7A 9th Street
4.89(
19
)
Approved Pro
Ricci's Painting
7A 9th Street
4.89(
19
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
12 local quotes requested

At Ricci's Painting & Contracting LLC, our priorities are customer service and quality work. We pride ourselves on building lasting relationships with our clients. Call us for an estimate. We look forward to working with you!

"Looks great!"

Karen C on June 2024

At Ricci's Painting & Contracting LLC, our priorities are customer service and quality work. We pride ourselves on building lasting relationships with our clients. Call us for an estimate. We look forward to working with you!

"Looks great!"

Karen C on June 2024


Avatar for Long Home
Long Home
960 Turnpike Street, Suite C
4.68(
167
)
Approved Pro
Long Home
960 Turnpike Street, Suite C
4.68(
167
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
178 local quotes requested

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 projects and specialize in asphalt shingle installations and replacements. 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!

"Long Home did an awesome job installing my new shower, vanity, and bathroom floor. It looks beautiful!"

Peter M on April 2025

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 projects and specialize in asphalt shingle installations and replacements. 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!

"Long Home did an awesome job installing my new shower, vanity, and bathroom floor. It looks beautiful!"

Peter M on April 2025


Avatar for Lux Renovations, LLC
Lux Renovations, LLC
60 Shawmut Road
4.82(
322
)
Approved Pro
Lux Renovations, LLC
60 Shawmut Road
4.82(
322
)
Approved Pro
Super Service Award
Customers say: True professional
112 local quotes requested
35 years of experience

Lux Renovations, LLC has been serving New England homeowners since 2002. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 16 years in a row. Something like that doesn't happen by accident. We are committed to insuring that all of our customers describe their experience with us as "the best contractor experience I ever had". If you are considering a basement finishing project please allow us to show you how Owens Corning has changed the industry with this unique system. A free consultation and design is always available.

"We were very impressed by Lux Renovations from the very beginning. The design and quoting process for our basement gym project was well conducted and professional, easy to follow, and thorough. Unlike other contractors we had an estimate the project, a detailed drawing, selected all materials and colors, and had a detailed cost and timeline while the Lux representative was at our house. The Project Management and build team was excellent to work with. Their work was top notch, clean, and completed on time and budget. We couldn't be happier with our basement home gym."

Raymond A on June 2025

Lux Renovations, LLC has been serving New England homeowners since 2002. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 16 years in a row. Something like that doesn't happen by accident. We are committed to insuring that all of our customers describe their experience with us as "the best contractor experience I ever had". If you are considering a basement finishing project please allow us to show you how Owens Corning has changed the industry with this unique system. A free consultation and design is always available.

"We were very impressed by Lux Renovations from the very beginning. The design and quoting process for our basement gym project was well conducted and professional, easy to follow, and thorough. Unlike other contractors we had an estimate the project, a detailed drawing, selected all materials and colors, and had a detailed cost and timeline while the Lux representative was at our house. The Project Management and build team was excellent to work with. Their work was top notch, clean, and completed on time and budget. We couldn't be happier with our basement home gym."

Raymond A on June 2025


Avatar for Morgan Exteriors, LLC
Morgan Exteriors, LLC
78 Londonderry Turnpike, Unit E-1
4.91(
121
)
Approved Pro
Morgan Exteriors, LLC
78 Londonderry Turnpike, Unit E-1
4.91(
121
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
29 local quotes requested

Morgan Exteriors is a Window and Custom Design & build Sunroom company serving NH & MA. We are a distributor and installer of Okna Windows one of the most energy efficient windows in the country. Our installations are performed by our factory trained employee crews. We are meticulous when we measure, install, and clean up. All of our Sunrooms are built from the ground up utilizing mother natures best building product -Wood. We never use out of the box, pre-fabricated aluminum systems. Our designer meets with you to help bring YOUR ideas to life. We are the distributor and installer of the Sunspace Vertical Window Systems. The WeatherMaster® products are an economical way to expand the functionality of your existing screen room or we use them as the window system for a 3 season Sunroom. Our 4-Season Sunroom additions pass all DOE REScheck energy compliance, and can be incorporated with your home as conditioned living space.

"Morgan Exteriors went above and beyond!! Their professionalism and expertise from the first initial call to Josh, on site estimate by Lou to the final measurements and all questions and concerns answered by the install Manager PJ. We had questionable weather and the two installers were running a little late. They arrived at 11:30 AM and had all seventeen windows installed by 4:45 PM! These two gentlemen were are very experienced and have many years under their belts and they are employed by Morgan Exteriors and have been for many years, it showed. That consistency, workmanship and professionalism completely convinced me of Morgan Exteriors warranty not just on the windows but the workmanship of the install. This took the fear of some of these other window installer businesses away completely. What I didn?t want is a company who installed a certain brand of window and that company hired inexperienced contractors not to be heard from again. The final project came out spectacular!!!!"

Michael P on December 2024

Morgan Exteriors is a Window and Custom Design & build Sunroom company serving NH & MA. We are a distributor and installer of Okna Windows one of the most energy efficient windows in the country. Our installations are performed by our factory trained employee crews. We are meticulous when we measure, install, and clean up. All of our Sunrooms are built from the ground up utilizing mother natures best building product -Wood. We never use out of the box, pre-fabricated aluminum systems. Our designer meets with you to help bring YOUR ideas to life. We are the distributor and installer of the Sunspace Vertical Window Systems. The WeatherMaster® products are an economical way to expand the functionality of your existing screen room or we use them as the window system for a 3 season Sunroom. Our 4-Season Sunroom additions pass all DOE REScheck energy compliance, and can be incorporated with your home as conditioned living space.

"Morgan Exteriors went above and beyond!! Their professionalism and expertise from the first initial call to Josh, on site estimate by Lou to the final measurements and all questions and concerns answered by the install Manager PJ. We had questionable weather and the two installers were running a little late. They arrived at 11:30 AM and had all seventeen windows installed by 4:45 PM! These two gentlemen were are very experienced and have many years under their belts and they are employed by Morgan Exteriors and have been for many years, it showed. That consistency, workmanship and professionalism completely convinced me of Morgan Exteriors warranty not just on the windows but the workmanship of the install. This took the fear of some of these other window installer businesses away completely. What I didn?t want is a company who installed a certain brand of window and that company hired inexperienced contractors not to be heard from again. The final project came out spectacular!!!!"

Michael P on December 2024


Avatar for KATS Construction & Remodel, LLC
KATS Construction & Remodel, LLC
23 Technology Way
4.90(
25
)
Approved Pro
KATS Construction & Remodel, LLC
23 Technology Way
4.90(
25
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
60 local quotes requested

KATS Construction & Remodel, LLC has been remodeling homes all around New Hampshire for years! From kitchens to baths, our experts know exactly how to create the look you are going for. Whether it needs a new paint job or a full demolition, our crew can do it all! Give us a call today for your free quote!

"Tom and his team rebuilt our whole kitchen they were very timely and were very professional did everything I asked for I would recommend them to do any construction job"

thomas s on September 2022

KATS Construction & Remodel, LLC has been remodeling homes all around New Hampshire for years! From kitchens to baths, our experts know exactly how to create the look you are going for. Whether it needs a new paint job or a full demolition, our crew can do it all! Give us a call today for your free quote!

"Tom and his team rebuilt our whole kitchen they were very timely and were very professional did everything I asked for I would recommend them to do any construction job"

thomas s on September 2022

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FAQs for addition and remodeling projects in Derry, NH

The typical timeline for completing a garage-to-ADU conversion spans approximately three to six months, encompassing planning, permitting, construction, and final inspections. Projects requiring substantial structural modifications or encountering material delivery delays may extend beyond this timeframe. Working with an experienced general contractor who efficiently coordinates various trades and maintains consistent progress can significantly improve project efficiency and reduce unnecessary delays.

Converting a garage into an ADU typically requires obtaining building permits and potentially specialized electrical, plumbing, and mechanical approvals. Requirements vary significantly between jurisdictions, making consultation with local planning departments essential. Most municipalities mandate specific features, including dedicated entrances, proper emergency egress windows, and verification that the structure meets current residential safety standards. Proceeding without proper authorization risks potential penalties and complications during future property transactions.

California has implemented some of the nation's most supportive ADU regulations to address housing availability challenges. Recent legislation has streamlined approval processes, and local jurisdictions generally must approve projects meeting state guidelines. Nevertheless, individual municipalities may impose additional specific requirements regarding design, parking, or utility connections. Consulting with your local planning department remains essential for understanding the particular regulations applicable to your property.

Converting a garage to an ADU typically increases your property's assessed value, resulting in higher property tax obligations. The specific tax implications depend on your local assessment methods and how substantially the improvements enhance your property's value. While this represents an additional ongoing expense, many property owners find that potential rental income or increased property marketability offsets these higher tax obligations over time.

To qualify as a legal ADU, your converted garage must typically include a separate entrance, functional kitchen facilities, a complete bathroom, adequate natural light, proper ventilation systems, and full compliance with local building codes. Emergency egress provisions and appropriate climate control systems are also generally required. Many jurisdictions establish minimum and maximum size parameters, making consultation with your local building department essential for ensuring your conversion meets all legal requirements.

For many property owners, the potential rental income from a converted garage ADU makes the investment financially worthwhile. Monthly rental payments can help offset mortgage obligations or fund additional property improvements. The actual profitability depends on various factors, including local rental demand, the quality and size of your converted space, and your ability to maintain consistent occupancy. With careful planning and quality execution, many homeowners recover a substantial portion of their investment through ongoing rental revenue.

The Derry, NH homeowners’ guide to addition and remodeling services
From average costs to expert advice, get all the answers you need to get your job done.
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