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Top-Rated Addition to existing structure builders in Manchester - Updated Nov 2026

Avatar for iCornerstone, Inc.
iCornerstone, Inc.
4.9(
58
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 1988

Customers say: True professional

"My wife and I were looking to have an addition built on our 2 bedroom / 1 bath home back in the winter of 2022. After a phone conversation with Richard, we decided to have him come out to the house. He was very clear with the iCornerstone process, and the benefits of using this process. He is meticulous in measuring and understanding the existing structure. There are no guesstimates and all cost projections are based on the actual materials and labor needed to complete the work. Having such clarity regarding costs before any work begins is not something I've seen in this industry prior to this experience. It was certainly a welcome change. We now have plans for a home addition and complete control over the project. We decide the scope and can customize the plan to our budget. We are grateful to have worked with Richard, and highly recommend him!"
Entertainment center
Entertainment center
Architectural details
computer room left
computer room right

+11

Response time8 hrs
Response rate100%
Recommended by91%of homeowners
Avatar for Tejada's Remodeling Inc
Tejada's Remodeling Inc
4.7(
32
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Highly recommended. Jose and Cesar were great. They were reliable and their work was excellent. They completely remodeled our condo including 4 bathrooms, floors, fireplace/hearth, etc. It was a big job and they worked with us to make sure everything came out exactly the way we wanted. The cost was very reasonable."
Additional Photos
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Additional Photos

+6

Response time2 days
Response rate100%
8 neighbors recently requested a quote
Avatar for Sublime Construction Corp
Sublime Construction Corp
4.9(
12
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"This is a super professional company. The owner was very much involved with everything, honest, and went above and beyond to make sure that i was happy with the results. He even offered to come by additional times to follow-up on the quality of the work."
project photos
Turnkey Concrete package
Turnkey Concrete package
Turnkey Concrete package
Turnkey Concrete package

+7

3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Quality Construction
Quality Construction
4.6(
13
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Phil coordinated and supervised the entire roof repair and shingling of our 200 year old house. He then stripped the clapboards to bare wood, replaced broken clapboards as well as soft wood behind some of them, before applying 3 coats of paint to the entire house. Phil told us up front that he took his time to do it right and would not be applying paint within three days of it raining., to ensure there would be no moisture under the paint. The work was done meticulously, with care taken to avoid any spillage or leftover material. I wish I could provide some photos to show his work!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+35

Response time2 days
2 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Sail Away Properties LLC
Sail Away Properties LLC
4.3(
12
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Excellent! Professional. I would highly recommend Level Builders. The deck was demolished in a day and completed the next day! I was given a range of material options for the build."
2nd Floor Addition Gloucester MA
Front Deck Entrance way
Salem House Flip
Front Deck Entrance way
Salem House Flip

+49

Response time1 day
Response rate100%
2 neighbors recently requested a quote
J. R. Testaverde
5.0(
4
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quality work

"This is the second project that John has done for us. He’s relocating our laundry room from downstairs in the basement to upstairs. He also installed a walk in shower in the bathroom. He is one of the nicest guys and very meticulous! If we have any more reconstructions we would call him in a heartbeat!"
2 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Ferragamo Custom Builders LLC
Ferragamo Custom Builders LLC
4.8(
6
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

Ferragamo Custom Builders LLC has 30+ years of experience and 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. \n

25 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for d. a. kinsella company
d. a. kinsella company
3.7(
52
)
Addition to Existing Structure - Build

Serving Manchester, MA and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"We had the pleasure of working with D. A. Kinsella Company to develop concept designs for a new home addition. Their architectural team was quick, professional, and came up with many detailed ideas to help ensure that we were happy with the design. David successfully coordinated with the city to determine project requirements early in the design phase, which was very helpful and saved us valuable time and effort. We highly recommend David to any homeowner considering a home redesign or new addition...!"
Waban House
Waban House
Waban House
Waban House
Waban House

+43

Response time3 days
6 neighbors recently requested a quote
Recommended by79%of homeowners
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FAQs for addition to existing structure building service projects in Manchester, MA

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The Manchester, MA 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.