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House Extension Professionals in New York, NY

Expand your living space with a well-designed extension, custom built to meet your needs and preferences

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New York / 50 mi
Architects & Architectural Designers
House Extensions
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2,190 Professionals

Featured Reviews for House Extension Professionals in New York, NY

Essential Design & Build
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars25 June 2021
“I thought that finding an honest contractor who follows through with what they promise would be impossible but decided to take the chance with Essential and finally do my first renovation. I was very nervous at first but the contractor Peter was extremely patient and was with me every step of the way. His team which included a talented designer put together a picture perfect kitchen, powder bathroom and master bedroom bathroom. I was blown away by the attention to detail and if you’re looking for a wonderful experience limiting your stress level for such a major project then Peter and his team are a great fit.”
Courtney Lowry Architect
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars12 July 2018
“Courtney was very courteous, knowledgeable, and patient. She continues to answer all of my questions and has walked me through the design and build process step by step.”
Diversified Design Associates Architects, P.C.
House Extension Professionals in New York, NY
Average rating: 4 out of 5 stars29 January 2014
“I consider Diversified a design team, as well as a top sub-contractor, who not only identify the right construction solutions but understand a project from an architectural, engineering, and interior design perspective. I have employed Diversified to provide me with all three services, architectural plans, engineering work (including obtaining obtaining permits) and subcontracting work. Diversified does a good job in holding the subcontractors accountable that work is done well and on time. They ensure subs work in concert with one another so there are relatively few lapses in work as compared to other firms. I have not been stuck with a punch list that takes months to address. They address issues and problems right away. My level of satisfaction is so high, I have hired Diversified to work on two different houses. The first time I have ever hired a contractor more than once. The work on my first home was so well done and had such a positive impact on our curb appeal, the house was sold in 3 days! I employed them the second time when I needed a firm who could move quickly in making my fixer upper move in ready (they even helped me out in the aftermath or Super storm Sandy). While the work may be a tad more expensive, it was worth the extra investment to make sure the end product was well done. I absolutely recommend Diversified.”
kimberly peck architect
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars17 February 2015
“I live in Manhattan and have a country house in the Catskills upstate. The house is a contemporary design built in the mid 1970's. The "bones" were great but the aesthetic was completely wrong. We had Kimberly redesign the interior of the entire house - from moving electrical work, plumbing, windows and walls to choosing finishes and fixtures. She is amazing and I have referred her to many friends and clients. Next.... the apartment.”
LEAP Architecture
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars28 July 2015
“LEAP designed our modern and green home addition. They handled much of the creative work on the project, as well as detailed renderings, bid consultations, and construction supervision. LEAP's work was very creative and responded directly to our needs. They found ways to get energy efficiency and modern design details into a "buildable" and cost-conscious project. They are humble, hardworking, and consistent. I would choose to work with LEAP Architecture again without hesitation.”
Taeik Kim Architect PA
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars12 April 2017
“I have worked with Taeik for nearly 7 years now on projects ranging from $50,000 to $5,000,000. He and his organization are prompt, courteous and effective. Their plans work and they have the ability to develop on the fly in the field as well as in the studio. We have undertaken projects both Residential and commercial and they have never let us done. Its refreshing to know that there still are professionals who are dedicated to their work and care”
Nash Waters Architecture
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars6 March 2021
“Nash was very professional , passionate , and informative throughout the design process. It has been a pleasure working with Nash on the design of our custom dream home.”
Atelier036 - Architecture,Interior Design,Lighting
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars1 January 2013
“Niv is a patient, insightful and incredibly talented designer. He listens to what his clients needs are, and provides appropriate solutions that fit within their budget. Niv works equally well with contractors and other members of the design team. He is relentless in his pursuit of the precise and proper execution of his vision in the best way possible for his client's benefit. I have happily recommended Niv to my clients in the past and will gladly do so in the future.”
CBH Architects
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars19 December 2013
“I have on several occasions hired architects-designers, but Bob stands out head and shoulders above everyone. Bob listens carefully to your needs, and brings extensive expertise and creativity to his work. Bob created a new walk-in closet for us, and we ended up with a result that exceeded my vision for it — and well within budget.”
ViD ARCHITECTURE + URBANISM
House Extension Professionals in New York, NY
Average rating: 5 out of 5 stars12 March 2024
“We highly recommend Viktoria as a thoughtful, responsible architect. Her sense of design is well balanced with attention to details and the clients needs.”
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Architect or Architectural Designer FAQs
A house extension is a construction process that involves expanding the footprint of your existing home. This could be extending outwards, either to the side or rear of the house, or upwards by adding another storey. House extensions provide extra living space and can significantly increase the value of your property.

House extensions can be categorised based on direction, structure and function. The main types include rear extensions, side return extensions, wrap-around extensions, and double or single-storey extensions. More specific ones could be kitchen extensions, loft conversions, basement conversions, garage conversions or conservatories. Select the type that best suits your property and meets your space needs, if you are unsure, speaking with a local home extension builder in New York.

Generally, house extensions are worth the investment. They provide additional living space and can dramatically increase the resale value of your home, often covering the initial investment cost. However, plan carefully and choose a reputable house extension builder to ensure a high-quality build that will add value to your property.

The cost of a house extension can vary significantly based on several factors, such as the size, complexity of the design, quality of materials used, and geographical location. However, as a rough estimate, a single-storey extension can range from £1,000 to £2,000 per square metre, whereas a two-storey extension can start at around £1,500 per square metre.

Planning a house extension involves several stages, including idea generation, design, planning permission, and construction. Consult with a house extension architect to create a design based on your needs and budget. Ensure to check with your local council about planning permissions. Finally, choose a reputable house extension builder to bring your vision to life.
Why Hire Builders on Houzz?
2,190Local Pros on Houzz Who Serve New York, NY
3,500+Total Number of Reviews Left by Homeowners
Are you considering a house extension? On Houzz, you can find an extensive selection of New York house extension professionals near you, eager to turn your vision into a reality. Whether you're planning an extra bedroom, expanding your kitchen or designing a brand-new workspace, these professionals have the skills and expertise to make your project successful. House extension professionals include architects who can draw up detailed plans and builders who will execute them to the finest standards.

Choosing a house extension professional on Houzz ensures peace of mind, knowing that you’re in safe hands. They come highly recommended with a strong track record of creating bespoke, high-quality extensions in New York in a wide range of styles and budgets. Whether planning a new kitchen extension, adding a new storey, or just wanting more living space, find your house extension solution with us.

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