Our
Design-BUILD PROCESS

As NYC’s premier design-build firm, our full-service process is the key ingredient in our recipe for a successful NYC renovation. We’ve developed a comprehensive and proven method designed to make New York City home renovations seamless and comfortable as possible. From architecture services and interior design to board approvals and build, we handle the project every step of the way.

Our Design-Build Process by Gallery KBNY

DESIGN-BUILD CONTRACTORS TRUSTED ACROSS NEW YORK CITY

About Gallery KBNY

Gallery KBNY is an award-winning, full-service design-build firm specializing in the architecture, interior design, and renovation of apartments, co-ops, condominiums, townhomes, and lofts across Manhattan and Brooklyn. Our integrated team of architects, designers, contractors, and project managers manages every phase from board approvals and DOB permitting through design and construction. A founding partner is involved in every project, start to finish. Because architecture, design, permitting, and construction are coordinated under one roof, the process remains streamlined, accountable, and transparent from start to finish. Our work has been recognized by Forbes, The New York Times, Architectural Digest, and Inc., and we have received Houzz Best of Design & Service seven consecutive years, along with 100+ five-star client reviews.

10 to 16 Months
Consultation to move-in
$450 to $650/sq ft
Upper mid-tier to luxury
100+ Five-Star Reviews
Across Manhattan & Northern Brooklyn
Featured In
The New York Times & Architectural Digest

Gallery KBNY has earned Houzz Best of Design honors seven years running, and we hold every project to that same standard. Our clients consistently leave 5-star reviews. From Brooklyn to Manhattan, we apply our expertise to everything from co-ops and condos to historic brownstones and lofts.

Before You Buy: The Pre-Purchase Renovation Assessment

Some readers arrive at this page while still deciding whether to buy, well ahead of a signed contract. For a Manhattan or Northern Brooklyn co-op, condo, townhome, or loft that needs real renovation work, Gallery KBNY offers a Pre-Purchase Renovation Assessment: a principal-led walkthrough of the space and its alteration agreement, timed for the contract diligence period.

Infrastructure and concealed conditions get checked on site, including electrical capacity, asbestos, and plumbing, then translated into a realistic cost range and timeline. A written assessment follows within 24 hours, along with a working consultation to walk through what it means for the purchase decision. There is no charge for this step, and it exists so the six phases below start from an accurate picture rather than a guess.

Planning & Scope of Work Assessment

Phase 1 -  Introductory Phone Call

Every renovation begins with an introductory phone call, a high-level conversation covering:

  • The Desired Scope of the Project 
  • Our Client’s Key Needs and Objectives
  • Building Rules and Requirements Contained in the Alteration agreement 
  • Feasibility of the Renovation with Respect to Property Type, Building Rules, and Rough Timelines and Costs
White Manhattan kitchen with brass pendant lighting, marble bistro table, and stainless appliances by Gallery KBNY
Home office and sitting area with floor-to-ceiling windows overlooking the Manhattan skyline by Gallery KBNY

Phase 2 - Site Meeting

A Gallery KBNY team member walks the property in person to assess site conditions, checking electrical capacity, asbestos risk, load-bearing walls, and any other factor that could shape the plan. Any unforeseen condition, an outdated electrical system or a hidden column, gets addressed here, well before it can affect the design. You leave this meeting with a revised range of costs and a timeline based on what the space actually allows.

Phase 3 - Concept Design and Project Budget

Beyond the site assessment, this phase considers any additional task needed to mitigate surprises later on.

A more detailed discussion of scope and design concept follows the walk-through, covering space planning and design aesthetic, alongside a risk management assessment confirming that every design, material, and job site compliance is met before construction begins.

Once the big-picture design concept is established, we present you with:

  • Proposed 2D Floor Plans
  • Detailed Project Budget Containing All timelines, Costs, and Allowances Needed to Complete the Project in Entirety. 
Matte black shower valve and handheld fixtures against linear tile in a primary bathroom by Gallery KBNY
White kitchen with black island, built-in wine refrigerator, and French doors to a private balcony by Gallery KBNY

At the conclusion of this planning phase, you decide whether to formally retain us. A formal contract follows at this stage, detailing every aspect of the renovation, including:

  • Full Project Scope
  • Material Allowances
  • Timelines
  • Design, Architectural, Project Management, and Construction Services
White kitchen with marble countertops, floating wood shelving, and a red-knob range by Gallery KBNY

Pre-Construction & Formal Design Phase

There is no secret formula or magic bullet behind our success. The reason we deliver beautiful projects on time and budget is because we’re diligent in every aspect of our process.

Too many renovations go awry because of some unexpected condition discovered during the demolition phase. In reality, this is almost always a story about poor planning, or complete lack thereof. In every one of our NYC renovations, we aim for the most thorough pre-construction planning possible to anticipate and avoid any potential costly obstacles.

Loft kitchen with walnut cabinetry, black waterfall island, and gallery-style wall art by Gallery KBNY

Phase 1 - Inspections, Diagnostic Testing, and Risk Management. 

The pre-construction phase is where these conditions get formally tested, including anything flagged during the initial walk-through. These tests often require probing walls and cutting into existing floors, so they take place only once you are the formal owner of the property and have retained us. Three tests typically make up this phase:

  • Electrical Load Test: Determines whether the existing electrical amperage is sufficient for the proposed load or whether an upgrade of existing amperage (or reduction of electrical demand) is required
  • Asbestos Test: Determines whether proposed areas of demolition contain asbestos that either needs to be remediated or planned around
  • Wall Probes: Determines whether unforeseen obstructions exist inside walls that are proposed to be moved or removed
Open kitchen and dining area with corner windows framing Manhattan skyline views by Gallery KBNY

Phase 2 - Formal Design and Material Procurement

Material selection is the most hands-on part of any renovation: paint color, accent walls, flooring, mouldings, fixtures, countertops, and more. As a full-service design-build firm in NYC, we take on the design, sourcing, and procurement of every permanent fixture in your home.

That same expertise covers every architectural or interior design adjustment that comes up mid-renovation, whether that means shifting a kitchen traffic pattern, adding an archway to a bathroom, or turning an unused closet into a washer and dryer room. We handle all architectural planning and filings on your behalf through our award-winning in-house design team and architects.

Once every site condition is identified, this phase finalizes the floor plan and presents material selection options. It typically includes:

  • Design meetings at our design studio and outside showrooms
  • Review of 2D and 3D lifelike renderings, plus review and approval of all material options and design plans
  • Procurement of all selected finishes and fixtures
  • Receiving and inspection of all ordered finishes and fixtures
White kitchen island with molecular-style pendant chandelier and barstool seating by Gallery KBNY

Phase 3 - Lifelike Renderings

Once every material is chosen, our designers create 2D and 3D renderings for you to review and approve, and the finished project is built to match what you saw on screen. The kitchen render above is from our Manhattan condo renovation at The Chelsea Mercantile on 252 Seventh Ave. The following image is the completed kitchen.

Kitchen with grey waterfall island, walnut cabinetry, and a modern pendant chandelier by Gallery KBNY

Phase 4 - Building Submission

This phase runs alongside the design phase. We begin the building alteration submission early in planning, and complete it, to the building management company and the NYC Department Of Buildings, once architectural plans are finalized.

We coordinate directly with the building management company and any building-hired reviewing architect to satisfy every requirement for formal approval. Private homes skip this step entirely.

Once building management approves the plans, we submit them to the NYC Department Of Buildings for approval and permitting.

Living room with built-in white bookshelves, wall-mounted television, and a window bench seat by Gallery KBNY

Phase 5 - DOB Submission, Approval, And Permits

Co-op boards, management companies, and city agencies each move at their own pace. Gallery KBNY takes on the production and filing of every architectural plan, along with every building, plumbing, and electrical permit from the New York City Department Of Buildings. Landmarked properties also receive Landmarks Preservation Commission review during this phase.

Galley kitchen with white cabinetry, brass fixtures, and a red-knob range by Gallery KBNY

Phase 6 - Production Calendar & Logistics

With every specific accounted for, our project management team builds a detailed production calendar, sequencing every stage of the renovation from client meetings and inspections through delivery, demolition, and installation. A defined timeline is what lets our project managers coordinate every party and meet each milestone.

Production & Completion Of Renovation

Construction follows the roadmap built over months of design, planning, and pre-construction. This final phase always follows the same sequence:

  • Demolition 
  • Initial Inspections
  • Framing & Rough Carpentry
  • Electrical & Plumbing
  • Delivery of Finishes and Fixtures
  • Finish Carpentry & Installation of Finish Fixtures
  • Final Inspections & Walk-Throughs
  • Close Out of Permits and Sign-Offs 
PROJECT TIMELINE

Two Timing Windows, Start To Finish

Every phase above falls into one of two timing windows. Planning and pre-construction run first and in full before any construction begins, which keeps the schedule below predictable rather than approximate.

01
4 TO 5 MONTHS

Planning & Pre-Construction

Planning & Scope Of Work Assessment
Pre-Construction & Formal Design Phase

9 coordinated steps, from your introductory phone call through DOB permit approval and a finalized production calendar.

02
18 TO 24 WEEKS

Production & Completion

Production & Completion Of Renovation

8 sequential milestones on site, from demolition through final inspections and permit sign-off.

Do planning and construction ever overlap?
No. Design, material procurement, and permitting are completed in full before construction begins, which is why the two windows are sequential rather than concurrent.
What causes the planning window to vary?
Building and board approval timelines, plus LPC review for landmarked properties, are the main variables inside the 4 to 5 month range.
Combined, most Gallery KBNY renovations run 10 to 16 months from initial consultation to move-in.

Why Process Matters

Many elements of a New York renovation are easy to take for granted. Co-op and condo board approvals and permits, architectural services, interior design, material selection & procurement, and the timely delivery of finishes are only part of what any renovation covers, and our design-build process accounts for every one of them. Whether the project is an Upper East Side loft, a Bed-Stuy townhome, a Midtown condo, or a pre-war apartment in SoHo, handling these moving parts with skill and discipline is what keeps a renovation on time and on budget. Proper planning is what lets a defined process consistently deliver on both.

Open kitchen and dining area with capiz shell pendant lighting and city views by Gallery KBNY

Benefits Of Working With Gallery For Your NYC Apartment Renovation

Design-build gives clients exactly what they want on any residential property in New York City, without the friction that comes from more fragmented renovation approaches.

One Team, Start To Finish

A traditional design-bid-build general contractor is often the first route homeowners consider, but it usually requires you to source and manage your own design support, then separately navigate permit and approval work most owners have never done before. Gallery KBNY's architects, designers, and construction team work under one roof instead, so your renovation moves forward as a single coordinated effort. Read more in Design-Build Vs General Contractor: What’s The Difference?

Formal dining room with a brass chandelier, pedestal table, and grey upholstered chairs by Gallery KBNY
Bathroom vanity nook with walnut floating shelves and a black and white marble checkerboard floor by Gallery KBNY

Design Guidance Without An Independent Architect's Overhead

An independent architect relationship can run the opposite way: managing multiple parties across architect and contractor, with many clients reporting little input once the relationship is underway. Construction pricing is often unclear until designs are complete, a process that can extend past six months. Working with one integrated team keeps design guidance connected to real construction costs from the earliest concept sketch. For more on this, read What Kind Of Architect Is Best For Your NYC Apartment Renovation?

A Dedicated Designer And Office Liaison

Every Gallery KBNY client is paired with a dedicated designer for creative direction and an office liaison for the daily details: selections, procurement, board approvals, and any other non-build task that comes up along the way.

Living room with navy blue sofas, gallery wall art, and built-in wine storage by Gallery KBNY
Dining nook with a capiz shell pendant light and steps down to an open kitchen by Gallery KBNY

A Single Line Of Communication

Design-build consolidates what would otherwise be several separate relationships into one, which keeps busy clients focused on decisions rather than coordination.

As Much Or As Little Design Input As You Want

Some clients arrive with a fully formed mood board. Others prefer to lean entirely on their dedicated interior designer. Gallery KBNY's process accommodates either approach, and everything in between.

Butler's pantry with subway tile, Delft-style accent tiles, and vintage poster art by Gallery KBNY
Powder room with bold red zebra print wallpaper and a black herringbone tile floor by Gallery KBNY

A Shorter Path To Completion

Fewer intermediaries stand between you and the work in a design-build renovation. With design, procurement, and construction under one roof, every party works toward the same completion date from day one, which shortens the overall timeline compared with coordinating separate firms in sequence.

Fewer Change Orders, Managed Proactively

Design-build encourages problem solving well before a wall comes down, which is what keeps change orders rare rather than routine partway through construction.

Powder room with elongated hexagon tile, a walnut vanity, and brass fixtures by Gallery KBNY
Primary bathroom with emerald green subway tile shower and brass fixtures by Gallery KBNY

Your Full Budget, Known Upfront

You receive all-inclusive pricing for the full renovation before construction begins, rather than the staggered pricing that comes with hiring designers and contractors separately.

INVESTMENT RANGES

What Drives Your Cost Per Square Foot

All-inclusive pricing is set before construction begins, and scope is what moves the number. The ranges below show where a project typically lands once its specific conditions are factored in.

Upper Mid-Tier Renovation
Full scope, standard finishes, no structural changes
$450 – $550
Luxury Renovation
Custom millwork, full mechanical replacement, high-end finishes
$550 – $650+
Layout Change, Minimum
Any project moving walls or reconfiguring rooms
$550+
Pre-War Building Premium
Older infrastructure and plaster construction add to the baseline
$600+
Brownstone Or Townhouse
Multi-floor systems, typically a full structural scope
$700+
Landmarked Property
LPC-reviewed materials and facade work raise the ceiling
$800+
Why does cost per square foot vary so widely?
Each condition above compounds. A pre-war apartment with a new layout carries both premiums, and a landmarked brownstone with a full gut can sit well above any single figure shown here. Your detailed project budget, delivered during the Concept Design phase, reflects your specific combination.
Figures per square foot, based on Gallery KBNY's 2026 pricing framework.
CHOOSING YOUR RENOVATION PATH

How The Three Paths Compare

The benefits above hold up best side by side with the alternatives. Here is how design-build lines up against hiring a general contractor and an architect separately.

Design-Build
Separate General Contractor
Independent Architect
Point Of Contact
Design-BuildOne dedicated designer and office liaison for the full project
Separate General ContractorA contractor, plus whoever you source separately for design
Independent ArchitectAn architect first, then a contractor found on your own
Pricing Structure
Design-BuildAll-inclusive pricing set before construction starts
Separate General ContractorStaggered pricing across separate design and construction contracts
Independent ArchitectDesign fees upfront, construction priced later and separately
Change Order Exposure
Design-BuildLower, with design and construction teams coordinating from day one
Separate General ContractorHigher, when site conditions surface mid-build
Independent ArchitectHigher, and the architect's role often ends before construction begins
Design Timeline
Design-BuildDesign runs alongside permitting and material procurement
Separate General ContractorDesign is typically finished before a contractor is engaged
Independent ArchitectCan extend past six months before construction is even priced
Day-To-Day Management
Design-BuildHandled by your office liaison, from selections to board approvals
Separate General ContractorManaged by you, across each separate vendor relationship
Independent ArchitectManaged by you, once the architect's scope concludes
Why does design-build reduce change orders?
Architects, designers, and the construction team review the same set of drawings and site conditions from the introductory phone call onward, so conflicts surface during planning rather than after demolition.

Frequently Asked Questions

How does Gallery KBNY structure the board approval package, including the insurance and financial documentation most boards request?

Board packages are prepared alongside the formal design set, not after it. Gallery KBNY assembles the alteration agreement response, contractor insurance certificates, and financial documentation most boards request in the same package as the architectural drawings, so the submission moves through committee and full board review without a second round of requests.

What changes for a landmarked building or one under Landmarks Preservation Commission review?

Landmarked properties add an LPC review to the DOB submission phase, which affects exterior work, window replacement, and any visible material change. Gallery KBNY builds LPC-compliant material selections into the formal design phase, rather than discovering a conflict after submission.

What happens if diagnostic testing turns up a structural or mechanical issue after the contract is signed?

The wall probes, electrical load test, and asbestos test exist to surface exactly this kind of finding before pricing is finalized. When a probe reveals an unforeseen obstruction, the concept design and budget are revised before construction pricing is locked, which is why change orders during construction stay uncommon.

How are acoustic and vibration considerations handled in a shared-wall co-op building?

Mechanical and acoustic planning are part of the formal design phase for any project involving new HVAC lines, radiant heat, or relocated plumbing near a shared wall. Material and system selections account for sound transmission standards common in pre-war and post-war co-op buildings alike, ahead of board submission rather than after a neighbor's complaint.

Does Gallery KBNY coordinate with the managing agent and review any open Department Of Buildings violations before filing?

Building submission includes direct coordination with the managing agent and, where relevant, the building's assigned reviewing architect. Any open DOB violation on the property is identified during this phase, since an unresolved violation can delay a new permit regardless of how complete the new filing is.

How much day-to-day involvement should an owner expect, particularly one managing a project remotely or through a family office?

Your dedicated designer and office liaison handle selections, procurements, and board correspondence directly, which keeps day-to-day involvement to key decisions rather than ongoing coordination. Clients who travel frequently or manage a project through a family office typically engage at each major milestone: concept approval, board submission, and the final walk-through.

Manhattan Design-Build

Pre-Purchase Renovation Assessment

Evaluate Your Manhattan Apartment
Before You Buy

Gallery KBNY is an award-winning, full-service design-build firm specializing in the architecture, design, and renovation of apartments, co-ops, condos, townhomes, and lofts across Manhattan and Brooklyn. Our in-house team — with a founding partner involved in every project — manages every phase from board approvals through construction. No outsourcing, no handoffs, no gaps in accountability.

As seen in

| | | |
★★★★★ 100+ Five-Star Reviews Best of Design & Service · 7 Years Running

Pre-Purchase Assessment

We conduct pre-purchase renovation assessments for buyers during the contract period. Walk the apartment with us before you commit — understand the full scope, cost, and timeline before closing.

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