Planning guide
Whole-home renovation: what to do first
Big projects go wrong when finishes go in before the work they depend on. Here's the order, and how to phase it.
Short answer
Work from the outside in and the bones out: fix structure and anything letting water in first, then upgrade plumbing, electrical and heating while walls are open, then build out the layout, and finish with cabinets, floors and paint. Doing it in that order keeps finished surfaces from being torn out again.
- Who it is for
- Owners of single-family and two-family houses planning work across several rooms or floors
- What it covers
- The dependency order between structure, building envelope, systems, layout and finishes, and how to phase it
- When to read it
- When setting priorities and budget, before design and estimates are final
The dependency order
Each layer of a house depends on the one beneath it. If you finish a layer before the one it rests on is sound, you'll likely pay to undo it. Use this order to rank your wish list, even if you can't afford every layer at once.
| Order | Layer | Includes | Why it comes here |
|---|---|---|---|
| 1 | Structure and envelope | Framing, foundation, roof, exterior walls, windows, and anything letting water in | Leaks and movement damage everything inside. Fix them before anything is finished. |
| 2 | Systems | Plumbing supply and drains, electrical service and wiring, heating, cooling, ventilation | These run inside walls and floors. Replace them while those cavities are open. |
| 3 | Layout | Partition walls, door openings, fixture locations, room uses | New walls and fixture spots are built once systems routes are set, and before finishes. |
| 4 | Finishes | Drywall, tile, flooring, cabinets, counters, trim, paint, lighting fixtures | Last in, so nothing finished is damaged by the work above. |
Decide everything you can before work starts
- Layout and fixture locations: these set the plumbing, electrical and ventilation routes. Changes after rough-in usually mean reopening walls.
- Appliance and lighting plan: new loads can change whether the electrical service needs an upgrade, a question for a licensed electrician.
- Long-lead items: windows, cabinets and some fixtures can take weeks to arrive. Ordering late stalls the finish phase.
- Permits: in New York City, most construction needs Department of Buildings approval, and for one- and two-family buildings, work beyond DOB's exempt categories needs a registered design professional to file plans. In Suffolk, permits come from your town or village building department. See renovation permits in NYC vs. Suffolk.
- Testing in older houses: in a house built before 1978, paint disturbance by paid contractors falls under EPA lead-safe rules, and possible asbestos should be assessed by a qualified professional before demolition. See renovating an older home.
What's in the planned scope, and what isn't
Structural repair, roofing, additions and other envelope work come first in the order above, but they are outside the planned MMA Construction & Remodeling scope. If an assessment shows you need them, plan for that work to be designed by an architect or engineer and completed by a contractor qualified for it before interior systems and finishes go in. The home renovation page describes the interior work that is planned.
How to phase a whole-home project
Few households can empty the whole house at once. Phasing keeps part of the home livable, but each phase should still follow the layer order within its own area.
| Approach | Works well when | Watch out for |
|---|---|---|
| By floor | Each floor has its own bath, or you can live on one floor while another is done | Systems that serve the whole house, such as the electrical panel or main drain, may need to be done first, before any floor |
| By system first, rooms later | Wiring or plumbing is failing throughout | Walls get opened twice unless finish work in each room follows quickly |
| By room | Budget is limited and systems are sound | Each room's work can disturb finished neighbors; plan shared walls carefully |
| By unit (two-family) | One unit can stay occupied while the other is renovated | Shared water, gas, electric and heating lines can affect both units |
For how to stay in the house through each phase, see living at home during a renovation.
What tends to go wrong when the order slips
- New flooring goes down, then a leak from an old roof or window stains it.
- A kitchen is finished, then an electrical panel upgrade means opening the new walls.
- Old drain lines are left in place under a new bathroom, then fail.
- A layout change is decided after rough-in, and pipes or wires have to be moved.
- Paint is disturbed in a pre-1978 house before anyone assessed it, and cleanup expands the job.
Choosing what to do now and what to defer
If the budget won't cover every layer, spend it in order. Fix water and structural problems first, then the systems behind the rooms you're opening, then finishes. Deferring finishes is cheaper than redoing them. If you're still deciding whether a room needs more than new surfaces, start with cosmetic refresh vs. full renovation. For a kitchen-specific sequence and durations, see the kitchen renovation timeline. To see which cost lines a full gut adds, read gut renovation cost in New York City.
Planning aid
Whole-home priority checklist
- Any roof, window, foundation or exterior leaks identified and assigned to a qualified contractor
- Structural concerns checked by an architect or engineer
- Year built confirmed; lead paint and asbestos assessment arranged for pre-1978 houses
- Panel and wiring evaluated by a licensed electrician and wiring against the planned appliances and lighting
- Supply and drain lines evaluated by a licensed plumber, including the main drain
- Layout and fixture locations settled on paper before rough-in
- Permit path confirmed with NYC DOB or the Suffolk town or village building department
- Phasing approach chosen, with one kitchen and one bathroom usable at each stage if you're staying
- Long-lead items ordered in time for the finish phase
- Contingency set for what's found once walls are open
Related service
From planning to a project
Plan this with us: Whole-home renovation by area
- Whole-home renovation · Queens Home renovation in Queens, sequenced room by room Several rooms opened, inspected and closed in one planned sequence
- Whole-home renovation · Brooklyn Home renovation in Brooklyn's older houses, floor by floor Floor-by-floor plans for narrow attached and rowhouse interiors
- Whole-home renovation · The Bronx Home renovation in the Bronx, planned around the house you own Multi-room interiors for Bronx houses, not large apartment buildings
- Whole-home renovation · Manhattan Full-apartment and townhouse renovation in Manhattan One schedule from board package to final walkthrough
- Whole-home renovation · Staten Island Home renovation on Staten Island, from refresh to full interior A written room-by-room call on refresh versus full renovation
- Whole-home renovation · Suffolk County Home remodeling in Suffolk County, planned as one interior project Ranch, cape and split-level interiors remodeled in one sequence
Sources
- Does my project require a permit?, NYC Department of Buildings. Accessed 2026-11-02.
- Project Requirements: Alteration in 1-2 Family Buildings (owner), NYC Department of Buildings. Accessed 2026-11-02.
- Lead Renovation, Repair and Painting Program, U.S. Environmental Protection Agency (2026-06-17). Accessed 2026-11-02.
- Protect Your Family from Exposures to Asbestos, U.S. Environmental Protection Agency (2026-06-25). Accessed 2026-11-02.
- Building Division FAQ, Town of Brookhaven. Accessed 2026-11-02.
- Chapter 16: Building Construction Administration (Town of Brookhaven Code), Town of Brookhaven, via eCode360 (General Code) (§ 16-3 last amended by L.L. No. 15-2022, effective 2022-12-30 (as shown on eCode360)). Accessed 2026-11-02.
Planning work across the whole house?
Share what you want to change and what you already know about the house. The planned process starts with a site visit and a written scope that sets the order of work.