Planning a kitchen renovation starts with one uncomfortable fact: the number on the cabinet showroom quote is not the project budget. I have watched a $38,000 kitchen turn into $61,000 after electrical work, plumbing changes, permits, flooring repairs, and the usual collection of small decisions. In my own Pasadena kitchen, I underpriced temporary storage and paid for that lesson in takeout and frustration.
The goal is not to predict every nail and fitting. The goal is to build a realistic scope, protect the budget, and make expensive changes before demolition rather than after. Here is the process I use on old houses, where the walls often contain more history than the plans reveal.
Start with the number, not the inspiration photo
For a modest kitchen in Southern California, a cosmetic update can land around $15,000 to $30,000. A midrange renovation with new cabinets, counters, flooring, appliances, lighting, and some plumbing or electrical work commonly reaches $45,000 to $85,000. Moving walls, replacing windows, upgrading structural framing, or correcting old-house systems can push the total beyond $100,000.
Those ranges are not a promise. They are a warning against using a cabinet advertisement as your financial plan. Planning a kitchen renovation requires three separate numbers: the construction budget, the product budget, and the contingency. If cabinets cost $18,000, appliances cost $12,000, and labor and finishes cost $30,000, your working total is already $60,000 before surprises. Add a 15% to 20% contingency for an older home. On a $60,000 project, that reserve is $9,000 to $12,000.
I keep contingency money in a separate account and do not use it to upgrade from laminate to quartz halfway through the job. That money is for the knob-and-tube wiring nobody mentioned, the rotten subfloor beneath the dishwasher, or the wall that turns out to be carrying something important.
Lock the scope before you choose finishes
The most expensive sentence in a kitchen project is, “While we are in here, could we also…” Planning a kitchen renovation goes better when you decide early whether the job is cosmetic, functional, or structural.
A cosmetic project might include paint, hardware, a backsplash, new lighting, and replacement appliances in existing locations. A functional renovation could replace cabinets, counters, flooring, and plumbing fixtures while keeping the room’s basic footprint. A structural project may involve removing walls, adding beams, relocating windows, or extending the room. Each category has a different permit path, schedule, and risk profile.
Draw the existing kitchen first. Measure every wall, door swing, window, ceiling height, outlet, supply line, drain, and vent. Then mark what must remain. A refrigerator that cannot open fully because it hits a wall is not a design detail; it is a daily annoyance you will pay to correct later.
For our 1923 Craftsman, I wanted a larger island. The old kitchen had a convenient-looking 36-inch walkway that was actually too tight once cabinet doors opened. We reduced the island depth and gained a much better traffic path. The smaller island held fewer stools, but the room worked better. Pretty on the brochure, expensive in real life is a fair description of many oversized islands.
Old-house problems deserve their own line items
Planning a kitchen renovation in a house built before modern building standards means inspecting before ordering. Open a few strategic areas before the final design: the cabinet wall behind the sink, the floor near the dishwasher, and the ceiling below any plumbing. You are looking for water damage, undersized wiring, old galvanized supply lines, questionable repairs, and uneven framing.
Do not assume the existing range hood is adequate because it makes noise. A proper hood needs an appropriately sized duct routed outdoors, and that route may involve cabinets, joists, or an exterior wall. Likewise, a new induction range may require a dedicated electrical circuit. An older panel might not have the capacity, and adding a circuit is very different from swapping a receptacle.
Have a qualified electrician evaluate the panel and wiring before cabinets are ordered. Have a plumber inspect shutoff valves and drain connections while access is easy. If you find painted-over pipes, brittle insulation, or suspicious patching, pause and get a specialist opinion. Discovery costs a few hundred dollars; repairing a finished kitchen can cost several thousand.
Get comparable bids, not three random numbers
A useful bid lists demolition, framing, electrical, plumbing, HVAC or ventilation, drywall, flooring, cabinets, counters, tile, painting, appliances, cleanup, permit fees, and taxes. If one contractor includes cabinet installation while another lists only labor, the totals are not comparable.
Planning a kitchen renovation becomes much less confusing when every bidder receives the same drawings, finish schedule, appliance specifications, and written assumptions. Ask each contractor what is excluded. Common exclusions include moving appliances, repairing subfloor, hauling away hazardous materials, patching adjacent rooms, and painting the ceiling.
I prefer a bid that explains risk over one that looks cheapest. A contractor who identifies a likely drain problem may be more accurate than the person who simply writes “plumbing, $1,500.” The cheapest option is rarely the least expensive when change orders begin arriving.
Check licensing and insurance, call recent references, and confirm who will actually supervise the work. Get the payment schedule and change-order process in writing. Always. A handshake is not a construction document.
Build the schedule around the slowest decisions
Cabinets often control the schedule. Stock cabinets may arrive in a few weeks, while semi-custom and custom orders can take two to four months or more. Counters cannot be templated until cabinets are installed and level. Appliances can also create delays when a chosen model is backordered or needs a different opening.
Planning a kitchen renovation means ordering long-lead items before demolition, but not before field measurements are confirmed. A cabinet order based on an old sketch can produce an expensive mistake. Verify appliance dimensions, filler panels, refrigerator door clearance, sink size, and finished floor height.
For a typical renovation, demolition and rough work might take one to two weeks, cabinet installation another week, and counters, backsplash, trim, paint, and corrections several more weeks. A clean, straightforward job may finish in six to eight weeks. Old-house work often takes longer because the crew is correcting what previous owners concealed.
Set up a temporary kitchen before the first cabinet comes out. I use a folding table, microwave, electric kettle, coffee maker, small refrigerator, dish tub, and a plastic storage rack. Budget $250 to $600 for the setup, then decide where dishes will be washed. With children at home, this matters more than the tile selection. We survived our last renovation because the grill stayed operational and nobody expected a normal dinner schedule.
Your pre-demolition checklist
Before the crew starts, photograph every room connected to the kitchen. Record existing damage, protect floors outside the work zone, and confirm where debris will go. Shut off and label utilities. Remove artwork and fragile items from nearby walls because demolition vibrations travel farther than expected.
Planning a kitchen renovation also requires a decision log. Write down the cabinet color, hardware, faucet, sink, appliances, outlet locations, paint color, flooring transition, and who approved each change. Keep invoices, receipts, selections, and allowances in one shared folder. If a change affects price or schedule, write the amount and date before work proceeds.
Make a punch list at substantial completion, not after the contractor has packed every tool. Test drawers, doors, outlets, lights, appliances, garbage disposal, faucet, dishwasher drain, and hood. Look at trim from standing height and inspect caulk lines around the sink. Hold back only the amount allowed by your contract and local rules; do not invent a retention arrangement at the end.
The best next step is simple: measure your current kitchen, photograph the walls and utilities, and create a line-item scope before opening a design app. That document will make bids clearer, expose unrealistic expectations, and give planning a kitchen renovation the structure it needs.
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