Short answer: At an in-home estimate for a bathroom remodel, the contractor measures the room, looks at where the plumbing, wiring and ventilation are now, checks the floor and walls for signs of water damage, and talks through what you want to change. What you get out of the visit depends a lot on how clearly you can say what you want to keep, what you want to change, and what bothers you about the room today.
What a full bathroom remodel usually includes
It helps to know the scope before the visit, because the estimate is built from it. A full remodel of an existing bathroom typically involves:
- Demolition: removing the tub or shower, tile, vanity, toilet and fixtures, and usually the drywall, down to the framing in the areas being rebuilt.
- Repairs to what’s underneath: replacing damaged subfloor or framing that shows up once things are opened.
- Plumbing: new shower valve, drains and supply lines, and moving them if fixtures change position.
- Electrical and ventilation: outlets, lighting, switches and an exhaust fan that actually vents outside.
- Insulation on exterior walls while they’re open.
- Waterproofing in the shower area before any tile goes up.
- Tile, drywall and paint.
- Fixtures and finishes: vanity, toilet, mirror, shower glass, hardware and trim.
- Permits and inspections for the plumbing, electrical and building work.
To see what those layers look like, there’s a walk-through of a shower layer by layer and the full sequence on a two-bathroom rebuild in Newton.
Not every project includes every item. Replacing a tub with a walk-in shower in the same spot is a smaller job than moving the toilet to the other wall. That difference is exactly what the visit is meant to pin down.
What the contractor looks at during the visit
A useful estimate visit is mostly looking and asking. Expect the contractor to check:
- The size and shape of the room, including ceiling height, the window and the door swing.
- Where the drains and supply lines are. Keeping fixtures where they are is simpler than moving them. Moving a toilet or a shower drain depends on which way the floor joists run and what’s below.
- The floor. Soft spots near the toilet or tub, cracked tile, or a floor that isn’t level can point to water damage or framing that needs repair.
- Signs of past leaks, including on the ceiling of the room below.
- Ventilation. Whether there’s an exhaust fan, and whether it actually vents outside or just into the attic.
- Electrical. Where the outlets are, whether there’s enough light, and what it would take to add a fan, a heated floor or a lighted mirror.
- The rest of the house. Where the water shutoffs are, how materials get to the bathroom (stairs, narrow halls), and the age of the house. Older New England houses often have plumbing, wiring or framing that has been changed several times over the decades.
Some of what matters can’t be seen until the walls are open. A good contractor will tell you which parts of the estimate depend on what they find during demolition, and how changes are handled if something unexpected turns up.
How to prepare
You don’t need finished plans. You do need a clear idea of what you want. Before the visit:
- Make two lists: what you want to change, and what you want to keep. “Keep the tub, replace everything else” and “turn the tub into a walk-in shower” are very different projects.
- Write down what bothers you about the room now. Not enough storage, a fan that doesn’t clear the steam, a cold floor, a step-in tub that’s hard to use. These shape the design more than any photo.
- Collect a few photos of bathrooms you like. A handful is enough. Note what you like in each: the tile, the vanity, the shower glass.
- Decide who needs to be there. If two people are making the decision, both should be at the visit. It saves a second round of questions later.
- Clear the vanity and the area around the toilet and tub so the floor and fixtures can be seen.
- Know where your water shutoff and electrical panel are, if you can.
- Think about timing. If this is the only bathroom in the house, say so. It changes how the work is planned.
What drives the cost
Every bathroom is different, so the useful question isn’t “what does it cost” but “what changes the cost.” The main factors are:
- Layout changes. Moving the toilet, shower or sink means moving drains and supply lines.
- How much tile, and what kind. Floor only, shower walls only, or full-height walls; large-format, mosaic or natural stone each take different amounts of labor.
- The shower. A walk-in shower with a glass panel and a niche is more work than a standard tub-shower.
- Fixtures and vanity. Stock items versus special-order or custom pieces, which also affect lead time.
- What’s behind the walls and under the floor. Damaged subfloor or framing has to be repaired before anything new goes in.
- Electrical and ventilation upgrades, such as a new fan duct, added lighting or a heated floor.
- Permits and inspections for the plumbing, electrical and building work.
What you should get afterward
After the visit, you should get a written estimate that describes the work and materials, not just a single line that says “remodel bathroom.” In Massachusetts, the eventual contract for this kind of work has to include a detailed description of the work and materials, a start date and a scheduled completion date, and the price and a payment schedule, and the law caps any deposit paid before work starts. We covered those requirements in how to check a Massachusetts home improvement contractor before you sign. For how long the work itself takes once it starts, see how long a bathroom remodel takes.
Questions worth asking during the visit
- Which parts of this estimate could change once the walls and floor are open?
- Who will pull the permits? (In Massachusetts, it’s the contractor’s job.)
- How do you waterproof the shower?
- What do I need to choose, and by when, so materials arrive on time?
- Will I be able to use the bathroom at any point during the work?
FAQ
Do I need to pick tile and fixtures before the estimate? No. A general direction is enough at the first visit: tile or not, glass or curtain, stock or custom vanity. Specific selections come later and are written into the contract.
Can the estimate change after demolition? It can, if the contractor finds damage that couldn’t be seen before. That’s why it’s worth asking up front how hidden conditions are handled and written up.
Should I measure the room myself? It doesn’t hurt, but the contractor will measure. More useful is knowing what you want to change.
Is it worth getting more than one estimate? Often, yes. When you compare them, compare the scope and materials line by line, not just the bottom number.
Liang Yu works in marketing at Sun Shore Construction and has been with the team for three years.
Planning a bathroom remodel? Get a free in-home estimate: call us or fill out the form on sunshoreconstruction.com.
