What a Bathroom Renovation Actually Involves
A bathroom is the smallest room in the house and the most likely to be hiding damage. It is the only room where water runs against the structure every single day. By the time a floor feels soft or grout keeps cracking no matter how many times it gets redone, the problem is usually older than the tile on top of it.
Here is how the work actually runs, and where the money goes.
Demo comes before the estimate is final
Anyone can price fixtures from a list. Nobody can price what is behind your shower wall from the doorway.
What we can do is check what is reachable, tell you what we expect to find in a house of your age, and put the likely items on the estimate as line items rather than leaving them off to make the number look better. Then the first day of demo confirms it or it does not.
The four things demo turns up most often around here:
- Rotted subfloor at the toilet flange and the tub apron. A slow leak wicks into the sheathing for years before anything feels wrong underfoot. This cannot be tiled over.
- A failed shower pan. Old mortar-bed and mesh pans give up at the corners. So does tile set straight onto drywall in a wet area, which is a leak on a schedule.
- No exhaust fan, or a fan ducted into the attic. Venting a bathroom into an unconditioned attic is how mould grows in the ceiling above it. It has to go outside, through the roof or a wall.
- Galvanized supply lines, or a vent that was never run properly when a previous owner moved a fixture.
The order the work has to happen in
Bathrooms are unforgiving about sequence, because inspections land in the middle and nothing can close up until they pass.
- Demo and haul-away. Down to framing where the scope calls for it.
- Repairs you cannot see later. Subfloor, framing, any rot. This is the part that decides whether the room lasts.
- Rough plumbing and electrical. Supply, drain, vent, a GFCI-protected circuit, and the exhaust fan ducted to the exterior.
- Inspection. The township looks at the rough work before it gets covered.
- Waterproofing. The wet area gets built to hold water, not to look like it does. This is not a step to negotiate on.
- Tile, then fixtures. Tub or shower, vanity, toilet, then lighting, trim and paint.
- Walkthrough.
The pinch point is step 4. Townships across Lehigh and Northampton counties schedule inspections differently, and a schedule that assumes same-day is not a real schedule. We build a realistic window in rather than promising one we cannot control.
What needs a permit
Pennsylvania uses the Uniform Construction Code, administered by your municipality. Broadly:
Needs a permit. Moving plumbing, new or altered wiring, structural changes, new ductwork for the fan.
Generally does not. Swapping a vanity, retiling in the same footprint, painting, a new toilet in the same spot.
If plumbing moves or wiring changes, assume yes. We pull it and schedule the inspections; you should not be at the township office for your own bathroom.
If it is your only bathroom, say so at the walkthrough
This changes the whole plan. The goal stops being "work in the most efficient order" and becomes "get the toilet back in service as fast as the inspections allow." That is a different sequence and sometimes a slightly different price, and it is much better decided before demo than during it.
Either way you get the sequence in writing before demo day, including which days the water is off.
The one upgrade to do even if you want nothing else
If there is any chance of staying in this house long term, have solid blocking put in the walls behind the shower and the toilet while they are open. Not grab bars, just the wood behind the drywall, so bars can be mounted into framing whenever they are wanted.
It costs very little while the walls are already open and it is close to impossible to add cleanly afterwards. Drywall anchors are not a substitute for a bar someone is going to put their weight on.
More on that in the modifications worth doing while the walls are open, and the whole service is laid out on our bathroom renovation page.
Call (484) 944-6441 and we will come look at the room and put a written estimate in front of you.