To tile a shower niche well, decide three things before anyone cuts the wall: where it goes (an interior stud bay with no plumbing, at a height people can reach without the shower head soaking it), how big it is (sized to your tile so the top and shelf land on grout lines instead of thin slivers), and how it stays dry (the niche gets the same waterproofing as the rest of the shower, tied in with no gaps). Then tile the back first, the shelf with a slight pitch toward the shower, and finish the front edge with mitered tile, bullnose, pencil liner, or a metal edge trim.
This guide walks through each step for homeowners planning a remodel and for anyone who wants to talk through the details with their installer. Shop prefabricated shower niches, mosaic tile for niche backs, and shower tile from Tile Outlets of America, with Florida showrooms in Tampa, Fort Myers, and Sarasota and nationwide shipping.
Shower niche planning at a glance
| Decision | Good rule of thumb | Why it matters |
|---|---|---|
| Wall | Interior framed wall, not the plumbing bay, not an exterior wall | Avoids pipes, valves, insulation, and (in many Florida homes) concrete block |
| Width | Fits inside one stud bay (about 14-1/2" clear with studs 16" on center) | No stud to cut or header to frame |
| Depth | About 3-1/2" in a 2x4 wall | Deep enough for full-size bottles |
| Height | Matched to your tile courses | Top and shelf land on grout lines, no slivers |
| Shelf | Slight pitch toward the shower | Water drains out instead of pooling |
| Waterproofing | Continuous with the wall membrane or board system | A niche is a hole in your waterproofing until it is sealed |
Step 1: Pick the right wall and stud bay
The easiest niche lives in an interior wall framed with wood or steel studs, in a bay that has nothing inside it. Before you commit, check three things:
- Plumbing. The valve wall usually has supply lines and the shower arm riser running through it. A niche on that wall can work, but only in a bay that is clear. Many showers put the niche on the side wall opposite the valve or on the back wall, out of the direct spray.
- Exterior walls. Skip them when you can. Exterior walls carry insulation, and in many Florida homes the exterior wall is concrete block, which turns a simple niche into a masonry job. If the only option is an exterior wall, talk to your contractor first.
- Wiring and blocking. Check for wiring, grab-bar blocking, or anything else in the bay. A stud finder and a look from the other side of the wall save surprises.
If no wall works, a corner shelf is the fallback. Stone and ceramic shower corner shelves set into the tile and need no cavity at all.
Step 2: Size the niche to your tile, not the other way around
The single biggest difference between a niche that looks custom and one that looks patched in is whether its edges line up with the grout lines of the wall tile. In the photo at the top of this page, the niche is one tile course tall, so the header and the shelf sit right on existing grout lines and nothing had to be sliced into a thin strip.
How to do it:
- Choose the wall tile first. Its size and layout (stacked, offset, vertical, horizontal) set the grid.
- Lay out the courses on paper or on the wall. Mark where each horizontal grout line falls from the floor or tub up, including the grout joint width.
- Set the niche height to a whole number of courses. With 4x16 tile laid vertically, that might be one 16" course. With 3x6 subway laid horizontally, it is a multiple of 3" plus grout joints. With 12x24, it is often one 12" course.
- Center the width on the wall or on a grout line, whichever looks intentional from the shower door.
- Account for the build-up. Backer board, membrane, thinset, and tile all add thickness inside the opening. Plan the framed or prefab opening so the finished, tiled opening is the size you laid out.
Width is usually limited by the stud bay. With studs 16" on center, the clear space between them is about 14-1/2", which is why so many prefab niches are 12" to 14" wide. A wider niche, like the long one in the photo above, means cutting a stud and framing a header, which is a job for your contractor.
Planning with large-format tile? Read the large-format tile guide. When you place your order, add extra for the niche cuts; our waste factor guide shows how much overage to plan.
Step 3: Pick a height people can actually use
There is no single code height for a shower niche. Most people like the shelf somewhere around chest height for the adults who use the shower, high enough that bottles are easy to see and grab, and low enough that nobody reaches over their head. For a tub-shower combination, many homeowners put the niche lower, closer to the tub rim, so it can be reached while sitting in the tub as well.
Two practical checks:
- Stay out of the direct spray of the shower head, or the niche will hold water and soap film.
- Line the height up with your tile courses from Step 2. If the ideal reach height and the nearest grout line are an inch apart, move the niche to the grout line.
Step 4: Framed niche vs prefabricated niche
You can build a niche from studs, blocking, and backer board, or set a prefabricated niche that drops into the stud bay. Prefab niches are popular because the box is already square, the inside corners are already formed, and many are made to tie into a shower waterproofing system.
| Framed (site-built) | Prefabricated niche | |
|---|---|---|
| Size | Any size, including long niches across studs | Set sizes; most fit one stud bay |
| Labor | More cutting, blocking, and waterproofing detail work | Faster; corners are pre-formed |
| Waterproofing | Every inside corner and seam is sealed on site | Seams to the wall still need sealing per the maker's instructions |
| Best for | Custom widths matched to large tile layouts | Standard bays and most remodels |
Prefab options at Tile Outlets at time of publish:
- Schluter Kerdi-Board-SN 12" x 20" Shower Niche ($114.50 each), built for Schluter KERDI shower systems.
- QuickShelf 9x13x3-1/2" Rectangle Niche Insert ($52.99), 13x13x3-1/2" Square ($54.99), and 13x20x3-1/2" Large Rectangle ($64.99).
- 304 Wide Combo Shower Niche 14x23" ($87.99) and the Double Square Niche 14-1/4" x 27-3/4" ($129.29) when you want two shelves.
Prices change; check each product page for the current price and stock. See all of them in Bath & Shower Niches.
Step 5: Waterproof the niche like the rest of the shower
A niche is a hole in your shower's waterproofing until it is sealed. Whatever system protects the shower walls has to wrap into the niche and connect to the wall without gaps. Water that gets behind tile in a niche runs straight down into the wall cavity.
- Sheet membrane systems (for example Schluter KERDI) cover the niche back, sides, header, and shelf, with inside corners and seams overlapped or banded. KERDI-BAND 5" waterproofing strip ($25.56) is the seam tape used with that system.
- Liquid membranes such as TEC 316 HydraFlex ($83.99 per gallon) are rolled or brushed on, with reinforcing fabric like TEC waterproofing mesh ($10.99) embedded where the manufacturer calls for it, typically at inside corners and changes of plane.
- Prefab niches still need their joint to the wall sealed exactly as the maker specifies.
Do not mix systems or skip steps. Follow one manufacturer's instructions from the shower pan to the top of the niche. For the full picture, read shower waterproofing explained, and installers can see our pro notes on KERDI shower assemblies in Florida humidity. Shop all waterproofing.
Step 6: Tile the niche in the right order
Most installers tile the main wall up to the niche, then tile the inside of the niche, then finish the front edges. Inside the niche, a common sequence is:
- Back panel first. This is where an accent mosaic or a single cut piece of the field tile goes.
- Shelf (sill) next, set with a slight pitch toward the shower so water runs out. Many installers use about 1/8" of fall across the depth of the shelf. Never let the shelf tip back toward the wall.
- Sides and header last, so their edges cover the edges of the back panel and the shelf.
Get full thinset coverage on every piece. Small pieces in a niche are easy to set with spot dabs, which leaves hollow spots where water can sit. Use the setting material your waterproofing system calls for; browse thinset mortar. For glass mosaics, use a white mortar rated for glass tile so the color reads true through the glass.
Where the niche back meets the sides, and where the shelf meets the back, many installers use a color-matched flexible sealant instead of grout, because inside corners move and grout there tends to crack.
Step 7: Finish the front edge
The front edge is what everyone sees. Choose one of these:
- Mitered tile corners. The cleanest look with porcelain that has a through-body or well-matched color, but it takes a skilled installer and a good saw.
- Bullnose tile. A factory-rounded edge in the same tile line, when one exists. Shop bullnose and tile trim.
- Pencil liner. A thin rounded frame, like the travertine niche above. Examples: Classic Travertine Pencil Liner 1x12 ($5.79) or Carrara White Honed Marble Pencil Liner ($6.89). See all pencil liner trim.
- Metal edge trim. A crisp, modern line that also protects the tile edge. Examples: Schluter JOLLY 3/8" Brushed Nickel ($27.18) or Schluter SCHIENE 3/8" Satin Anodized Aluminum ($17.41). Match the trim height to your tile thickness. Shop metal and PVC trims.
Shower niche tile ideas
- Match the wall, line up the grout. The quietest, most high-end look, as in the top photo. The niche nearly disappears and the bottles become the only accent.
- Contrast the back panel. Field tile on the wall, a mosaic on the niche back. Browse mosaic tile and glass tile and mosaics, for example Calacatta 6" Hex Glass Mosaic.
- Repeat the floor. Use the shower floor mosaic on the niche back, such as White Textured 2x2 Porcelain Mosaic, to tie the floor and walls together.
- Run an accent band through it. Line the niche up with a mosaic band so the band stops at the niche frame on each side, as in the travertine shower above.
- Long horizontal niche. One wide niche across the back wall instead of a small box. It needs framing work, but it is the look in many modern showers.
For the wall tile itself, see best tile for shower walls. For the floor, see best tile for shower floor. Picking grout? The grout color guide and epoxy vs cement grout both apply to niches, where soap and shampoo sit on the shelf.
FAQ
How big should a shower niche be?
Most shower niches are 12" to 14" wide so they fit inside one stud bay (about 14-1/2" clear with studs 16" on center) and 12" to 24" tall, about 3-1/2" deep in a 2x4 wall. The best height is a whole number of your tile courses, so the top and shelf land on grout lines. Wider niches are possible but require cutting a stud and framing a header.
How high should a shower niche be?
There is no code height. Most people put the shelf around chest height for the adults using the shower, out of the direct spray of the shower head. Tub-shower niches often sit lower so they can be reached from the tub. Fine-tune the height to the nearest grout line.
Does a shower niche need to be waterproofed?
Yes. The niche must be covered by the same waterproofing system as the shower walls, with every inside corner and the joint to the wall sealed per the manufacturer's instructions. Tile and grout alone are not waterproof.
Can you put a shower niche on an exterior wall?
Avoid it when you can. Exterior walls have insulation, and many Florida homes have concrete block exterior walls, which makes a recessed niche a masonry job. An interior framed wall, or a corner shelf, is usually the better choice.
Should the shower niche shelf be sloped?
Yes, slightly toward the shower so water drains out. Many installers use about 1/8" of fall across the shelf depth. A flat or back-sloped shelf holds water and soap film.
What tile is best for the back of a shower niche?
Either the same tile as the wall, cut to fit and aligned with the grout lines, or an accent mosaic. Glass, porcelain, and stone mosaics all work; use a white mortar rated for glass tile behind glass mosaics.
Prefab niche or framed niche?
Prefab niches are faster and come with square, pre-formed corners, which is why they suit most remodels. Framed niches make sense when you want a custom size, such as a long niche matched to a large-format tile layout.
Plan your shower with Tile Outlets of America
Bring your shower measurements to a Tile Outlets showroom in Tampa, Fort Myers, or Sarasota, or call 1-844-TOA-TILE. Order a sample piece from any tile's product page to check color next to your trim and grout, try tiles in your own room with the Roomvo visualizer on product pages, and get outlet pricing with nationwide shipping. Read how to order tile samples online before you buy.