vault backup: 2026-03-07 11:51:57
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Vincent Verbruggen
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# Bathroom - Codex recommendations
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> Created: 2026-03-07
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> Purpose: Separate scratch note with Codex recommendations, inspiration directions, and source links.
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---
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## Context
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This note is separate from `Bathroom.md`.
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It is based on:
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- ![[Bathroom Blueprint.svg]]
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- The current draft layout shown there
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- Current bath design and technical guidance reviewed on 2026-03-07
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---
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## My Read of the Room
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- The footprint is compact but not tiny: about `4.9 m2`.
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- The stepped top-right corner is useful, not awkward. It gives you a natural shower zone.
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- The outward-opening door is good because it preserves usable floor area.
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- The room can probably support `bath + shower + toilet + vanity`, but only if you are disciplined about fixture sizes and storage.
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- The largest unresolved planning item is still the toilet position. That decision drives plumbing complexity, clearances, and whether the bath remains worth keeping.
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---
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## My Strongest Recommendations
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### 1. Keep the shower in the existing nook
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- The `~1000 x 1000` shower nook is one of the best things about this layout.
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- It already creates a wet zone without needing a complicated enclosure.
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- If you want a cleaner look, use a fixed glass panel or very minimal enclosure rather than a visually heavy shower cabin.
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### 2. Decide whether the bathtub is truly essential
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- If the bathtub is a real use case, keep it and make it deliberate.
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- If the bathtub is mostly hypothetical, removing it is probably the single biggest upgrade to practicality.
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- A tub removal would likely buy you some combination of:
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- easier toilet placement
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- larger vanity
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- better circulation
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- calmer sightlines
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- more useful storage
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### 3. Use a wall-hung vanity with drawers
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- In a room this size, drawers are materially better than doors.
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- A wall-hung vanity keeps more floor visible and makes cleaning easier.
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- If possible, pair it with a mirrored cabinet rather than only a flat mirror.
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### 4. Keep the finish palette calm
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- This room will benefit more from visual calm than from lots of feature moments.
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- Use fewer finish changes than your first instinct suggests.
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- Aim for:
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- one main tile family
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- one vanity material
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- one metal finish
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- one restrained accent color
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### 5. Spend money on invisible performance before visible styling
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- Prioritize ventilation, waterproofing, drainage, lighting, and storage planning before decorative upgrades.
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- Bathrooms punish bad hidden decisions much harder than most other rooms.
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---
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## Design Directions I Think Fit This Room
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### Warm spa
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- Large-format matte porcelain in warm off-white, sand, or light taupe
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- Oak or walnut vanity
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- Brushed nickel or stainless taps
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- Soft integrated mirror lighting
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- Sage or clay accents
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Why it fits:
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- Works well in a compact room
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- Feels calm rather than cold
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- Ages better than trend-heavy contrast schemes
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### Quiet hotel
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- Seamless floor-to-wall tile palette
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- Floating vanity
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- Frameless or near-frameless shower glass
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- Recessed niche
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- Very low-contrast grout
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Why it fits:
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- Makes the room feel larger
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- Gives the bath and shower a more intentional feel
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- Works especially well if you want the room to feel expensive without adding visual noise
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### Vintage modern
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- More character in the floor tile
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- Vanity with more furniture presence
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- Framed mirror
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- Decorative sconces or warmer vanity lighting
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- Brushed brass or aged metal accents
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Why it fits:
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- Good if you want something less generic
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- Pairs well with older building character
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- Needs discipline so it does not become busy
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---
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## What I Would Probably Do
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If the bathtub must stay:
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- Keep the shower in the nook
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- Keep the outward-opening door
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- Use a compact wall-hung vanity with drawers
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- Use a mirrored cabinet
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- Reassess the radiator position early
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- Use large matte tile and keep the palette light and warm
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If the bathtub is optional:
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- Remove the tub
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- Keep and improve the shower zone
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- Spend the gained flexibility on toilet placement, vanity width, and storage
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- Consider underfloor heating plus a smaller towel radiator instead of letting the radiator dictate the plan
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---
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## Things To Lock Before You Shop
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- Toilet position
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- Existing drain and supply locations
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- Whether the bath stays
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- Radiator strategy
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- Vanity width and depth
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- Door clearance around all fixtures
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- Fan position and duct route
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- Lighting layout
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- Whether the shower will be curbed, low-threshold, or fully curbless
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Do not buy taps, mirrors, or tile before those decisions are stable.
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---
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## Practical Guidance I Would Follow
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### Ventilation
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- For bathrooms up to `100 sq ft`, Home Ventilating Institute guidance is `1 CFM per sq ft`, with a minimum of `50 CFM`.
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- Your draft room is about `53 sq ft`, so the baseline is roughly `53 CFM`.
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- In practice, I would treat that as a floor, not a target. Long duct runs, bends, and quiet operation requirements usually justify going above the minimum.
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- A humidity sensor and run-on timer are worth it.
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### Flooring and slip resistance
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- Do not pick polished floor tile for this room.
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- Confirm the manufacturer classifies the tile for `Interior, Wet (IW)` use under `ANSI A326.3`.
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- For the shower floor, be even more conservative.
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### Waterproofing
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- Treat the shower waterproofing system as a system, not as a pile of compatible-looking parts.
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- Keep it simple enough that the installer cannot improvise critical details.
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- Flood-test the shower before tile goes in.
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### Lighting
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- Use layered lighting:
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- general ceiling light
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- mirror task lighting
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- shower light if needed
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- optional low-level night lighting
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- A backlit mirror looks good, but it should not be the only useful light at the vanity.
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### Storage
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- Plan storage for boring items, not aspirational styling:
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- toilet paper
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- spare toiletries
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- cleaning supplies
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- hair tools
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- medicine
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- laundry overflow
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- Recessed shower niches are usually worth it if planned early.
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---
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## Common Failure Modes
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- Keeping the tub by default and regretting the loss of space every day
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- Choosing floor tile for appearance first and wet performance second
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- Treating the fan as a checkbox instead of a real moisture-control system
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- Buying a flat mirror when a mirrored cabinet would solve actual storage pressure
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- Letting the radiator location stay unchallenged
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- Overusing feature tiles, contrasting grout, and multiple finishes in a compact footprint
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- Solving aesthetics before plumbing reality
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---
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## Current Design Signals Worth Paying Attention To
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- `Houzz 2025 Bathroom Trends` reports wet rooms at `16%` of renovated bathrooms, with half of those homeowners saying the choice helped them use space better.
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- The same Houzz study says `36%` of renovated bathrooms include wellness-oriented features, led by upgraded lighting at `30%`.
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- `NKBA 2026 Bath Trends` points toward light neutrals, large-format flooring, wood-faced vanities, matte or brushed faucet finishes, larger showers, and layered lighting.
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- Houzz search data in 2025 also points toward more interest in white oak bathroom vanities, vintage bathroom vanities, and warm metal accents.
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My interpretation:
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- The safe center of the market is moving warmer, calmer, and more natural.
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- That aligns well with your room.
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- I would avoid cold gray, polished chrome everywhere, and busy patterned surfaces unless you want a more stylized result on purpose.
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---
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## Source List
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### Technical and planning
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- Home Ventilating Institute: bathroom ventilation sizing
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- https://www.hvi.org/resources/publications/bathroom-ventilation/
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- Home Ventilating Institute: certified products directory
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- https://www.hvi.org/hvi-certified-products-directory/
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- Tile Council of North America: `ANSI A326.3` product use classifications
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- https://tcnatile.com/national-standard-ansi-a326-3-now-requires-hard-surface-flooring-manufacturers-to-provide-product-use-classifications-based-on-their-slip-resistance-properties/
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- Schluter: shower system installation guidance and water testing reference
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- https://www.schluter.com/schluter-us/en_US/kerdi-shower-kit-installation-instructions
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- Schluter: shower system installation handbook PDF
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- https://assets.schluter.com/asset/570120892212/document_i2tt9fh4sp2n562jmirhppbv4o/Shower%20System%20Installation%20Handbook.pdf
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### Trend and inspiration
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- Houzz: 2025 U.S. Bathroom Trends Study
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- https://www.houzz.com/magazine/2025-u-s-houzz-bathroom-trends-study-stsetivw-vs~183227801
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- NKBA: 2026 Bath Trends Report announcement
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- https://nkba.org/press/nkba-kbis-releases-annual-2026-bath-trends-report/
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- NKBA: 2026 Bath Trends Report overview
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- https://kb.nkba.org/research/nkba-kbis-2026-bath-trends-report/
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- Houzz: 2025 emerging summer trends report
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- https://blog.houzz.com/2025-u-s-houzz-emerging-summer-trends-report/
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---
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## Use This Note For
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- Deciding whether the bathtub stays
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- Narrowing the aesthetic direction
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- Building a shortlist for tile, vanity, lighting, and ventilation
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- Sanity-checking contractor proposals
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Do not use this note as a substitute for verifying actual plumbing constraints, local electrical rules, waterproofing details, or fixture dimensions.
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