How much does a wet room cost in Ireland in 2026?

Wet rooms cost more than a standard shower room because of the full tanking, the level-access drainage and the larger tiled area. Always get at least three written quotes.

What is the difference in cost between a wet room and a standard en-suite?

The extra goes on the full waterproof membrane across walls and floor, the level-access floor former and gradient, and the larger fully tiled area, all of which add materials and labour before tiling can even begin.

How much does it cost to add an en-suite to a bedroom?

The cost depends on the specification and work required. Compare written, itemised quotes for your property, and check any applicable grant separately.

Do you need tanking or waterproofing in a wet room?

Yes. A wet room must be fully tanked — a continuous waterproof membrane applied to the floor and the lower walls (and ideally the whole shower zone) before tiling. Unlike a standard shower with a tray, the entire room is a wet zone, so skipping or skimping on tanking is the most common cause of leaks and expensive damage later.

How much space do you need for an en-suite?

A workable en-suite with a shower, toilet and basin needs a minimum floor area of roughly 3.8 sq metres, or about 1.5m x 1.5m for a compact layout. Allow at least 80cm width for the shower zone. A wet room can suit awkward or smaller spaces because there is no tray or enclosure to fit.

renovation

Wet Room & En-Suite Cost Ireland 2026

Plan wet room cost in Ireland: compare the project scope, quote items, exclusions and practical next steps before agreeing a budget.

23 June 2026 · Updated 22 September 2026

Published by upgraded.ie. Research, sources and corrections.

Budget from an itemised quote for your own property. Confirm the specification, site preparation, VAT and exclusions before comparing prices. The scope below identifies work to price; it is not a current national price average.

The big difference is waterproofing and drainage: a wet room turns the whole room into a tiled, fully tanked wet zone, which adds materials and labour over a standard en-suite with a shower tray.

Wet room and en-suite cost by spec

Project	Typical spec
Wet room — small	Compact layout, level-access drain, standard tiles, basic brassware
Wet room — standard	Full tank, quality tiles, thermostatic shower, glass screen
Wet room — large/high-spec	Large-format tiles, underfloor heating, premium fittings, microcement option
En-suite — basic	Same-floor layout near drainage, standard suite, part-tiled
En-suite — mid	Quality suite, fully tiled, new soil/water runs, extractor and lighting
En-suite — high	Premium sanitaryware, full tiling, relocated plumbing, underfloor heating

Costs outside Dublin tend to run roughly 15–20% lower than the figures above. These are guide prices only — get at least three written quotes against a fixed scope.

What drives a wet room’s cost

A wet room is more than a shower without a tray. The features below are where the money goes and where corners must never be cut:

Full tanking / waterproof membrane. The whole floor and the lower walls (and the entire shower zone) get a continuous waterproof membrane before tiling. The more of the room that must be made watertight, the more membrane, labour and drying time the job absorbs.
Level-access drainage. A flush, step-free drain (linear channel or central gully) replaces a raised tray. It usually means lifting the floor and, upstairs, sometimes notching or reinforcing joists so the drain and gradient fit within the floor depth.
The floor former and gradient. A pre-formed sloped tray (the “former”) or a hand-built screed creates the fall toward the drain so water never pools. Getting this gradient right is a skilled job and a common reason wet rooms cost more than a standard shower room.
Tiling. Because the whole room is tiled, the tiled area is larger than a typical en-suite.

When you’re ADDING an en-suite to a bedroom

Adding a brand-new en-suite is a different job from refitting an existing one, and the cost split usually comes down to one thing: getting services to the room.

Soil-pipe access. A toilet needs a 100mm soil connection, and the new room has to tie into the existing soil stack. The further the en-suite sits from that stack, the more pipework, falls and boxing-in are involved.
Hot and cold feeds. Running new supply pipes (basin wastes are 32mm, a shower needs decent flow) often means lifting flooring and a fresh first-fix of plumbing — the single largest swing in any bathroom quote.
Stud walls and the door. Carving an en-suite out of a bedroom usually needs a new partition wall, a relocated door and sometimes a borrowed bit of wardrobe or landing space.
Ventilation and electrics. An extractor fan, splash-zone lighting and a shaver socket are required, plus making good the bedroom afterwards.

This is why a new en-suite splits off in price from a like-for-like full bathroom refit: a refit reuses existing drainage and walls, whereas an addition pays to create them from scratch. For a comparable existing-room job, see our bathroom renovation cost guide.

How much space do you need?

A practical en-suite with a shower, toilet and basin needs about 3.8 sq metres of floor area — roughly 1.5m x 1.5m at the compact end — with at least 80cm clear width for the shower zone. A wet room often suits the most awkward or tight spaces, because there’s no tray or enclosure to fit and the floor drains to a single point.

Ways to save

Keep it near existing drainage. Siting the new room back-to-back with an existing bathroom or close to the soil stack cuts the most expensive line on the quote.
Tank well, spend modestly on tiles. Never skimp on waterproofing, but standard porcelain tiles look smart for a fraction of premium ranges.
Do floors once. If you’re lifting the floor for plumbing anyway, sort the flooring and any underfloor heating in the same go.
Bundle with bigger works. If a wet room or en-suite is part of an attic conversion or house extension, having one team handle plumbing and waterproofing in sequence is cheaper than a standalone callback.
Get three written quotes against an identical, fixed scope so you’re comparing like with like, not optimistic guesses.

Frequently asked questions

How much does a wet room cost in Ireland in 2026?: Wet rooms cost more than a standard shower room because of the full tanking, the level-access drainage and the larger tiled area. Always get at least three written quotes.
What is the difference in cost between a wet room and a standard en-suite?: The extra goes on the full waterproof membrane across walls and floor, the level-access floor former and gradient, and the larger fully tiled area, all of which add materials and labour before tiling can even begin.
How much does it cost to add an en-suite to a bedroom?: The cost depends on the specification and work required. Compare written, itemised quotes for your property, and check any applicable grant separately.
Do you need tanking or waterproofing in a wet room?: Yes. A wet room must be fully tanked — a continuous waterproof membrane applied to the floor and the lower walls (and ideally the whole shower zone) before tiling. Unlike a standard shower with a tray, the entire room is a wet zone, so skipping or skimping on tanking is the most common cause of leaks and expensive damage later.
How much space do you need for an en-suite?: A workable en-suite with a shower, toilet and basin needs a minimum floor area of roughly 3.8 sq metres, or about 1.5m x 1.5m for a compact layout. Allow at least 80cm width for the shower zone. A wet room can suit awkward or smaller spaces because there is no tray or enclosure to fit.