- Postcode districts
- CF47, CF48
- Nearby
- Aberdare, Rhondda and Ebbw Vale
- Guide price
- £5,600–£11,250
- Typical time on site
- 5–10 working days
- Water
- Soft across most of Mid Glamorgan
- Survey
- Free, at your home
What does a wet room cost in Merthyr Tydfil?
For Merthyr Tydfil, our guide range for a wet room is £5,600 to £11,250 including VAT. Prices in Wales run at about 7% below the national guide, mainly because of labour rates. The figure depends on the size of the room, whether anything moves, and the products you pick.
Compact
- Full tanking, porcelain tiles
Signature
- 4–7 m² room
Large or luxury
- Large-format or stone-effect tiles
Guide prices for Merthyr Tydfil including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Merthyr Tydfil
As well as Merthyr Tydfil itself (CF47 and CF48), we survey in Aberdare, Rhondda and Ebbw Vale.
In Merthyr Tydfil, as anywhere, the age of the house decides a lot: pipe sizes, floor construction and where the soil stack runs. In a compact Merthyr Tydfil bathroom, a wet room frees the space a tray and enclosure would take, but expect the whole floor to get wet. For a wet room in a Merthyr Tydfil flat, the first step is the lease, because freeholder consent is often needed before any work starts.
Supplies across most of Mid Glamorgan are soft. If that holds for your street in Merthyr Tydfil, limescale on shower glass and heads builds up slowly and a squeegee after use is usually enough. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- Slip-resistant porcelain floor tiles and wall tiling
- A pre-formed floor former with a linear or centre drain, or a screed laid to fall
- A survey of the floor construction, the joist size and direction or the concrete slab, and the route to the soil stack
- A thermostatic shower valve, exposed or concealed, with heads to suit your water system
Decisions to make first
Screen size
A screen of 1200 mm or more keeps spray off the rest of the room in most layouts. In a very small wet room, expect the whole floor to get wet.
Former or screed
A pre-formed board gives a consistent fall and suits timber floors. A sand and cement screed suits concrete slabs and larger shower areas.
Rules that apply in Wales
In Wales, Part H covers new drainage and the Welsh Part F sets similar extract rates. The Welsh Part P makes more electrical work notifiable than in England, so the electrician should notify and certify the work.

