A bathroom installation replaces your old suite with new sanitaryware, a bath or shower, tiling and fittings, including the plumbing, electrics, ventilation and waterproofing needed for a complete, watertight room.
Getting a new bathroom right in Cardiff starts with understanding the house you already have: its age, how it was built and what has been altered over the years. We survey first, then commit on paper to a price that holds as long as the scope stays the same. Across Wales, guide prices run at £4,600–£11,000 including VAT, and homes in Penarth, Caerphilly and Barry are covered too.
- Guide price
- £4,600–£11,000 inc VAT
- Time on site
- 1–2 weeks per bathroom
- Postcodes
- CF10, CF11 and CF24
- Planning rules
- Wales
- Local area
- South Glamorgan
- Survey
- Free, with a written quote
How much does a new bathroom cost in Cardiff?
What should you budget for a new bathroom in Cardiff? Use the figures below as a starting point. Prices in Wales sit about 8% below the national guide, so the range here is £4,600–£11,000 including VAT. Your fixed price comes in writing once we've surveyed the property, at no charge.
| Type of job | What it usually involves | Guide in Cardiff |
|---|---|---|
| Shower room or en-suite | A compact room with a shower, basin and toilet, keeping the existing layout. | £3,700–£7,400 |
| Family bathroom | A full suite with bath and shower, new tiling, lighting and an extractor fan. | £4,600–£11,000 |
| Premium bathroom or wet room | Standalone bath, wet room or walk-in shower, underfloor heating and large-format tiles. | £11,000–£18,500 |
The main things that change the figure:
- Room size and the amount of tiling
- Suite, shower and tap specification
- Moving the toilet, bath or shower to a new position
- Wet room waterproofing and underfloor heating
Scope of the work
- Removal and disposal of the old suite and tiles
- Electrics, lighting and extractor fan by qualified trades, with certificates
- Waterproofing behind showers and in wet areas
- Wall and floor tiling to your chosen design
- Bath or shower, basin, toilet and taps fitted and tested
- Heated towel rail, silicone sealing and a final clean
What are homes like around Cardiff?
Cardiff has large areas of bay-fronted Victorian and Edwardian terraces in districts such as Roath, Canton and Cathays, plus interwar suburbs, post-war estates and modern flats around Cardiff Bay. Penarth has Victorian villas, Barry mixes terraces with newer estates, and Vale of Glamorgan villages are often built of local limestone.
Terraces commonly suit loft conversions, side-return and rear extensions, and bay window renewal. Suburban semis take side extensions and driveways, and stone village homes need lime-based repairs.
With that background in mind, here is how we typically handle a new bathroom for homes in Cardiff, from the first visit to the finished result.
Permissions for a new bathroom in Cardiff
Which rules apply depends on where you live. For Cardiff, the answer is Wales, and the points below reflect that; we verify them with the council before quoting.
Internal improvements do not need planning permission in Wales unless the building is listed.
Building Regulations in Wales cover notifiable electrical work, drainage, ventilation and any structural change.
Rules change and every property is different, so we check the planning history and constraints for your address before we quote.
From survey to handover
Survey and measure
First, someone visits your home in Cardiff to see the space, take measurements and note anything that could affect the work, such as access or the condition of what is there. There is no charge for this visit.
Written quote
We turn the survey notes into a written quote. The price is fixed for the specification we agree, and the document sets out materials, scope and payment stages in plain language.
Plan and prepare
We handle the paperwork side: checking whether planning permission or building control approval is needed, submitting applications where they are, and scheduling the trades and materials around your dates.
On site to finish
On site, the agreed plan is followed and any change is put in writing first. At completion we do a final clean, go through the snagging list with you and leave you with the relevant documents.
Why homeowners choose us
Common questions
Do I need a new boiler for a new shower?
You do not always need a new boiler for a new shower, but your hot water system decides what kind of shower will work well. Combi boilers suit mixer showers directly from the mains. Tank-fed systems may need a pump for good pressure, and electric showers heat their own water. We check your boiler, cylinder and water pressure during the survey and recommend a shower to match.
Do you cover Penarth, Caerphilly and Barry?
Yes. As well as Cardiff, we cover Penarth, Caerphilly and Barry and the rest of South Glamorgan. Our coverage is UK-wide, so the process is the same wherever you are: a free site survey, a quote in writing that fixes the price for the agreed scope, and one point of contact while the work is planned and carried out.
How much does a new bathroom cost?
A typical family bathroom costs £4,600–£11,000 supplied and fitted, including tiling, a new suite, shower, lighting and an extractor fan. Shower rooms and simple en-suites cost a little less, while wet rooms, standalone baths and large-format tiles cost more. Moving the toilet or replacing rotten floorboards adds to the total. We confirm a fixed price for the agreed specification after the survey.
Who do I deal with during the job?
One point of contact manages your project from survey to handover. They schedule the trades working under our contract, keep you updated on progress, and are the person to call with any question. You don't need to coordinate builders, electricians or decorators separately, because that is part of what we do.
Is a wet room right for my home?
A wet room is a fully waterproofed room with a shower area that drains through the floor, with no tray or step. It suits accessible bathrooms and modern designs, and makes cleaning easy. It needs a floor with enough depth for a gentle fall to the drain, and careful tanking of the whole room. Timber floors often need strengthening. We check suitability at the survey.
Nearby towns
We cover every part of Cardiff, including CF10, CF11 and CF24, and nearby Penarth, Caerphilly and Barry. Wherever you are within that patch, the survey is free and the quote comes to you in writing.