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.
Penarth sits within our coverage for a new bathroom, as do neighbouring Cardiff, Barry and Caerphilly. Before giving a price we want to see the property: the condition of what's there now, the access, and anything that might need extra work. The guide range for Wales is £4,600–£11,000 including VAT, and your written quote will spell out exactly what that covers.
- Guide price
- £4,600–£11,000 inc VAT
- Time on site
- 1–2 weeks per bathroom
- Postcodes
- CF64
- Planning rules
- Wales
- Local area
- The Vale of Glamorgan
- Survey
- Free, with a written quote
What should you budget for a new bathroom in Penarth?
Below is a breakdown of typical costs for a new bathroom in Penarth. Because rates in Wales are about 8% below the national guide, the overall guide comes to £4,600–£11,000, including VAT. Size, materials and access move the figure, and a free-of-charge survey settles it.
| Type of job | What it usually involves | Guide in Penarth |
|---|---|---|
| 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 |
Expect these to shape the final quote:
- Room size and the amount of tiling
- Suite, shower and tap specification
- Moving the toilet, bath or shower to a new position
- Condition of the floor, walls and existing pipework
What does the job include in Penarth?
- Measured survey and layout planning for your room
- New supply and waste pipework, including concealed fittings
- 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
Homes in South Glamorgan
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.
Mild but wet, with coastal exposure along the Severn estuary and Bristol Channel affecting render, roofline and windows.
In Penarth, as elsewhere in South Glamorgan, we take the building's age and construction into account before recommending anything, because both can change what is involved in a new bathroom.
Do you need permission in Penarth?
For anyone in Penarth, the relevant framework is Wales's. The summary below is general, so we always contact the council about your address before putting a price in writing.
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.
The four stages
A visit to your home
A free survey comes first. It gives us what we need to price a new bathroom properly, including dimensions, existing materials and access for deliveries, and gives you the chance to ask anything you like.
Written quote
Next you receive a written quote with a fixed price for the agreed specification. It lists what is included, what is not, and how payments are staged, so you can compare it properly.
Dates and permissions
Next comes planning the work itself. We set a start date that suits you, line up the right trades, and make sure any approvals for a new bathroom are in place before the first day on site.
The work itself
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.
What you can expect from us
Frequently asked questions
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.
How long does it take to fit a bathroom?
Fitting a typical bathroom takes one to two weeks on site. Strip-out and first-fix plumbing and electrics come first, followed by any plastering or boarding, waterproofing, tiling and then the suite, taps and fittings. Wet rooms and rooms with underfloor heating take longer because screeds and waterproofing need time to cure. We give you a day-by-day plan before work starts.
Which tiles are easiest to keep clean?
Large-format porcelain tiles are usually easiest to keep clean, because there are fewer grout lines to collect dirt and porcelain absorbs very little water. Glossy tiles show water marks more than matt ones, while textured floor tiles give better grip. Grout colour matters too: mid-grey hides staining better than white. We can suggest anti-slip ratings and grout options that suit how you use the room.
Can you combine a new bathroom with other work?
Yes. Because we manage several trades under one contract, we can plan a new bathroom alongside other work on your Penarth home, such as new windows with rendering, or a kitchen refit with an extension. Combining jobs can reduce repeat set-up such as scaffolding, skips and access, and every element is listed and priced in the same written quote.
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.
Nearby towns
Addresses in CF64 are all covered for Penarth, along with Cardiff, Barry and Caerphilly close by. Give us your postcode when you get in touch and we will confirm the details.

