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.
Whatever type of house you own in Penzance, we start by looking at how a new bathroom would fit it rather than offering a standard package. We cover TR18 and neighbouring places such as Camborne, Redruth and Falmouth. One named person looks after you from survey to handover, and nothing is booked until you hold our figure in writing, fixed for the work described.
- Guide price
- £5,100–£12,000 inc VAT
- Time on site
- 1–2 weeks per bathroom
- Postcodes
- TR18
- Planning rules
- England
- Local area
- Cornwall
- Survey
- Free, with a written quote
How much does a new bathroom cost in Penzance?
Use the table to gauge the cost of a new bathroom in Penzance before we visit. Figures include VAT and are scaled for the South West, coming out about 2% above the national guide, which gives £5,100–£12,000 overall. After a free survey, you receive a fixed written price.
| Type of job | What it usually involves | Guide in Penzance |
|---|---|---|
| Shower room or en-suite | A compact room with a shower, basin and toilet, keeping the existing layout. | £4,100–£8,200 |
| Family bathroom | A full suite with bath and shower, new tiling, lighting and an extractor fan. | £5,100–£12,000 |
| Premium bathroom or wet room | Standalone bath, wet room or walk-in shower, underfloor heating and large-format tiles. | £12,000–£20,500 |
The main things that change the figure:
- Suite, shower and tap specification
- Moving the toilet, bath or shower to a new position
- Wet room waterproofing and underfloor heating
- Condition of the floor, walls and existing pipework
What does the job include in Penzance?
- Removal and disposal of the old suite and tiles
- New supply and waste pipework, including concealed fittings
- Electrics, lighting and extractor fan by qualified trades, with certificates
- Waterproofing behind showers and in wet areas
- Bath or shower, basin, toilet and taps fitted and tested
- Heated towel rail, silicone sealing and a final clean
Local housing and a new bathroom
Older Cornish homes are often built of granite or slatey local stone, with slate roofs and sometimes slate-hung walls facing the weather. Cob cottages survive in places, Truro and Falmouth keep Georgian and Victorian streets, and many towns have rendered post-war houses, bungalows and newer estates on their edges.
Stone and cob properties often need breathable lime render, careful repointing and roof repairs. Post-war and newer homes commonly benefit from new windows, roofline renewal, external rendering and single-storey extensions.
That variety is why a guide price for a new bathroom in Penzance is only a starting point; the survey shows what your particular property needs.
Do you need permission in Penzance?
Because Penzance falls under England's rules, the guidance below is the version relevant to you. Before sending a price, we check your property's position with the council.
Internal work such as a new kitchen, bathroom, flooring, plastering or decorating does not need planning permission in England, unless the house is listed, when listed building consent may be needed even for internal changes.
Some internal work is covered by Building Regulations: new electrical circuits and work in bathrooms (Part P), new drainage, structural changes, extractor ventilation and any new window. Notifiable work is certified by a registered installer or by building control.
Rules change and every property is different, so we check the planning history and constraints for your address before we quote.
The four stages
Survey and measure
It starts with a survey at the property, free of charge. We check condition, access and services, ask how you want the finished result to look, and answer any questions you have about a new bathroom.
Price and scope agreed
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.
Getting ready
Preparation matters as much as the build. We agree access, parking and working hours with you, order materials in good time, and confirm any permissions so the job isn't held up once it starts.
Build and hand over
During the work we protect the areas around it and tidy up at the end of each day. Once complete, we check the finish, remove our materials and hand over paperwork such as building control sign-off where it applies.
Working with SK Home Improvements
Common questions
Can I move the toilet to a different position?
Moving a toilet is usually possible, but it is limited by the soil pipe, which needs a large-diameter pipe with a steady fall to the soil stack. Short moves along the same wall are often simple, while moving it across the room may mean lifting floors or boxing in pipework. A macerator pump is an option where gravity will not work. We check the stack position during the survey.
Is the price fixed?
Yes, for the specification we agree. Your written quote sets out exactly what is included at a fixed price. It only changes if you ask for something different, or if a problem the survey could not reasonably reveal later needs extra work. In either case we explain the change and confirm it in writing before going ahead.
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.
What happens at the survey?
We visit your home at a time that suits you, look at the area involved, take measurements and check access, condition and any services that might be affected. We talk through what you want from a new bathroom, explain the options and answer questions. There is no charge and no obligation; afterwards we send a written quote.
What ventilation does a bathroom need?
A bathroom needs mechanical ventilation, usually an extractor fan, to remove steam and help prevent condensation and mould. Building regulations set minimum extraction rates for new or refitted bathrooms. A fan linked to the light with an overrun timer, or one with a humidity sensor, works well. Ducting should vent outside by the shortest practical route. We include a suitable fan in every bathroom quote.
Nearby towns
Coverage for Penzance spans TR18. Close by, Camborne, Redruth and Falmouth are covered too, and the rest of our UK-wide area follows the same survey-then-quote process from start to finish.

