What Does a Beautiful Bathroom Really Cost? And Where Should You Actually Spend the Money?
Bathrooms are deceptive little rooms. They’re often one of the smallest spaces in the house, yet somehow manage to swallow a disproportionately large chunk of a renovation budget. And, usually, it isn’t the bath that does it.
One of the biggest surprises for clients when we start designing a bathroom is the overall cost. There seems to be an assumption that because the room is small, the budget should be too. In reality, bathrooms require an extraordinary number of people and processes to make them work. You have plumbers, electricians, tilers, decorators and often plasterers, carpenters and specialist glass installers involved before we’ve even started talking about the things you actually see.
For the type of family bathroom we typically design, I would realistically allow somewhere in the region of £23,000 to £30,000 + VAT for a complete renovation. Sanitaryware might account for £8,000 to £12,000 + VAT of that, with fitting and installation potentially another £12,000 to £15,000 + VAT, depending on the size of the room, the finishes and how much alteration is involved.
It’s quite a lot of money for one relatively small room.
But bathrooms are also one of those places where understanding where to spend can make an enormous difference. A larger budget doesn't automatically create a better bathroom and, equally, there are certain things I really wouldn't try to save money on.
If you gave me £15,000 and asked me to make a bathroom look as though it cost £30,000, my first priority wouldn't be marble. It would be the installation.
Because ultimately, the installation guides the finish. You can choose the most beautiful products in the world, but badly positioned sanitaryware, poor tiling or a shower screen that crashes into the vanity every morning will very quickly take the shine off them.
I would also always spend properly on the things you can't easily get to again. Concealed cisterns, shower valves, wall-mounted taps, essentially anything with plumbing components disappearing into the wall. They may not be the exciting things to put on the mood board, but if something goes wrong with them, getting back in can mean removing all those beautiful finishes you've just paid to install.
I'd rather specify a reliable concealed shower system and rein back somewhere decorative than do it the other way around.
And, while we're talking about decorative things, we need to talk about tiles. I love tiles. Obviously. But I do think we've become a little obsessed with them.
They’re often one of the first things people start looking at when planning a bathroom because they’re the pretty bit. Before the layout has been properly resolved or anybody has thought about the plumbing, we have 38 screenshots of marble, zellige and checkerboard flooring.
Then there’s the assumption that because it’s a bathroom, every wall needs to be tiled from floor to ceiling.
It doesn't.
If the top quarter of your bathroom wall is never going to get wet, why are we tiling it?
Leaving some walls painted can actually make a bathroom feel softer and more connected to the rest of the house. It gives you another opportunity to introduce colour and means the room doesn't become a tiled box. More importantly, you're spending money on a finish where it's actually needed rather than covering every available surface simply because you can.
The same applies to shower glass. I always question how much we genuinely need. Being clever about the amount of tiling and bespoke glass in a bathroom can potentially make a substantial difference to the overall cost, without making the finished room feel remotely compromised.
In fact, restraint is often what makes a bathroom feel more expensive.
For me, the feeling of luxury has far more to do with flow and proportion than the price of an individual product. Can you move comfortably from the vanity to the loo? Can you get out of the shower without navigating around the door? Is there somewhere obvious to reach for a towel? Does everything have enough space around it?
These are not particularly glamorous design questions, but they are the ones that determine whether a bathroom is lovely to actually live with. It's also why I'm not an advocate for retaining the existing plumbing at all costs. Yes, keeping a toilet, bath or basin roughly where it already sits can save money. Moving soil pipes and plumbing around will inevitably add to the installation cost. But if the existing layout doesn't work, there is very little point spending thousands of pounds recreating it.
You'll simply end up with exactly the same irritating bathroom, only shinier. Sometimes the sensible place to spend is on moving the plumbing because you're fixing the fundamental problem with the room. I'd rather do that and economise on a decorative finish than live with a compromised layout for the next ten years. The same thinking applies to the freestanding bath.
They are beautiful. I love specifying them. But they need space to breathe. Ideally, I want around 30- 50cm either side of a freestanding bath so that it feels intentional rather than squeezed into the only available gap. If a room can't comfortably take one, I would much rather design a really beautiful built-in bath. There can also be structural considerations with particularly heavy baths, which is another example of something that can look like a straightforward product choice but actually has implications for the build and therefore the budget.
This is really where bathroom costs start creeping up. It's rarely one enormous unexpected expense. It's lots of smaller things that weren't included in the original mental calculation.
Removing the old bathroom. Skip hire. Waterproofing. Plastering. Electrical work. Heating. Extractor fans. Decorating. Shower glass. Then towel rails, toilet-roll holders, hooks, mirrors and lighting. None of them individually sounds disastrous. Added together, they're quite another story.
Then there are the bits you didn't even know you needed.
One of the most common mistakes I see when people order their own bathrooms is buying the visible product without realising there is another component required behind it. A beautiful wall-mounted tap is fairly useless if the plumber doesn't have the concealed part that needs to go inside the wall.
Lead times cause similar problems. By the time the bathroom is being installed, you don't want to discover that one essential internal component has an eight-week lead time.
This is why I would always resolve the complete specification before you start ordering. What can you see? What sits behind the wall? What does the plumber need for first fix? And when does everything actually need to arrive?
There are also certain trends I would approach with a little caution. Overly complicated shower-valve systems are one. Very intensive pattern used across multiple surfaces is another.
A bathroom already has quite a lot going on visually. There are taps, basins, shower screens, mirrors, towels, lighting and, once real life begins, all the bottles and paraphernalia that don't tend to make it into the photographs. It doesn't always need five different materials fighting for attention as well.
Quite often, the bathrooms that feel the most luxurious are the ones where somebody knew when to stop.
We recently broke down the cost of one of our family bathroom designs and the finished figure came to £29,251 + VAT. Of that, £12,400 was sanitaryware, £14,901 was removal and installation, £1,500 was tiles and £450 was window treatments.
I think those figures are quite revealing. The tiles, the thing people can spend weeks agonising over, represented a relatively small proportion of the overall investment. The largest amount went into creating and installing the room properly. And perhaps that's the point, A beautiful bathroom isn't really about how much you've managed to squeeze into it. It's about getting the fundamentals right first: the layout, the installation, the plumbing and the proportions. Then you can decide where the beautiful bits deserve your money.
If you remember nothing else…
Budget for the whole room, not just the products. Plumbing, electrics, preparation and installation represent a significant part of the overall cost.
Spend on the things hidden inside the wall. Good-quality concealed cisterns, shower valves and internal plumbing components are worth investing in.
Don't tile simply because there's a wall available. Concentrating tiles where they're actually needed can save money and often creates a softer, more considered room.
Get the layout right before protecting the plumbing budget. Keeping everything where it is only saves money if the existing layout actually works.
Give a freestanding bath room to breathe. I like approximately 50cm either side. Otherwise, consider a beautifully designed built-in bath instead.
Invest in installation. A less expensive material fitted beautifully will invariably look better than an expensive one badly installed.
Check every concealed component and lead time before ordering. Your installer needs the bits behind the wall long before you get to admire the bits in front of it.
Know when to stop. Fewer, better-considered materials will often make a bathroom feel more expensive than adding more and more decorative finishes.
Before you order a single tap…
If you're currently planning a bathroom and have reached the stage where you have floor plans, tile samples, screenshots and several different versions of a shower saved to your phone, but you're not entirely sure whether it all works together, this is exactly the point at which my Help I'm Stuck consultancy can help.
We'll go through your layout and choices together, looking at how the room will actually work, what is worth spending on, where you could save and anything you need to check before placing orders.
By the end of the session, you'll have the confidence to move forward with your bathroom knowing the important decisions have been considered, before the tiles are ordered and, more importantly, before anything disappears behind a wall. I’d also use this no-em-dash style as the default for your journal copy going forward. It reads cleaner and feels more naturally like your voice.
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