Why keeping the layout is often the smartest move

Moving a loo, basin or bath means altering waste pipes, soil stacks, water feeds and often the floor or ceiling below. That is where the cost and mess explode. Keeping the layout lets you spend on what you actually see and touch: taps, tiles, lighting and storage. You can still make a dated bathroom feel completely different. The trick is to work with the existing pipe centres, drainage runs and electrical points, then upgrade everything around them.

Before you buy anything, take measurements. Note the distance between basin tap holes, bath filler centres and shower valve positions. Photograph the pipework under the basin and bath. Check whether your water pressure is gravity-fed or mains-fed; this affects which taps and showers will work well.

Replace the brassware for an instant lift

Taps and shower fittings are the jewellery of a bathroom. Swapping tired pillar taps for a modern basin mixer can transform a basin in under an hour, provided the tap holes are the same spacing. Look for ceramic cartridge valves and a finish that suits your scheme: brushed brass, matt black, chrome or nickel.

• Basin: choose a mono mixer if you have one tap hole, or a bridge mixer if you have two. Check the spout reach so water lands in the basin.
• Bath: a bath filler with a hand shower is practical. If you have a separate shower, a simple bath mixer may be enough.
• Shower: if your existing valve is exposed and pipe centres match, you can often swap the valve body without opening the wall. If it is concealed, replacing the cartridge may be the sensible refresh.
• Small extras: fit isolation valves while you are in there. They make future maintenance far easier.

Use PTFE tape on threaded connections and silicone grease on rubber washers. If you are not confident with compression fittings, call a plumber. A leak behind a tiled wall is a false economy.

Refresh tiles, grout and surfaces without a full strip-out

You do not always need to remove every tile. If the existing tiles are well bonded and flat, and the wall can take the extra weight, you can tile over them with a suitable adhesive and a keyed surface. This saves days of chipping and skimming. Check the substrate: plaster usually takes around 20kg per square metre, plasterboard more. If in doubt, ask a tiler.

If tiling over is not an option, consider a partial refresh. Replace only the tiles in the splashback or shower enclosure and keep the rest. A new grout colour and fresh silicone can make old tiles look remarkably clean. Scrape out failing grout, treat any mould, then regrout and seal with mould-resistant silicone.

Other surfaces matter too. A new bath panel can hide a tired side, and a resurfacing kit can revive a cast iron bath. For light scratches, a repair enamel may be enough. Always clean and dry surfaces before applying anything.

Upgrade lighting and ventilation safely

Bathroom lighting is often an afterthought, yet it changes how the whole room feels. Replace a single pendant with a mix of task and mood lighting: a bright, diffused light over the mirror and softer lighting elsewhere. In the UK, bathroom electrical zones apply. Fittings in Zone 1 and Zone 2 generally need at least IPX4, and the work must comply with BS 7671. If you are unsure, use a registered electrician.

Consider a shaver socket with a built-in light, or an illuminated mirror. An extractor fan with a humidity sensor or timer keeps damp air under control, protecting grout and paint. If your existing fan is noisy and weak, replacing it with a modern inline or ceiling unit is worthwhile, as long as the ducting route stays the same.

Add clever storage that fits the space you have

Clutter makes a bathroom look dated. Storage is the antidote. You can add a mirrored cabinet above the basin, a slim vanity unit around the existing basin, or a tallboy in a corner. If the basin waste is in the way, choose a vanity with a cut-out or a basin that sits on top with a trap inside.

• Wall-hung: makes the floor easier to clean and creates a sense of space, but needs a solid wall or suitable fixings.
• Recessed shelves: if you have a stud wall, a shallow niche between the studs is elegant and costs little.
• Over-door hooks and slim trolleys: useful for towels and bottles without drilling into tiles.
• Bath end storage: a simple caddy or a shelf across the bath can hold shampoo and soap.

Measure twice, drill once, and use the correct tile drill bits. Silicone or tile-safe adhesive can secure lightweight shelves without screws.

Plan the order of work and set a realistic budget

Even a layout-preserving update needs a sequence. Protect the floor and bath, isolate the water, and remove old fittings. Complete any first-fix plumbing and electrics before tiling. Tile and grout, then fit sanitaryware and brassware. Finish with silicone, lighting, mirrors and storage.

Taps and showers can range from budget to premium, tiles vary widely, and lighting and storage add up. Labour is often the biggest cost: a plumber and electrician may charge by the hour or day. Set aside a contingency of 10–15% for surprises behind the walls. If you hit a problem with pipework or wiring, stop and call a qualified trade.