What is the Most Expensive Part of a Bathroom Renovation?

You’re probably well aware that renovating your bathroom can make a massive improvement to the overall feel and value of your property. However, it can also be one of the most expensive home improvement projects.

Updating dishevelled en-suites and completing a full family bathroom transformation can be expensive, but how expensive depends on what you’re going for.

Unsure of what your total bathroom costs will be? Read on, as we give you a gauge of different expenses, advice, and some bathroom inspiration tips.

How to Successfully Plan a Bathroom Renovation

Good planning sets you on the track for success and, in our experience, is the difference between a smooth renovation and one that doesn’t tick the necessary boxes, but still leaves you out of pocket.

First up, set a realistic budget. Many overlook this, but it is key. Remember to include a contingency of 10 to 15% for any unexpected issues, such as hidden damp and outdated pipework.

Next up, what do you actually want for your bathroom project? A cosmetic refresh is very different from a full structural remodel that can involve relocating plumbing. The latter skyrockets overall costs.

Key steps for a successful plan include getting at least three quotes from licensed tradespeople, mapping out your timeline before work begins, and choosing fixtures and materials before contractors start. Delays caused by waiting on deliveries are one of the most common reasons renovations go over budget. If you’re working with a smaller space, a well-planned layout can make even a compact bathroom feel luxurious.

What Is the Hardest Part of a Bathroom Remodel?

The hardest part of a bathroom remodel isn’t choosing tiles, but rather managing the plumbing and waterproofing. Moving a toilet, relocating a shower drain, or rerouting pipework requires a licensed plumber, and any mistakes can lead to serious structural damage down the line. Waterproofing is equally unforgiving: invisible once the tiles go down, but catastrophic if done poorly.

The most expensive element in most renovations is the wet area work: plumbing, waterproofing, and tiling combined. Labour for these trades alone can account for 40 to 60% of your total budget. Other cost-heavy upgrades include underfloor heating, freestanding baths, custom cabinetry, and frameless shower enclosures. These are all worthwhile investments, but ones that need careful budgeting from the outset.

What Adds the Most Value to a Bathroom?

Homeowners tend to find value of their property increases when they focus on functionality and timeless aesthetics. This applies to the whole household, and bathrooms are no different.

Walk-in showers with premium tiling and a frameless screen are one of the highest-return additions you can make. Task lighting and other good layered lighting can transform the whole space almost instantly.

Built-in storage, floating vanities, and mirrored cabinets add everyday practicality that buyers notice immediately. Quality fixtures in a consistent finish, whether brushed brass, matte black, or polished chrome, tie everything together and signal quality throughout.

Bathroom Renovation Inspiration Ideas

Colour and Materials

Stick to a palette of two or three tones maximum.
Warm whites and off-whites age far better than stark, cool whites, which can look clinical under artificial light.
If you want to go dark, commit to it. Half-hearted dark tiling (one feature wall, everything else white) tends to look unfinished rather than intentional.

Tiles and Layout

Large-format tiles (600x600mm or bigger) make a small bathroom feel significantly larger by reducing the number of grout lines the eye has to process.
Laying tiles in a brick or herringbone pattern adds visual interest without needing to introduce a second tile.

Fixtures and Fittings

Brushed brass and brushed nickel are more forgiving than polished chrome, which shows every watermark and fingerprint immediately.
Wall-hung toilets and floating vanities free up floor space visually and make cleaning significantly easier.

Layout and Lighting

If you can move the door to swing outward or replace it with a pocket door, it reclaims usable floor space in smaller bathrooms.
Underfloor heating is worth the investment if you’re already lifting the floor, as it costs relatively little to add at that stage and makes a genuine difference in winter.

McRoberts are Here to Help

Wherever your inspiration comes from, the fundamentals stay the same: quality trades, solid waterproofing, and a clear plan. If you’re still searching for ideas, visiting our bathroom showroom is one of the best ways to see products up close and start bringing your vision together.

Get in touch to find out more about our showroom or how we can help you with your bathroom renovation.