Castle Hill is a well-established Sydney suburb with a strong community feel and a diverse mix of housing styles. Many homes in the area were built between the 1960s and 1990s, alongside newer infill developments. Unique Bathrooms has been transforming bathrooms across Castle Hill and the wider The Hills Shire Council area for over 20 years.
Local homeowners are increasingly choosing to renovate rather than move. Popular upgrades include modernising outdated layouts, improving storage, adding better lighting, and creating more functional spaces for families and busy professionals. Whether you’re after a budget-friendly refresh or a complete luxury renovation, our team delivers exceptional results on time and on budget.
We offer free, no-obligation on-site quotes across Castle Hill and all surrounding suburbs Monday to Saturday. Call us on 0449 868 081 or use our renovation cost calculator below for an instant estimate.
Why Choose Unique Bathrooms
Locals across Castle Hill trust us for transparent pricing, quality workmanship, and a renovation process that’s completely hassle-free from start to finish.
No nasty surprises. What we quote is what you pay — guaranteed.
Every job is waterproofed to Australian Standards and backed by our industry-leading 20-year warranty.
We respect your time. Our project managers keep renovations on schedule.
All trades are fully licensed, insured, and background-checked for your peace of mind.
Our Work
We Do More Than Bathrooms
From kitchens to laundries, we handle complete wet-area renovations under one roof.
Bathroom Renovations
Full bathroom transformations — from budget refreshes to luxury full-gut rebuilds.
Kitchen Renovations
New benchtops, cabinetry, splashbacks, and appliance fit-outs to modernise your kitchen.
Laundry Renovations
Functional, stylish laundry upgrades with quality joinery, tiling, and plumbing.
Ensuite Renovations
Luxurious ensuite makeovers with frameless glass, heated floors, and premium fixtures.
Waterproofing
Professional waterproofing to Australian Standards with our 20-year written warranty.
Tiling
Expert tiling across all formats — rectified, mosaic, large-format, and everything in between.
⚡ Live Price Calculator
Tick the items you need and your estimate updates in real time — no waiting, no commitment. Takes about 60 seconds.
Estimates are indicative only. Final pricing depends on site conditions, material choices, and council requirements. GST included.
We'll send your estimate and follow up to discuss your bathroom renovation.
Real Customer Reviews
Service Area
We service Castle Hill and all surrounding suburbs in the The Hills Shire Council area. Free on-site quotes available Monday to Saturday.
What makes a Castle Hill bathroom renovation straightforward or difficult is usually decided before any tile is chosen: whether the room is on a slab or a timber subfloor, where the existing waste and stack sit, and how much structural change the layout you want would require. We establish that first.
Design Direction
Seamless applied finishes are appearing more often in Castle Hill bathrooms as an alternative to tile, particularly in powder rooms and feature walls. Done properly over a correctly prepared and waterproofed substrate they give a continuous surface with no grout at all. Done badly they craze and stain. It is a finish that depends almost entirely on applicator skill and on the membrane underneath, so it is not a place to take the cheapest quote.
A great many Castle Hill bathrooms are between three and five square metres, and in that range every decision is a spatial one. Wall-hung fittings, a frameless screen instead of a framed one, large-format tile to reduce grout lines, and a single continuous floor surface all make a small room read as larger. Layout matters more than finish - we will often move a door swing before we discuss tiles.
Compare inclusions, not headline numbers. Check whether waterproofing is specified to AS 3740, whether the quote is fixed or an estimate, whether fixtures are itemised or a provisional allowance, and what happens if damage is found. A cheaper Castle Hill quote that excludes the unknowns is not cheaper by the end.
The quote itemises exactly what is included. Common exclusions are things that cannot be known before strip-out, such as concealed structural damage or asbestos, and those are identified and priced separately if found. There are no margin adjustments applied after the fact on a Castle Hill job.
Most Castle Hill clients do, provided there is a second bathroom available. The room itself is unusable for the duration and there are noisy days during strip-out and tiling. If it is the only bathroom in the house we will talk through the sequencing options before we start.
Castle Hill sits within the The Hills Shire local government area, one of 15 suburbs we service across the council. If you are comparing quotes for a bathroom renovation nearby, these are the other The Hills Shire areas our team covers:
Annangrove · Baulkham Hills · Beaumont Hills · Box Hill · Cattai · Glenhaven · Glenorie · Kellyville · Maraylya · North Kellyville · Norwest · Round Corner · Rouse Hill · West Pennant Hills
Also Popular in Castle Hill
Electric underfloor heating has become a common inclusion in Castle Hill bathroom renovations rather than a luxury item. Laid in the screed under tile it takes the edge off a cold floor, and it dries the room faster after use, which helps with mould. Run on a timer and thermostat the running cost is modest. It has to be laid during the build, so it is an early decision, and it pairs naturally with a heated towel rail on the same circuit.
A Castle Hill bathroom renovation follows a fixed sequence: strip-out, rough-in for plumbing and electrical, sheeting, waterproofing, cure time, screed and tiling, then fit-off and silicone. The order cannot be shuffled - waterproofing must cure before tiling, and fit-off cannot begin until tiling is grouted. Knowing the sequence makes the timeline predictable, and it explains why the apparently quiet weeks in the middle are the ones that determine whether the room lasts.
People expect tiling to be the long part of a Castle Hill renovation, but the schedule is usually decided by strip-out discoveries and waterproofing cure time. Strip-out takes one to two days and tells us whether the substrate is sound. Rough-in and sheeting take several more. The membrane then needs to cure properly before any tile is laid - compressing that is the single most common cause of a bathroom failing early.
What We Do
Fixed-price quotes across all renovation types — we handle everything from a single bathroom to a full home update.