Ensuite Renovations | Blue Mountains Homes

The mountains ensuite, in three varieties

Carved out of a robe. Common in homes extended through the eighties and nineties. A long, narrow room, often a metre or so wide, with a corner shower, a single vanity and a toilet in a line.

Built into a sleep-out or back verandah. Very common in older upper mountains houses. The floor is timber over a subfloor that may be partly open to the weather, and the walls are thin. These rooms are cold, and they are where most of the condensation complaints come from.

Part of a newer extension. Better insulated, usually on a slab, often generous enough for a double vanity. These are mostly cosmetic updates with ventilation and heating improvements.

What makes the biggest difference

Replace the corner shower. A corner tray with a framed pivot door is the single worst use of space in a narrow room. A step-free tiled shower with one fixed glass panel usually keeps the existing waste, opens the floor visually and is far easier to clean.

Hang the vanity. A wall-hung unit with drawers, with the floor tile continuing under it, makes a narrow ensuite read as wider. Look at timber and timber-look vanities if you want warmth in the room — in a damp ensuite the material and the sealing matter a great deal.

Deal with the heat and the air together. A heated towel rail dries towels that would otherwise stay damp for days. Underfloor heating takes the shock out of a tiled floor in July. A ducted fan on a run-on timer removes the steam before it reaches the bedroom. Those three together change how the room feels more than any finish.

Tile to the ceiling. It removes the painted strip above the tiles, which in a cold ensuite is exactly where mould shows up first.

Light the mirror properly. A single downlight behind your head is useless for shaving or make-up. A lit mirror or wall lights beside it is a small cost in a small room.

Cold-climate detail that matters more in an ensuite

Because an ensuite is small, the surface-to-volume ratio is brutal: a lot of cold wall and window per cubic metre of warm, wet air. Practical measures while the room is open:

Insulation batts in the ceiling and in accessible external wall cavities
Subfloor insulation or at least enclosure where the floor sits over open space
A fan ducted to the outside, never into the roof
A door undercut or vent so replacement air can actually reach the fan
Sealing around the window reveal, which is a common draught and damp path

Moving fixtures

On a timber floor, moving a waste or relocating the toilet is realistic and often worth it, because an ensuite is small enough that a bad layout ruins the whole room. On a slab it means cutting concrete, which is priced separately so you can decide whether the better plan is worth it.

The most common worthwhile change is swapping the toilet and the vanity so the toilet is not the first thing you see from the bedroom, and so the vanity is not jammed behind the door swing.

Doing both rooms

If the main bathroom is also due, pricing them together makes sense: see full bathroom renovations. Many households stage the work instead — ensuite first while everyone uses the main bathroom, then the main bathroom once the ensuite is back. It takes longer overall and keeps a working shower in the house the whole time.

Benchtops

Engineered stone has been banned in Australia since 1 July 2024 and is not used. In an ensuite, a porcelain or ceramic top, a solid-surface top or a sealed solid timber top all work; the right answer depends on how much water lands on it and how it will be wiped down.

Cost and next steps

Ensuite pricing moves with the size, the floor, whether the layout changes and the finishes you choose. The cost page explains the planning tiers, and a free measure gives you a fixed written quote for the actual room.

The deposit on residential building work in NSW is capped at 10 per cent of the contract price. Renovation work is carried out in partnership with Coastal Renovation Group, a licensed NSW builder; licence and insurance details are provided on request.

Call 02 4705 3295 or send the room details through.

What to have ready for the measure

Photos from the doorway, plus the floor and the ceiling
Rough dimensions, even paced out
The decade the house was built, if you know it
Whether the floor is timber over a subfloor or a slab
Access notes: driveway, steps, parking on the street

Call 02 4705 3295

The rest of what we renovate

FAQs

Questions people ask before they commit

Why is the ensuite always the coldest room in the house?

Added-on ensuites often sit on an external wall, sometimes over an unenclosed subfloor, with little or no insulation and a window that was cheap at the time. Insulating the ceiling and floor cavity where it is accessible, upgrading the window if it is being replaced anyway, and adding floor heating deal with most of it.

Can a narrow ensuite be made to feel bigger without moving walls?

Usually. A wall-hung vanity with the floor tile running underneath, a frameless fixed panel instead of a framed pivot door, tiles taken to the ceiling and a mirror cabinet rather than a surface one all buy visual space without touching the structure.

Should the ensuite and main bathroom be done together?

Per room it costs less, because set-up, waterproofing attendance, the skip and tile delivery are shared across both. The trade-off is losing both rooms at once, which matters more in a house with one shower left.

Is the fan in an ensuite more important than in a main bathroom?

Arguably yes, because the door opens into a bedroom. Steam that is not removed goes into bedding, curtains and the wardrobe. A ducted fan on a run-on timer is the fix.

Can an ensuite be added where there is not one now?

Sometimes, if there is space, a sensible drainage run and the structure allows it. That is a bigger job than a renovation and may need approval, so it is assessed on site before anything is promised.

Ensuite Renovations for Mountains Homes