Start With the Shell, Not the Suite

In a cottage, the bathroom is rarely a neat rectangle. You are likely working around a low ceiling, an exposed tie beam, a chimney breast, a window set deep into thick walls, or a slope that drops to knee height under the eaves. Before you fall for a suite you have seen online, spend an evening with a tape measure and a pencil.

Draw the room to scale on graph paper, then cut out paper templates for the bath, basin, WC and any storage. Tape them to the floor and walk around them for a day or two. It sounds fussy, but it saves expensive mistakes. Aim for roughly 700mm of clear floor in front of a basin and WC, and check head height where you will actually stand — 1,900mm is comfortable, 1,800mm is workable if it is only over a bath. Remember to allow for a door swing, a radiator, and the arc of a towel rail.

Bath Choices for a Tight Footprint

A freestanding tub is the centrepiece most people want, and cottages can take one — just not a 1,800mm double-ended monster. A compact slipper bath, around 1,500mm to 1,600mm, suits a period interior and leaves floor visible around it, which makes a small room feel larger than a built-in bath with boxing.

• Reclaimed cast iron holds heat far better than acrylic, but weighs in the region of 150kg empty. Check your joists, and consider a structural opinion before you fill it.
• Re-enamelled originals are widely available and often cost less than a new reproduction, with the bonus of genuine age and honest wear.
• Acrylic or stone-composite versions are much lighter and easier to fit where floor structure is doubtful, though they cool faster and need a good-quality tap and waste to avoid looking cheap.
• Shower over bath only works if headroom above the bath exceeds roughly 1,900mm and you are happy with a screen rather than a curtain. In low cottages a separate walk-in shower in a former cupboard or lean-to is often the better answer.

Panelling and Wall Finishes That Breathe

Tongue-and-groove panelling is the single most effective way to make a cottage bathroom feel intentional rather than improvised. Take it to dado height — usually 900mm to 1,100mm — and finish with a capping rail. In shower and splash zones, use moisture-resistant MDF or a well-sealed softwood, primed on all faces including the cut edges, then painted in a durable water-based eggshell.

Above the panelling, resist the urge to seal every surface. Many old cottages have solid lime-plastered walls that need to manage moisture. A breathable paint lets the wall dry outwards; vinyl silk and cement-based renders trap damp and push it into the timbers. Tiling the whole room can also deaden the space. Consider a tiled splashback only, or half-height tiling with paint above, and keep a couple of spare tiles in the loft.

Salvaged Fittings and Period-Appropriate Details

Salvage yards, reclamation centres and architectural antiques dealers are goldmines for cottage bathrooms. Look for a small Victorian basin with a pedestal, a cast iron radiator, a plain mirror with foxed silvering, or a heavy brass towel rail. Check for cracks, hairline crazing and missing brackets before you buy — replacements are often harder to source than the item itself.

For taps, traditional cross-heads look right and can now be bought with ceramic cartridges, so they feel smooth rather than stiff. Chrome is the safe choice; polished nickel and aged brass sit more warmly against old timber and stone. Unlacquered brass will patina over time, which suits a period room but needs a relaxed attitude. If your cottage runs on a tank-fed gravity system, confirm the shower will work before you buy — a low-pressure mixer or a pump may be required.

Light, Air and Keeping Damp at Bay

Ventilation matters more in an old house than a new one. Fit a humidity-sensing extractor fan ducted properly to an outside wall — not into the loft — and keep trickle vents clear. If you have a window, open it daily for a few minutes even in winter; short bursts of air exchange are better than leaving it ajar all day.

Light in layers. A pair of wall lights either side of the mirror flatters faces far better than a ceiling downlight, and everything in the bathroom zones should be suitably IP-rated. Choose warm bulbs around 2,700K. A dimmable circuit is a small luxury that makes an evening bath feel considered. A traditional-style heated towel rail or a slim column radiator keeps the room usable and helps dry the space out.

Storage and the Smallest Room in the House

In a cottage, storage should be built in, not bought. Stud walls are usually deep enough for shallow recessed shelving, and a chimney breast alcove makes an ideal cupboard or a fitted mirror cabinet at 120mm to 150mm deep. Under-basin tongue-and-groove cupboards hide pipework and cleaning kit, while a simple shelf above the WC keeps daily items to hand.

• Fit hooks and robe hooks generously — they cost little and take up no floor space.
• Use the back of the door for a slim hanging rail or a folding laundry bag.
• Keep a shallow shelf behind a freestanding bath for soap, a candle and a glass.
• Choose a mirror cabinet that is no deeper than the basin below it, so you do not bang your head.

Done well, a cottage bathroom does not shout. It sits quietly within the building, using materials and proportions that belong there, and it works hard every day without asking for attention.