Are you looking for a bathroom renovation in Lancy, whether your home is an apartment in Grand-Lancy, a building in Petit-Lancy or a house surrounded by greenery? This kind of job brings together several trades and depends greatly on the building, its age and its status: the same shower is not installed the same way in a house and in a rental block.
This page helps you understand the usual works, the steps to plan for and how to prepare your request, so that tradespeople in the area can reply precisely.
Bathrooms in Lancy: the most requested works
Lancy is a Geneva commune to the south-west of the city, made up of two main areas, Grand-Lancy and Petit-Lancy. It has apartment districts, houses and parks. This variety shows in the requests:
- Replacing sanitaryware: basin, vanity unit, WC, taps, sometimes the whole set at once.
- A walk-in shower in place of a bathtub that has become impractical, with a floor drain.
- Replacing or keeping the bathtub, when the family values it.
- Waterproofing and tiling, often the real reason for the renovation: tired joints, leaks, a floor that sounds hollow.
- Ventilation, too often forgotten, although it protects walls and ceilings from damp.
- Electrics in wet areas, with lights, sockets and switches placed according to the NIBT rules.
- Accessibility, meaning adapting the room to the age of its occupants.
Three trades share most of the work: the plumber, the tiler and the electrician. The order in which they work matters: pipes and circuits first, then waterproofing, with tiling and fitting the fixtures at the end.
Rental buildings in Lancy: shared risers, neighbours and the agency
A large part of Lancy’s housing stock is rental buildings, many of them managed by agencies, as in the rest of the canton of Geneva. This changes how you approach a bathroom.
Shared risers. Water supply and drainage in a building run through risers that serve several flats. If your project touches a valve, a drain or a shared pipe, the work may mean cutting the water to your neighbours. You then need to warn them and coordinate with the property manager or the caretaker.
Neighbours. The noise of demolition, dust in the stairwells, tradespeople coming and going: all of this is part of life in a shared building. A lower floor that is sensitive to leaks makes waterproofing particularly important. A leak under a hastily installed shower is paid for by the neighbour below.
Site access. Lift or stairs, size of the cabin, whether a large piece of furniture can be brought up or rubble taken down: this affects the tradespeople’s work and should appear in your request. Lancy’s good transport links, with Lancy-Pont-Rouge station on the Léman Express, do not remove the need to think about what goes in and out of the building.
Tenant or owner in Lancy: who decides what
- Tenant: you need the consent of the landlord or the agency before changing the bathroom. Ask for it in writing, describing what you want to do, and keep the reply.
- Owner of a co-owned flat: the inside of your bathroom is in principle yours, but the risers, load-bearing walls and façade are common parts. Check the co-ownership rules and speak to the administrator before changing anything that affects them.
- Owner of a house: you decide alone, within the limits of building and electrical safety rules. This is also where adapting for staying at home is easiest to plan.
Houses and parks in Lancy: thinking about age today
In the districts of houses, many owners want to stay at home as long as possible. A bathroom with a high bathtub, a slippery floor and little space soon becomes an obstacle. Adapting it generally involves:
- replacing the bathtub with a level-access shower;
- providing supports or reinforcements in the partitions, even if the grab bars are not fitted straight away;
- choosing a non-slip floor covering;
- leaving room to move in front of the basin and the shower;
- paying attention to lighting.
If the bathroom is on the upper floor of a house, access to that room is also a question. A tradesperson can advise you on site.
Older buildings in Lancy: damp, ventilation and electrics
In older buildings and houses, the surprises are hidden behind the tiles: substrates damaged by years of damp, old pipes to replace, a windowless room whose ventilation relies on a simple duct. A serious renovation looks at the condition of what is there before choosing the finishes.
Ventilation deserves particular attention. A Geneva climate with mild winters on the plain and hot summers in town does not eliminate condensation: a poorly ventilated wet room stays damp in every season. The choice of a suitable system is discussed with the plumber and, depending on the building, with the property manager or the co-ownership.
As for electrics, a bathroom is subject to its own rules, those of the NIBT standard for wet areas. Sockets, lights and appliances cannot be placed just anywhere around the shower or basin. Call an electrician and do not tinker with these circuits.
Permits and Geneva rules for a bathroom in Lancy
In the canton of Geneva, building permits are issued by the canton, through the building permits office. An interior renovation like for like does not generally need one, but a change that affects the façade, the structure or a protected building may require one. Always check with the commune of Lancy or the relevant cantonal service before you start.
The canton also has protected districts and buildings. If your building or house is concerned, the constraints may apply to the exterior, such as a window or a ventilation outlet. Again, finding out beforehand avoids a stop-work order.
On energy, the canton has an energy law (LEn) and a cantonal energy office (OCEN), on which the subsidies of the Buildings Programme depend. A bathroom on its own does not necessarily fall within this framework, but if your renovation comes with work on the building envelope or heating, find out from the relevant service before signing anything.
Requesting a bathroom quote in Lancy: describe, compare
The more precise your request, the easier the quotes are to compare. Remember to state:
- the address in Lancy, the type of building (apartment block, house, co-ownership), the floor and the access;
- your status: tenant, owner, co-owner, and whether the agency’s consent has been obtained;
- what exists (bathtub, shower, window or not) and what you want to end up with;
- any wish to adapt the room for age;
- whether you want to keep the current layout or move the fixtures;
- your scheduling constraints, for example the absence of a second bathroom.
A good quote itemises each line: demolition and removal, plumbing, waterproofing, tiling, fixtures, electrics, ventilation, making good. Check who supplies the materials, what is included in the finishes and what is left out. A vague quote on waterproofing or connections is a warning sign.
The cost depends on the floor area, the condition of the substrates, whether pipework is moved, the choice of fixtures and tiles, access to the home and the number of trades. Only a visit allows a judgement. To start the process, you can request a quote: your request is passed on to tradespeople in the area, who contact you to prepare a free, no-obligation quote.
To complete your project in Lancy
- The trade: bathroom renovation
- The commune: works in Lancy
- The canton: canton of Geneva
- In the same commune: carpenter in Lancy, solar panels in Lancy, heating engineer in Lancy
Updated 29 October 2026