This is thanks to how the Saniflo macerating unit churns the waste from the toilet into a liquid effluent that can easily be pumped through such pipes. Effectively the only thing in the room was the actual toilet pan and a sink (wall cupboard for toilet rolls etc)www. To fit a downstairs toilet and basin, a plumber will often work on their own to complete the work and will take anywhere between 2-4 days. Make good use of all of the available space in your home and see what a difference an under stairs toilet https://sigmaconstruction.uk/toilet-under-stairs-.html can make to you and your family. A toilet and basin alone will cost between £200-£500 depending on quality. However small your new toilet may be, you still need to comply with all building regulations although planning permission may not be required unless you live in a listed building. A door was fitted in the hallway, about halfway along the stairs and a wall built around. \nGet started on your under the stairs transformation project and take inspiration from these genius designs. \nCreate a seating spot\n\nBuild the ultimate entertainment den under the stairs with a simple bench and some shelving. We take our customers’ height measurements into account in terms of estimating how much headroom will be necessary and work out the toilet and sink sizes that will fit into the space accordingly. Get started on your under the stairs transformation project and take inspiration from these genius designs. Photo of a contemporary cloakroom in London with flat-panel cabinets, dark wood cabinets, a wall mounted toilet, multi-coloured walls and a wall-mounted sink. Just looking to find out how much roughly it would be to install an under the stairs toilet. Light blue walls, water closet under stairs, powder room under stairsClassic cloakroom in London with white tiles, mosaic tiles, mosaic tile flooring, a wall-mounted sink and white floors. Not sure of cost but we have a small toilet and the best part is having tiny sink with storage cupboard underneath, like thiswww. A new - smaller cupboard was made to fit under the rest of the stairs. All you need to know about installing a downstairs toilet including costs of materials, labour and time frames. The key to keeping costs down when installing a downstairs toilet is to keep things simple, but you will need at least a small wash basin plus some sort of ventilation and a light source. The toilet is fixed to a small wall - about 4 feet high at the back of the stairs. On average adding a new downstairs toilet will take about 10 days to complete.