Bathroom renovation in Sofia: cost and process

A bathroom is small in floor area, yet it is one of the most complex rooms to renovate. Plumbing, waterproofing, tiling and electrics all come together in a tight space, with a high proportion of hidden work. That is why the price and the timeline depend heavily on the specific property, and the exact figures come after a site visit. Below is what determines the price and how a bathroom renovation in Sofia unfolds.

What determines the price

First, the layout: if the toilet, shower and basin stay where they are, that is one thing; if they move, new plumbing runs are needed and the price goes up. Second, the condition of the building: an old prefab panel block or brick building with worn-out risers needs more work than a new property. Third, the scope of the plumbing and electrical work. Fourth, the class of tiles, sanitaryware and taps. That is why two bathrooms of the same size in Sofia can differ considerably in price.

Why waterproofing is the most important hidden job

In a bathroom, waterproofing protects against leaks into the neighbours’ apartment below – and in Sofia’s residential buildings, that is among the most unpleasant and expensive problems there are. So waterproofing the floor, and up the walls in the wet zone, is no place for compromise or haste. It goes on after the screed and before the tiles, with the necessary time to dry. A day saved here can cost an expensive repair to someone else’s apartment later.

The process step by step

Strip-out – removing the old tiles and sanitaryware, down to the substrate if necessary. This is often when the real condition of the pipes and walls comes to light.

First-fix plumbing and electrics – new water supply and drainage runs, replacement of the risers if needed, connection points for the taps, preparation for a concealed cistern or shower; electrical points for lighting, the water heater, the washing machine and the extractor fan. This is where the bathroom’s functionality is decided for years to come.

Waterproofing and screed – levelling the floor, applying waterproofing across the floor and up the walls in the wet zone, and waiting for it to dry before the tiling starts. This stage is not rushed – drying is a precondition for everything that follows.

Tiling – laying ceramic and porcelain tiles on the floor and walls, then grouting. The precision here determines how the finished bathroom looks.

Fitting and finishing – sanitaryware, taps, shower or bath, cistern, lighting, extractor fan, accessories, silicone sealing and a final clean. Finally, everything is checked for leaks.

Common mistakes that cost more later

Missing or poorly applied waterproofing; no ventilation, which later leads to damp and mould; choosing sanitaryware and tiles at the last minute, which holds up the installation; moving the toilet without allowing for the fall of the drainage pipes. Good practice is the opposite: every choice made before the start, and no compromise on waterproofing.

Timeline

Realistically, a bathroom renovation takes several weeks, because there are drying times to wait for – screed, waterproofing, grout. These pauses cannot be compressed without putting quality at risk. The exact timeline depends on the scope and is fixed after a site visit.

For a price and timeline for your bathroom in Sofia, book a free site visit. Afterwards you will receive a written quote with the work and stages spelled out, tailored to the condition of the property and the specifics of the building.