Professional Renovation of a Marble Staircase in Kensington
We were recently contacted by a property management company responsible for maintaining several residential buildings in the Kensington area regarding a Marble staircase at one of the properties they manage. The company were not satisfied with the condition of the staircase, which had become dull and worn over time, losing the clean bright appearance the Marble originally had.
Although Marble is a highly durable natural stone, it can gradually lose its original appearance through heavy use and incorrect maintenance. As Marble becomes worn over time, it begins to hold dirt and contamination within the surface micro-pores, causing the stone to lose clarity.

Household cleaning products and basic polishing treatments aren’t sufficient to properly restore heavily worn marble and we have found the best method is to mechanically polish the stone using a set of diamond burnishing pads of different grits from coarse to fine. This is relatively straight-forward when working on a large floor however a staircase is much trickier.
Undeterred I put forward a plan that would utilise smaller pads and tools and set a date for the work to start.
Deep Cleaning a Marble Staircase
The first stage involved deep cleaning the staircase using Tile Doctor Pro-Clean which is a strong alkaline cleaning agent that’s safe to use on Tile and Stone. It breaks down ingrained dirt, residues, and surface contamination without affecting the marble, ensuring the surface was properly prepared before restoration began.
Once cleaned, the staircase was restored using the Tile Doctor diamond burnishing system. The process began using lower grit diamond burnishing pads before progressing through finer grits to gradually refine the marble surface and restore a smoother, more even finish throughout the staircase. The restoration sequence consisted of 400, 800, and 1500 grit diamond burnishing pads.
Due to the level of wear and contamination within the Marble, several areas required repeated treatment and multiple passes using the diamond burnishing pads before a consistent finish could be achieved.
Because staircases contain edges, risers, and detailed sections, smaller hand-held machines and diamond tools were also used throughout the process to ensure a consistent finish across all areas.
Once the refinement stages were complete, the Marble was finished using the final 1500-grit stage of the Tile Doctor diamond burnishing system to enhance clarity, brightness, and natural reflectivity without the use of topical coatings or artificial shine products.
Sealing a Mable Staircase
Once the staircase was thoroughly cleaned and dry it was sealed using Ultra Seal from the Tile Doctor range. This is a penetrating impregnating sealer designed to protect the Marble against future staining, moisture penetration, and re-soiling while maintaining the natural breathability of the stone.
Following the restoration process, the Marble staircase was noticeably improved, with a much cleaner and brighter appearance throughout. The restored finish improved the overall brightness of the hallway and brought back the natural character of the Marble.

The property management company were pleased with the result and satisfied that the staircase had been successfully restored without the need for expensive repairs. For future maintenance cleaning I recommended the use of Tile Doctor Neutral Tile Cleaner, it’s a mild yet effective cleaning product that doesn’t contain anything that might impact the grout colourant.
Professional Restoration of a Marble Staircase in Central London
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