Tile & Grout Cleaning near you

The core of a professional tile and grout clean is that the dirty solution is removed rather than spread. A cleaning agent is applied and left long enough to break down the soil, the joints are agitated with brushes so the chemistry reaches the bottom of the profile, and then a hot-water tool under pressure flushes the floor while vacuum recovery lifts the water straight back out. HSE's own advice on floor cleaning makes the same point in the opposite direction: give detergent enough time to work, and make sure the method suits the floor you have, because an ineffective method leaves both the soil and the water behind.

The residue question is the one that surprises people. Repeated mopping with a general-purpose detergent, particularly at too strong a dilution, leaves a film that is itself slightly tacky and attracts soil. A floor that gets dirty faster after every clean is usually telling you that it has a residue problem, and the first professional clean on such a floor is as much about stripping that film as about removing dirt.

After the floor has dried, sealing the grout is worth discussing. An impregnating sealer does not make grout waterproof or stainproof; it slows absorption so that spills can be lifted before they soak in, and it wears. Colour-sealing, which puts a pigmented coating over the joint, is a different product with different consequences — it can look excellent and it can also fail patchily, so ask what happens at the end of its life before agreeing to it.

Slipperiness is not a matter of opinion. HSE's technical information sheet on assessing the slip resistance of flooring describes the pendulum coefficient of friction test — the subject of BS 7976 Parts 1 to 3 — in which a rubber slider swings across the floor and the loss of momentum is converted to a pendulum test value, or PTV. HSE reproduces the slip potential classification: a PTV of 0 to 24 is high slip potential, 25 to 35 is moderate, and 36 or above is low. Slider 96 rubber is used for assessing shod pedestrian areas and Slider 55 for barefoot areas, which is directly relevant to a bathroom or a wet room.

The sheet also explains the roughness approach, which is quicker and often more practical on site. Measuring the Rz surface microroughness parameter predicts slipperiness in water-wet conditions for a range of common materials, and HSE reproduces the classification for water-wet pedestrian areas: below 10 micrometres is high slip potential, 10 to 20 micrometres is moderate, and 20 micrometres or above is low. HSE is careful to add that this applies to water contamination — with other contaminants a higher level of roughness is needed to bring slip potential down.

This matters for cleaning because a floor's roughness can be changed by what is done to it. Etching a polished stone with an acid, polishing a textured porcelain with an aggressive pad, or leaving a film of sealer or detergent residue over a profiled surface all alter the number in the direction you do not want. If the floor is on a route where a slip would be serious — a step, a shower area, a hallway that takes wet shoes — say so before the work starts, because the safest method and the most dramatic-looking method are not always the same one.

The chemicals that shift heavy grout staining are not mild. Strong alkaline degreasers, acidic descalers and solvent-based strippers all appear in this trade, and a bathroom is a small, poorly ventilated space to be using them in. Where the work is being done as work, the Control of Substances Hazardous to Health Regulations 2002 apply, and regulation 7 sets a clear order: exposure must be prevented, or where prevention is not reasonably practicable, adequately controlled — with prevention approached first by avoiding the substance, so far as is reasonably practicable, by replacing it with a substance or process that eliminates or reduces the risk.

Where control measures are needed, regulation 7 puts them in a hierarchy that ends, not begins, with personal protective equipment: appropriate work processes, systems and engineering controls and suitable equipment and materials first, then control at source including ventilation and appropriate organisational measures, and only then PPE where adequate control cannot be achieved by other means. In a domestic bathroom that translates into ventilation and the right product at the right dilution before it translates into a mask.

One rule is worth stating plainly for anyone tempted to tackle this themselves: never mix cleaning products, and in particular never combine a bleach-based product with an acidic descaler. Beyond that, keep pets and children out of a room that has been treated until it has been rinsed and ventilated, and remember that a floor left wet during cleaning is itself the hazard HSE identifies — the cleaning process introduces slip risks while it is under way.

Floor area is only the opening figure. The variables that matter are the tile material and how much care its chemistry demands, the length of grout line per square metre — small mosaic has an enormous amount of joint and a large-format porcelain floor very little — how much furniture has to move, whether there is an existing sealer or wax that must be stripped first, whether the joints need colour-sealing or raking out, and whether the machinery can be got to the room with a hose run and a power supply. A stone floor that needs honing rather than cleaning is a different trade and a different price.

LokalMatch handles only the introduction. Describe the floor once — material, rough area, what has gone wrong with it — add your postcode, and specialists covering your area will contact you with their own assessment and their own prices. Homeowners are never charged for this; the businesses pay for the enquiries that come to them. LokalMatch does not clean anything, does not influence what is charged, and does not vet, rank or recommend the firms that get in touch, so ask each one for a trial patch and compare what they propose to do.