Commercial Exterior Cleaning Services Cape Town covers everything outside the building line: facades and painted plaster, cladding and panelling, roofs and gutters, signage and awnings, entrance areas, paving, parking, boundary walls and bin yards.
It is a programme rather than a method. Pressure washing is one technique used within it and glass is one surface in it. What this page is about is deciding which parts of the outside of your premises get cleaned, how often, and by what method, as a single annual schedule rather than a series of reactions.
Send the building footprint, the number of storeys and the external surfaces involved.
Get Exterior Cleaning QuotesCommercial Exterior Cleaning Services Cape Town Prices
Indicative ranges. External work is priced per square metre of the surface being cleaned, and access usually moves the number more than the area does.
| Surface | Indicative range | Notes |
|---|---|---|
| Facade soft wash, painted plaster | R35 – R80 /m² | Low pressure, detergent dwell |
| Cladding and panel washing | R28 – R65 /m² | Aluminium, composite and steel |
| Roof soft wash | R45 – R110 /m² | Access and pitch dependent |
| Gutter clearing and wash | R45 – R120 per metre | Autumn and pre-winter |
| Paving and walkways, pressure cleaned | R25 – R45 /m² | Standard hard standing |
| Oil-stained hard standing | R38 – R75 /m² | Degreaser and hot water |
| Boundary walls, moss and algae treatment | R30 – R70 /m² | Treatment, not just washing |
| Awnings and canopies | R850 – R3,500 | Fabric needs a gentler method |
| Signage cleaning | R450 – R1,600 | Illuminated signage handled cold |
| External glass, up to three floors | R2,500 – R9,500 per visit | Water-fed pole |
| Rope access glass and facade | R55 – R150 /m² | Certified operators, tested anchors |
| Bin yard sanitising wash | R1,800 – R5,500 | Periodic, more often in summer |
| Annual programme, small commercial building | R18,000 – R65,000 per year | All surfaces, scheduled |
| Minimum attendance | R1,200 – R2,500 | Once-off work |
Indicative ranges, not a quotation. Height is the variable that matters most. The same facade area costs two to three times more above the reach of a water-fed pole, because it needs rope access or a lift. Ask whether access equipment hire is inside the quote or added on top.
Get the whole exterior priced as one programme.
Compare Exterior QuotesSoft Washing or High Pressure?
This is the decision that determines whether exterior cleaning maintains your building or slowly destroys it, and it is the single most common thing contractors get wrong. High pressure is for hard, sound, unpainted surfaces. Everything else wants low pressure and a chemical that does the work instead.
| Surface | Method | What high pressure does to it |
|---|---|---|
| Concrete paving and aprons | High pressure | Nothing, it is the right tool |
| Painted plaster and facades | Soft wash | Strips paint, drives water into the wall |
| Face brick and mortar joints | Low pressure | Erodes mortar, causes damp ingress |
| Cladding and painted steel | Soft wash | Forces water behind panels |
| Roof sheeting and tiles | Soft wash | Lifts sheets, cracks tiles, floods ceilings |
| Timber decking and screens | Low pressure | Raises the grain, splinters the surface |
| Awning fabric | Hand or soft wash | Tears stitching and coating |
| Heritage plaster and stone | Hand or very low | Irreversible surface damage |
Soft washing looks slower because it is. The detergent needs contact time to do what pressure would otherwise do by force, and a contractor rushing that will end up increasing the pressure. If a quote for a painted building is notably cheaper than the others, ask what pressure they intend to use before you accept it.
Setting the Cycle for Cape Town Conditions
- Atlantic Seaboard and West Coast. Salt and wind-driven sand. External glass, frames, balustrades and signage need short cycles, and untreated metalwork benefits more from regular freshwater rinsing than from occasional deep cleaning.
- Southern Suburbs and the mountain side. High winter rainfall and deep shade. Algae and moss on paving, walls and north-facing roofs regrow within a season of a wash, so a treatment after cleaning holds far longer than washing more often.
- Northern Suburbs and inland. Dust rather than salt through long dry summers, which loads facades, glass and signage and wants a cycle set by wind rather than rain.
- Autumn, everywhere. Gutters and downpipes before the first serious rain. A blocked gutter causes damp and staining that costs far more to remedy than the clearing would have.
- Wind days. Facade and glass work cannot run in a strong south-easter. Expect external work to be booked into a window rather than on a fixed date, and agree up front whether a standby day is charged.
Water Use and Restrictions
Exterior cleaning is water-hungry and Cape Town has periodic restrictions, so it is worth asking any contractor how they handle it before you commit to a programme. The practical answers are reclaim systems that capture and filter wash water, low-volume soft-wash equipment that uses a fraction of what open pressure washing does, and non-potable or borehole supply where the site has it.
Check the current restriction level before scheduling rather than assuming, since what is permitted for commercial cleaning changes with it and can include conditions on hosepipe use and runoff to stormwater. A contractor who cannot tell you how they comply is not one to book a large facade job with.
Building One Annual Programme
The reason to treat the exterior as a programme rather than a set of jobs is that the surfaces fail on different clocks. Gutters are annual and seasonal. Paving and bin yards are quarterly. Facades and roofs are every one to three years. Glass is monthly to quarterly depending on where you are.
Set out as a schedule with frequencies and prices attached, it becomes a predictable budget line and nothing gets left for five years. Bought reactively, the work arrives when a tenant complains or a landlord inspects, and by then the facade needs restoration rather than cleaning.
Frequently Asked Questions
What is soft washing and when is it used?
Low-pressure application of a cleaning solution that is given contact time to break down dirt, algae and staining, then rinsed. It is used on painted plaster, cladding, roofs, timber and anything else that high pressure would damage, which is most of a building's exterior.
Can our painted building be pressure washed?
It should not be. High pressure strips paint and drives water into the wall behind it, causing damp that shows up months later. Painted facades need a soft wash. Ask a contractor what pressure they intend to use before work starts.
How often should a commercial facade be cleaned?
Every one to three years for most buildings, at the shorter end on the coast where salt and wind-driven sand load the surface, and where shade and winter rain drive algae growth. Signage and glass run on much shorter cycles than the facade itself.
Why does algae keep coming back on our paving and walls?
Because washing removes the growth but not the spores. In shaded, damp parts of the metro it regrows within a season. A treatment applied after cleaning holds it back considerably longer and works out cheaper than washing repeatedly.
How do water restrictions affect exterior cleaning?
What is permitted changes with the restriction level, and can include conditions on hosepipe use and runoff. Ask contractors whether they use reclaim systems, low-volume soft-wash equipment or non-potable supply, and check the current level before scheduling a large job.
Does height change the price much?
Substantially. The same facade area costs two to three times more above the reach of a water-fed pole, because it needs rope access or a lift. Confirm whether access equipment hire is inside the quote or billed separately.
Should gutters be part of the cleaning contract?
They are worth including as a scheduled autumn item. A blocked gutter causes damp, staining and sometimes ceiling damage, all of which cost far more to put right than clearing would have. It is commonly priced per metre.
Exterior programmes sit alongside the internal services quoted through Commercial Cleaning Cape Town, and are often contracted together.
Related Cleaning Services
Commercial Cleaning Cape Town is a free quote-matching service. The cleaning is carried out by the independent local cleaning companies that quote you, and your contract is with the company you appoint. Assess each quote on its own merits before appointing anyone.
Describe the job once and compare quotes from LEADERR APPROVED cleaning companies in your area.
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Send the building footprint, the storeys and the external surfaces, and compare quotes for a full exterior programme.
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