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Knowing when a wall is genuinely ready for treatment again saves money, and the signs are consistent enough to check for yourself once a year. Start with the shaded elevations in late winter, which is the point at which growth is at its most visible. A faint green tinge on a north or east-facing wall at three or four years is entirely normal and does not require action. A definite green film that marks your hand when you draw it across the surface is the point at which treatment starts to be worth booking. Look next at the reliable strips. Behind and beside downpipes, beneath sills, along the base behind planting and in corners where air does not circulate. Growth returning in those places while the rest of the wall stays clear is telling you about water rather than about the treatment, and it usually means the cause is worth dealing with rather than the whole wall being retreated. Look for texture on the surface rather than only for colour. Early algae is a film. What matters more is the first appearance of small grey, white or mustard discs, because lichen establishing means the interval has been stretched and the next treatment will be a heavier one. Compare the wall against a photograph if you happen to have one, since the change is gradual enough that the eye adjusts to it without noticing. Properties in Histon treated on that basis, once green is genuinely returning across whole elevations but before lichen appears, get the cheapest possible visits and the longest possible intervals.
Handover here includes a short brief on what to look at between visits, and it is given because a customer checking their own wall once a year makes better decisions than one simply waiting to be contacted. The advice is deliberately brief. Look at the shaded elevations in late winter. Draw a hand across the surface at shoulder height and see whether it marks. Check behind downpipes, beneath sills and along the base. Watch for small grey or mustard discs appearing, since that is lichen and it changes the arithmetic entirely. Alongside that goes the maintenance list, which is shorter still. Keep planting cut back so walls can dry. Keep rainwater goods clear so water is not tracking down the face. Keep the base of elevations free of stored material. Pro Clean Xtreme provides all of that in writing with the handover documentation, along with photographs of every elevation as treated, which is the most useful comparison a customer can have three years later. What is not provided is a schedule of visits or an arrangement to be contacted repeatedly. A single reminder when the expected interval falls due is available to anyone who wants one, and nothing beyond that. The point of it is that a household able to judge its own walls will treat at the right moment rather than too early or far too late, and both of those cost money. Householders in Histon are welcome to send a photograph at any point and receive an honest opinion on whether a survey is worth arranging yet.
A question worth answering properly is what a further year of delay actually costs, because the answer changes considerably depending on how far a wall has already got. At the early stage, when a shaded elevation carries no more than a faint green film, delaying by a year costs almost nothing at all. Growth is superficial, and treating at four years rather than three produces the same job at the same price. At the middle stage, where green is continuous and black staining has already established, another year moves a property up within its band rather than out of it entirely. A semi-detached house that would have been £450 becomes £520 or thereabouts, because coverage has to be more generous and dwell longer. At the point where lichen first appears, the arithmetic changes sharply. Established colonies need extended dwell and frequently a second application at a further £120 to £250, so a year of delay at that stage can add several hundred pounds to a figure rather than merely tens of pounds. Beyond that point, delay stops being a question of price at all. Render kept permanently saturated crazes and cracks, and once a coating is failing the question is no longer cleaning but recoating it. Standard bands remain the reference throughout: £180 to £400 for single-storey buildings, £280 to £430 terraced, £400 to £620 semi-detached and £550 to £880 detached. Properties in Histon are graded elevation by elevation at survey, so the customer can see which of those stages a wall has actually reached and decide accordingly.
Remove years of dirt, grime, algae and staining for a cleaner, fresher finish.
Professional techniques designed to protect your surfaces while delivering outstanding results.
Keep your property looking its best with regular render cleaning.
Keep your property looking clean, fresh and well maintained with professional render cleaning in Histon. Over time, rendered walls can become affected by algae, moss, dirt, staining and other environmental contaminants, leaving the exterior looking tired and discoloured. Our professional render cleaning service is designed to safely restore the appearance of rendered surfaces without causing unnecessary damage.
Commercial glasshouse operations and protected cropping sites present render cleaning around structures and a growing environment that both demand unusual care. The rendered buildings are usually the support premises rather than the growing structures themselves: packhouses, grading and dispatch, offices, boiler and plant housing, staff facilities and storage. Those sit within a site dominated by glass, polythene, irrigation and crops under cultivation. Light transmission is a consideration almost nobody expects. Anything settling on glass reduces the light reaching a crop, and growers measure that carefully, so glasshouse structures within reach of a working area are sheeted or excluded entirely and application ceases in any wind that could carry solution toward them. Irrigation is the second major concern. Reservoirs, tanks, header systems, open channels and recirculating water are all identified and covered before equipment is unloaded, and the fall of the ground is established so run-off is directed away from any water used on a crop. Crop protection follows on from that. Growing beds, propagation areas, benching and anything under cultivation is protected or worked away from, and product volumes are kept to the minimum effective quantity by extending dwell rather than raising concentration. Timing follows the growing calendar closely, with the gap between crops or a planned changeover the usual working window. Documentation is issued with every quotation and frequently retained for assurance schemes: risk assessments, method statements, COSHH data sheets and public liability certification. Growers and site managers responsible for premises in Histon can arrange a survey, a written specification and a fixed price with a phased programme.
Founded in 2016 by Karl Crofts, Pro Clean Xtreme has grown from a dedicated one-man operation into a trusted family-run team. Joined by his wife Lindsay and family members Callum and Rachel, we pride ourselves on delivering professional, safety-first cleaning. By combining honest communication with continuous investment in the industry’s best low-pressure steam equipment and safe access systems, we deliver exceptional results for every residential, commercial, and industrial client.
Founded by Karl Crofts, delivering reliable local service for over a decade.
Our own tracked cherry picker provides safe access without walking on tiles.
Safe low-pressure steam cleaning, softwashing, and specialist pre-solar preparation.
Ten years of trusted, family-run service delivering high-quality workmanship on every project.
Whether your render has developed green algae, dark staining or general weathering, professional cleaning can make a significant difference to the appearance of your property. We take care to assess the condition and type of render before cleaning, helping us select an appropriate approach for the surface. This allows us to achieve thorough results while minimising the risk of damage to delicate or textured finishes.
We take immense pride in the reputation we have built across Cambridgeshire and the surrounding areas since 2016. As a family-run business, delivering exceptional customer service, honest communication, and high-quality workmanship is at the heart of everything we do. Read through our latest Google reviews to see why residential homeowners, housing associations, and commercial contractors consistently trust Pro Clean Xtreme to safely protect and restore their properties.
There is no fixed schedule as it depends on the property’s location, exposure and surrounding environment. Render that is shaded or surrounded by trees may require cleaning more frequently.
Yes. Professional render cleaning can remove algae and other organic growth that has developed across the surface.
The correct cleaning method should be selected based on the type and condition of the render. We assess the surface before cleaning to help ensure an appropriate approach is used.
Professional cleaning can significantly improve render affected by dirt, algae, organic growth and black staining. The final result can depend on the severity and age of the staining.
Yes. Render cleaning can be carried out on many types of residential and commercial properties, helping maintain a clean and professional exterior.
Getting an initial estimate for your property is completely effortless. Simply fill out the form below with your full property address, and our family-run team will utilise Google Earth before providing a quotation. Whether you are a homeowner, a housing association, or an installation company preparing a site, let us know your specific requirements and we will get back to you promptly with an initial assessment.