Render Cleaning in Warrington and Lymm

High Quality, Professional and Affordable Render Cleaning Service in Warrington and Lymm

Warrington and Lymm are historic market towns nestled within the North of Cheshire, with both towns hosting ornate render facades, both new and old. This effect adds character to a property, giving a classic, tasteful impression and is frequently in keeping with the wider aesthetic of the towns, particularly rural Lymm. However, rendered surfaces quickly accumulate pollutants, both organic and inorganic in nature, most frequently visible as red or black streaks down the face of the façade. To restore the render to its original condition, a thorough power washing is required, along with an effective application of specific biocides to remove any organic growth.

4.9 · 240+ Reviews

The Problem

Organic Pollutants

1 : Algae - As mentioned, organic pollutants are among the most common, and certainly, the most obvious issues that effect render in Warrington and Lymm. Of these organic pollutants, Algae is the most frequent, characterised by its colour which is dependant on the age of the colony. A green stain suggests a more juvenile colony, that may have just been present for a handful of months, whilst a red or black colour will imply a more mature growth possibly having existed for several years. This type of sustained growth can permanently discolour the affected render as it bores into the surface and permeates the membrane.
2 : Litchen - Lichen often grows in tandem with algae and is often visible as circular light blue or green brittle growths on the face of the render. These growths also pose a more serious risk, occasionally grounding into the render itself and requiring expensive restoration to repair.

High quality render cleaning

At Exterior Cleaning Pros, we have been rendering cleaning in Warrington and Lymm for nearly two decades, developing our understanding of the common issues, catalysts and best treatments involved in providing the best render cleaning solutions.

WHAT CUSTOMERS SAY

Loved by 240+ Homeowners Across Warrington and Lymm

4.9

Based on 240+ Google reviews

      EXCELLENT  
   Based on 4 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   dstritch5656 
 
 
 
 Trustindex verifies that the original source of the review is Google. Exterior cleaning pros cleaned our render recently. They quoted a reasonable price and did exactly what they said they world. The job was excellent, they've made my render look just about new. No hesitation recommending them if your render needs attention.
  
 
      Posted on Google  
   
   Hannah Carroll 
 
 
 
 Trustindex verifies that the original source of the review is Google. Would highly recommend this company, they did an excellent job cleaning driveway and patio.
  
 
      Posted on Google  
   
   Steven Barnfield 
 
 
 
 Trustindex verifies that the original source of the review is Google. Recently had my driveway and patio cleaned, aswell as our render. The price was very reasonable and the quality of the work was second to none. 5 star service!
  
 
      Posted on Google  
   
   Simon Evans 
 
 
 
 Trustindex verifies that the original source of the review is Google. I'd like to thanks to David and his team for the job they have recently completed for us, David explained every step of the process for cleaning algae of our rendering and the products he was using he also explained the how he was going to bring our block paving and indian stone back to life, I will definitely be recommending them in the future thanks again
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Our Proven Render Cleaning Process

We arranged for our render cleaning specialist to assess the property and develop a tailored cleaning plan. Our goal: to remove the staining, undo the poor work left behind, and return the render to a uniform, like-new appearance.

High-Quality Detergent Pre-Treatment

We began by applying a specialist detergent to break down grease, oil, and airborne pollutants. This step ensures the surface is properly prepared and ready for deep cleaning.

Low-Pressure Steam Cleaning

Using our advanced steam cleaning system, we gently but effectively cleaned the entire rendered area. Unlike high-pressure washing, which can damage render, our method safely lifts grime and biological growth without harming the surface.

Render Cleaning Chemicals – Manufacturer Approved

As manufacturer-approved applicators, we applied our specially formulated render cleaning chemicals to target the red and green algae that had built up over time. These chemicals are designed specifically to kill algae spores at the root, preventing quick regrowth.

Final Steam Rinse

After the treatment, we performed a second round of low-pressure steam cleaning to rinse the surface and reveal a beautifully clean, consistent finish.

The transformation was incredible—the patchy, algae-stained render now looked fresh and uniform. The customer was over the moon, especially knowing the job was done correctly and with care.

Expertise

Highly experienced team

Our versatility in equipment and experience also extends to the way we approach jobs, with our flexible approach to customer service making our service distinct in the area. Every job will begin with a full consultation by a senior member of our team, discussing your expectations, potential methods of treatment and any areas of concern.

We will maintain this strong level of communication throughout the job, updating you on progress and how we acted to mitigate any issues that arose. Following a successful clean, our team will inform you of how the job has been concluded, as well as give you advice on how to protect the render in the future and preserve the quality of the clean for as long as possible.

Our team has delivered the very best render cleaning solutions in North Cheshire for nearly two decades, and over the course of this period we have developed the very best methods to tackle these common issues. We have access to the most effective biocides available, which act to target the organic growth on a cellular level, killing the root of the growth in a way that guarantees the effectiveness and longevity of the clean. Many firms simply use bleaches, however this method commonly only changes the colour of the infection, rather than actually eliminating its base growth, like a biocide does. Furthermore, bleaches pose a far larger environmental hazard than our biocide detergents, which are more environmentally friendly and easier to dispose of.

See The Difference A Professional Cleaning Can Make!

Before & After: Real Transformations In Warrington and Lymm

My team and I work across these towns almost every week

Altrincham
Hale
Hale Barns
Timperley
Sale
Stretford
Wilmslow
Stockport

Bowdon
Knutsford
Macclesfield
Alderley Edge
Chorlton
Cheadle
Didsbury
Cheadle hulme

Our process

Safe, Soft wash render cleaning process

Initial Survey & Patch Test

I will visit, or you can send clear photos on email. I always carry out a small test patch in a discreet area. This shows you the result, and it shows me how your render will react. You see there is no guesswork is involved.

Protection and First Treatment

We cover plants, protect windows and soak surrounding areas. I apply the first biocide treatment to break down the green film, black lichen and red algae. We let it dwell. This does the cleaning, not pressure.

Gentle Rinse & Second Treatment

I rinse with low pressure, at a controlled temperature. For stubborn black spots I apply a second, targeted treatment. You will see the colour return as we work, without any damage to the render surface.

Final Walk-Around and Aftercare

We pack away, rinse paths and leave the site tidy. I will show you the completed work and give you simple advice to keep it looking good. For most homes, a light maintenance wash every 18 months keeps it perfect.

What do you get with me

What I will never do is risk damaging your render.

High-pressure washing forces water into your walls, causing damp. I use a controlled soft-wash method that cleans deeply without the damage.

I hold PA1, PA6 and PA6AW City & Guilds certificates.

Many render cleaners skip this. I don't. It ensures the biocides used are legal, safe, and effective for your specific property type.

I treat your home like my own.

I know inviting a contractor onto your property is a leap of faith. That's why I pride myself on punctuality, tidiness, and respect for your space.

My methods are designed for the North West climate.

Damp and shade encourage algae. My treatment plan accounts for this, ensuring your render stays cleaner for longer despite the weather.

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Team

Our team

Our team is certified to operate using these chemicals and are well trained in health and safety, so you can rest assured that any people close to the work, your render, as well as your lawn are in safe hands.
We use industrial power washers on essentially every render clean we complete, it is the most effective method to lift dirt, both organic and inorganic, off the face of render. After organic growth has been loosened by the biocide treatment, our team will then pressure wash the face of the render, this treatment consistently providing the best results. Our team are highly experienced in the use of pressure washers and understand how much pressure to apply without damaging the delicate render.

Pressure washing is often enough to also remove stubborn soot and dirt stains on the face of the render. These types of inorganic pollutant are particularly frequent on render close to busy roads and dull the colour of your render. This is the simplest type of problem to solve, and a pressure washing treatment can revive tired render, reinvigorating the whole structure.

Because of our experience and equipment, we are able to offer our premier render cleaning service in Warrington and Lymm with the promise that we can tackle any cleaning issues that affect your render, regardless of its type, we can clean: K-Rend, Monocouche, Acrylic, Silicone and many more varieties.

0 +

External rendered walls cleaned

Since 2007

FAQ

Render Cleaning FAQ's

Will soft washing damage my K-Rend?

No. This is why you hire a specialist. K-Rend, Weber and other manufacturers advise against pressure washing. My system uses pressure lower than a garden hose. It cleans by killing the growth, not by blasting the surface.

How long will my render stay clean?

In South Manchester, a full soft wash and biocide treatment will typically keep your render clear for three to four years. North facing elevations may need a light top-up sooner. I offer a maintenance plan for this.

Is the chemical safe for my garden and pets?

Yes, when applied by a certified user. I hold PA1 and PA6 qualifications for safe application. I pre-wet all plants, cover sensitive shrubs, and neutralise the area after.

Can you remove the black spots completely?

The small black lichen dots are the hardest part of render cleaning. My treatment kills them at the root. They usually fade completely over two to four weeks after we leave, as the wind and rain clears the dead growth. I will show you this on the test patch.

Do you need scaffolding?

For most two storey homes, no. I use professional water-fed poles and low level access equipment. For three storey townhouses in the city centre or awkward areas, I can arrange a cherry picker and it will be included in your quote.

Is render cleaning worth it compared to repainting?

In the majority of cases, yes — significantly. A professional render clean typically costs a fraction of a full repaint, and on a render in good structural condition the result is comparable in terms of appearance. We can advise honestly on this during the assessment.

Ready to get the colour back?

Send me a couple of photos of your render for an accurate quote. I personally reply to every message.
I guarantee to leave your property clean, safe and looking as it should.

COMPANIES WE WORK WITH

Accredited, Insured & Industry-Approved

We hold current accreditations from recognised UK industry bodies and operate as an approved contractor.