Render Cleaning Services in Bishopsteignton
Breathe New Life Into Your Walls – Professional Render & Exterior Wall Cleaning That Works
The discolouration on rendered walls is typically caused by organic growth, such as algae, lichen, and fungus. While this growth is unsightly, it can also trap moisture against the surface, potentially leading to damp and long-term degradation.
Robin Ray Exterior Cleaning treats the root cause. Our specialised softwashing process safely kills and removes this growth, restoring your property's appearance and protecting your render. The result is a 'like-new' finish, avoiding the need for costly and disruptive redecoration.
Why Exterior Wall Cleaning Is More Than Just Cosmetic
What looks like dirt is actually a living biofilm — colonies of algae, lichen and mould that feed on your rendered or painted walls. Left untreated, these growths can shorten the lifespan of your surfaces and lead to cracks, moisture retention, and even structural damage.
Robin Ray Ltd uses a low-pressure softwash system to eliminate this growth at the root. It’s safer than pressure washing and is recommended by render manufacturers like K Rend and Webber. It can make walls look like new in just one day.
What We Remove During Cleaning
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Green, red and black algae
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Lichen, moss and mould
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Pollution and weather-related staining
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Organic build-up near trees or plants
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Surface-level grime, debris and biofilm
Tel: 01364 716127
Mob: 07928 818 031
Tailored Cleaning for Every Wall Surface
Render isn’t one-size-fits-all. That’s why we assess every property before cleaning. Whether you have K Rend, monocouche, silicone, cement, painted render, or pebbledash, we choose the safest, most effective method.
We offer several render cleaning options: Instant Clean, Slow Clean, and Clean & Protect, all designed to meet different needs, surface types, and budgets. We can also apply preventative treatments to help your walls stay cleaner for longer. For peace of mind, test patches are available so you know exactly what to expect.
FAQs – Render & Wall Cleaning Explained
What is softwashing?
Softwashing uses specialist solutions with low-pressure water to safely remove algae, lichen, and dirt from walls without surface damage.
Is it better than pressure washing for render?
Yes. Pressure washing can erode render. Softwashing cleans deeply and gently while helping to prevent regrowth.
Do I need to repaint after cleaning?
In most cases, no. Softwashing restores the surface’s appearance. For painted render, cleaning helps ensure any new paint adheres properly.
Are your products safe?
All cleaning products carry some risk. We take full precautions to protect you, your property, and the environment throughout the process.
Do you offer free quotes and surveys?
Absolutely. We provide in-person surveys, free written quotations, and test patches upon request.
Sand & Cement Render Cleaning
Sand and cement render is one of the most common wall finishes but also one of the most prone to algae and weather damage. Its porous surface holds moisture which allows green and black staining to develop over time.
At Robin Ray Exterior Cleaning we use a low pressure softwash system to clean sand and cement render safely. Unlike pressure washing our method removes organic growth and surface grime without eroding the material. The result is an even finish that restores your render’s natural appearance and helps prevent future staining.
Painted Render Cleaning
Painted render needs careful maintenance to stay in good condition. Algae and dirt can grow beneath the paint which leads to bubbling cracking or peeling if not treated correctly. Our painted render cleaning service removes this build up gently before it causes lasting damage.
We use softwashing and eco friendly cleaning products to restore painted surfaces without harming the coating or colour. Cleaning first extends the life of the paintwork and avoids the cost of early repainting which keeps your property looking clean and protected.
9 Things Every Homeowner Should Know
Before Cleaning or Painting Their Exterior Rendered Walls
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True Render Cleaning Specialists
With decades of experience, we know how to treat every surface safely, delivering powerful results without causing damage.
Tailored Softwash Treatments for Every Surface
We clean from the ground using low-pressure systems suited to delicate finishes, ensuring the best clean for each wall type.
Fast, Impressive Results with Minimal Disruption
Our softwashing process can often transform walls in a single visit, no scaffolding, no mess, and long-lasting results.
Get Your Render or Wall Cleaning Quote Today
If your walls are stained, tired, or covered in algae, get in touch with Robin Ray Ltd today.
We’ll provide expert advice, a free quote, and a cleaning plan that makes your property look its best, safely, affordably, and without disruption.
Tel: 01364 716127
Mob: 07928 818 031
Related Services
Render Cleaning
Client Comment
Bishopsteignton
Sam Fielding
Render Cleaning
Client Comment
Bishopsteignton
The discoloured render on our garden walls was spoiling the whole look of the property. Robin Ray Exterior Cleaning made them look as good as new, with zero damage.
Everything was explained clearly, and the price was very fair.
Naomi Kerr
Render Cleaning
Client Comment
Bishopsteignton
We were selling our house and wanted to improve kerb appeal. The render was covered in discolouration and algae.
Robin gave a fair quote and explained how softwashing was safer than pressure washing. We booked him in and were stunned by the results. The clean made such a huge visual difference, and we didn’t need to touch up the paint at all. It made the whole property feel lighter and more modern instantly.
Henry Mitchell
Render Cleaning
Client Comment
Bishopsteignton
Our back extension had gone green and patchy. Robin Ray Ltd handled it with care and respect, and the walls now look completely different.
I liked that they used softwash instead of harsh pressure washing, which could have caused damage. Would happily hire them again.
Corey Marsh
Render Cleaning
Client Comment
Bishopsteignton
Robin was so helpful from the first message. He came out quickly to do a survey, gave us a clear quote, and booked us in for a convenient date.
On the day, the cleaning was quiet and efficient. Our once green walls are now pale cream again. The difference is incredible. You don’t realise how bad it is until it’s clean!
Claire Yates
Render Cleaning
Client Comment
Bishopsteignton
We had a mixture of staining, moss, and general grime all over the render. Robin and his team tackled the job using their softwash system, and it worked like a charm.
They took great care not to damage the plants or pathways and cleaned everything with precision. It’s really restored the appearance of our property. The whole team were professional and punctual, and the quote was exactly what we paid. Highly recommended.
Paul Stannard
Render Cleaning
Client Comment
Bishopsteignton
We were amazed by the results of the render cleaning. Robin was responsive to our initial query, arrived on time, and explained the whole process clearly.
His team worked carefully, using safe and effective softwashing that removed all traces of algae, lichen and weather staining. The house looks bright and fresh again, and the whole job was done without any disruption. It’s not just clean — it’s like a completely new wall surface now.
Thomas Chadwick
Render Cleaning
Client Comment
Bishopsteignton
The team at Robin Ray Exterior Cleaning did an incredible job restoring the render on our Victorian house. We had algae, lichen, and a fair bit of grime that built up over years.
They used softwashing, which was gentle on the old surfaces but highly effective. The place looks fantastic and the walls feel completely refreshed. Definitely a five-star service from a team that clearly knows their stuff.
Rebecca Drury
Render Cleaning
Client Comment
Bishopsteignton
We had extensive algae buildup on our garage wall and side extension. Robin Ray Ltd cleaned the area using their softwashing system and the results were even better than expected.
No mess, no damage, and they took real pride in the finish. Honest pricing and professional from start to finish.
Andrew Lister
Render Cleaning
Client Comment
Bishopsteignton
We booked Robin after seeing his work online. The house looked tired, with algae streaks and general dirt all over the render.
He used a low-pressure softwash system that was gentle but incredibly effective. Not only is everything clean, but he also applied a treatment to prevent the growth coming back. Great value for money and you can tell he really knows what he’s doing. Highly recommend this service to anyone with tired-looking render.
Ben Lovell
Render Cleaning
Client Comment
Bishopsteignton
Excellent communication from the first enquiry. Robin gave us a clear quote, explained what softwashing involved, and carried out the work with real care.
Our render is now completely clean, and we didn’t have to worry about ladders, mess, or disruption. Really pleased we chose them over a cheaper alternative.
Grace Middleton
Render Cleaning
Client Comment
Bishopsteignton
Our white rendered home had developed black algae streaks and discolouration over the past few years. Robin Ray Ltd came out, offered a free quote, and then softwashed everything with care.
They protected our plants, worked cleanly, and the result was fantastic. Highly recommend them for anyone dealing with long-term staining or discoloured render.
Natalie Hammond
Render Cleaning
Client Comment
Bishopsteignton
Our home had developed patches of red algae that made the walls look old and unclean. Robin offered a no-obligation quote, explained everything clearly, and completed the job without fuss.
The results were honestly amazing. We’re now getting compliments from neighbours and have recommended Robin Ray Exterior Cleaning already.
Ben Hargreaves
Render Cleaning
Client Comment
Bishopsteignton
Very impressed with how clean the render looks now. Fast and efficient service without any fuss or mess.
Daniel Clarke
Render Cleaning
Client Comment
Bishopsteignton
Robin was fantastic from start to finish. Our render had become really discoloured from years of moss and pollution, and we were starting to consider painting over it.
Thankfully, someone recommended Robin and he reassured us that softwashing would restore it without any damage. He turned up on time, worked efficiently, and the walls came up cleaner than I expected. We’re absolutely thrilled with the result — feels like we’ve had a complete house makeover!
Jamie Taylor








After a lot of research, we chose Robin Ray Ltd for our render cleaning and couldn’t be happier. The walls had black mould and patches of algae that were spreading fast.
Robin was very thorough in his assessment, explaining what type of treatment would work best. He carried out a softwash that removed every bit of staining without harming the render. The walls look freshly painted, and there was no need for scaffolding. Professional, responsive and worth every penny. I’d absolutely recommend them to friends and family.