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Taking the Brief

We will discuss your requirements in full to make sure that we thoroughly understand your requirements prior to undertaking the work.

By understanding exactly what you are looking to achieve, as well having some idea of your planned budget, allows us to recommend the most appropriate and cost efficient approach and deliver the best possible outcome.  

We will also ask about any special requirements such as access requirements, preference to what time of day you might prefer cleaning to be carried out.  

Providing an estimate

Once we know what is required we will provide you with a written estimate for the required cleaning work.

This will take into account any special requirements such as hire of access equipment or any additional cleaning products that might be required.

Site visit/test clean

If our estimate is acceptable we will then arrange for a site visit to thoroughly assess the areas to be cleaned prior to undertaking the work. 

We can run a test clean on a discreet area of the stone to demonstrate our process and identify any vulnerable, damaged or worn areas which might need specific treatment. In this way we ensure that our treatment meets the most stringent of conservation guidelines and delivers the best possible outcome.  

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Some of our clients


Client Testimonials

“Quite simply a very professional, friendly, family business that provides good value for money. ”

Les Richards - Board member of the RTM

“OneFifty are always responsive. Max replies quickly to let me know when one of the team can come out to do the work.”

Lorna Barnet - Director of Barnet Development

“They did a really great job of cleaning the high-level cladding on the building. I know that they offer a range of cleaning services and I will definitely be using them again in the future. ”

Christopher Haswell - Project Manager - Maddox Construction

“I just wanted to let you know that we are on site today and think that the building is looking so much better, so thank you very much for that.”

Anita Pitts - Hartwell House

“Thank you for sending the photos, it all looks amazing! ”

Robbie Irens - Gordon and Co

“They were able to remove the remnants of graffiti that had not been removed previously using chemicals.”

Joe - Hillcrest Estate Management

Our Accreditations