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Historic Building Cleaning

When it comes to cleaning historic or listed buildings extra care needs to be taken as the stone may be soft or damaged making it particularly vulnerable. Our unique equipment has a range of different operating modes making it extremely well-suited to cleaning historic buildings. We can ensure that the best possible results are achieved whilst mitigating risk of damage.

Our Approach

Our Process

Steam cleaning is used throughout the world for cleaning historic buildings and monuments of note.

It has a range of operating modes which allows both the pressure and the temperature of the water or steam jet to be precisely controlled, making it ideal for cleaning delicate stonework. This enables us to achieve a far superior clean whilst mitigating the risk of damage.

We will discuss your requirements in full and carry out a site visit to thoroughly assess the areas to be cleaned prior to undertaking the work. 

Our Process
Special Requirements

Special Requirements

We work in collaboration with conservation specialists to ensure that our planned cleaning methods conform to their strict guidelines.

We usually 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.  

 

Out of hours

Historic - Exterior Cleaning Case Studies

Cleaning a Grade II listed building

We recently carried out cleaning for a Grade II listed building in the centre of the city. The General (thus named because it used to be the Bristol General Hospital) is a prestigious residential development located on the waterfront.

Read full case study

Removing Graffiti from Cheddar Gorge

We were recently contacted by the National Trust's Area Ranger for Cheddar Gorge to remove offensive racist and homophobic graffiti.

Read full case study

Trouble with cleaning bridges over water...

We've been involved in a lot of bridge cleaning projects this year, including cleaning three different bridges for Somerset County Council.

Read full case study

Some of our clients

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Client Testimonials

“As always OneFifty got the job done with no fuss. They’re our go-to supplier for exterior building cleaning.”

Mark Sheffield - Contracts Manager - Jones Building Group

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

Joe - Hillcrest Estate Management

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

Robbie Irens - Gordon and Co

“If we need a job to be carried out at short notice they do everything necessary to make it happen, including getting required approvals to allow them to get on site and get the job done.”

Daniel Boyle - MD of Relyon Services

“A safe pair of hands - thorough, cost effective and report back in a timely fashion.”

Bloq Management Services

“I was very impressed with the finish your company produced and how quickly you managed to do it.”

Tom Brady - MD Building Services

Our Accreditations

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