DOFF Steam Cleaning at Chelsea Town Hall
Specialist DOFF Steam Cleaning at Chelsea Town Hall
Walkers Cleaning & Support Services has completed a specialist DOFF steam cleaning project to the external façade of Chelsea Town Hall in London.
The works were carried out using a sensitive cleaning approach designed to remove surface staining, pollution and organic matter while protecting the historic character of the building. For heritage and listed buildings, the cleaning method is just as important as the visual result, as aggressive or unsuitable techniques can risk damaging delicate stonework, brickwork, masonry joints and architectural detailing.
By using the DOFF steam cleaning system, Walkers was able to deliver a controlled, low-pressure clean suitable for a historic civic building, helping to improve the appearance of the façade while reducing the risk of damage to the underlying substrate.
A Specialist Approach to Heritage Façade Cleaning
Chelsea Town Hall is a well-known historic building on King’s Road, with architectural features that required careful planning and a considered cleaning method.
External façades on older buildings are often affected by years of atmospheric pollution, carbon staining, algae, moss, biological growth and general surface contamination. These issues can make a building look tired, but the wrong cleaning process can cause further problems, particularly where stonework, brickwork or decorative detailing is involved.
For this project, Walkers selected DOFF steam cleaning because it uses superheated water at low pressure. Rather than relying on aggressive force, the system uses heat to soften and remove unwanted surface matter. This makes it well suited to sensitive façade cleaning, heritage building maintenance and projects where the original surface needs to be protected.
What Is DOFF Steam Cleaning?
DOFF steam cleaning is a specialist exterior cleaning method commonly used on stone, brick, render, masonry and heritage surfaces.
The system heats water to a high temperature and applies it at low pressure. This allows dirt, algae, moss and atmospheric staining to be lifted from the surface without the need for harsh chemicals or abrasive cleaning methods.
For buildings with architectural detailing, carved stone, masonry joints or older materials, this can be a more suitable option than traditional pressure washing. It allows operatives to work carefully and methodically, targeting contamination while reducing the risk of surface erosion, water saturation or unnecessary damage.
Scope of Works Completed
Walkers’ operatives carried out a carefully controlled exterior clean to the façade of Chelsea Town Hall.
The works included DOFF steam cleaning to external elevations, targeted treatment of staining and biological growth, and sensitive cleaning around architectural detailing and masonry joints.
The team worked methodically across the designated areas, ensuring the correct cleaning approach was applied to each part of the façade. Particular care was taken around detailed stonework and areas where a lower-impact method was required.
As with all specialist external cleaning projects, the works were planned with safety, access and site control in mind. The team worked around public access points and live site conditions to minimise disruption while maintaining a safe working environment throughout the programme.
Why DOFF Was the Right Cleaning Method
DOFF was selected because the building required a cleaning method that could achieve a visible improvement without applying excessive pressure to the surface.
The key benefits of DOFF steam cleaning include:
- Low-pressure application suitable for sensitive surfaces
- Effective removal of algae, moss, biological growth and surface pollution
- Reduced water saturation compared with some traditional methods
- No requirement for harsh chemical cleaning on suitable surfaces
- Lower risk of damage to stonework, brickwork and architectural features
- A controlled approach suitable for heritage and listed building environments
For Chelsea Town Hall, this made DOFF an appropriate choice for balancing cleaning performance with the need to protect the character and condition of the façade.
Supporting Facilities Managers and Property Teams
Heritage and façade cleaning projects require more than simply turning up and cleaning the surface. They require planning, the right equipment, trained operatives and an understanding of how to work safely in public, commercial and sensitive environments.
Walkers Cleaning & Support Services supports facilities managers, property managers, public sector organisations and commercial clients with specialist external cleaning services across London and the wider UK.
Our team understands the importance of selecting the correct cleaning method for each building. Whether the requirement is DOFF steam cleaning, façade cleaning, high-level cleaning, commercial window cleaning or external building maintenance, the aim is always to deliver a safe, compliant and high-quality result.
Specialist Façade Cleaning Across London and the UK
The successful completion of the Chelsea Town Hall DOFF cleaning project demonstrates Walkers’ ability to deliver specialist façade cleaning on sensitive and high-profile buildings.
From heritage properties and civic buildings to commercial premises, education sites, healthcare environments and large facilities management contracts, Walkers provides reliable exterior cleaning solutions tailored to each site.
Our services include DOFF steam cleaning, façade cleaning, commercial window cleaning, high-level access cleaning, reach-and-wash window cleaning, rope access cleaning, pressure washing, render cleaning and external building cleaning.
Every project is reviewed individually to ensure the correct method, access approach and safety controls are in place before works begin.
About Walkers Cleaning & Support Services
Walkers Cleaning & Support Services is a UK commercial cleaning and specialist cleaning contractor.
We provide a wide range of services including commercial window cleaning, high-level access cleaning, façade cleaning, DOFF steam cleaning, external building cleaning, carpet and floor care, kitchen deep cleaning and specialist cleaning support.
With a strong focus on safety, compliance, communication and service quality, Walkers supports clients who require a reliable cleaning partner capable of delivering professional results across complex and demanding environments.
If you require support with heritage façade cleaning, DOFF steam cleaning or specialist exterior building cleaning, please contact the Walkers CS team to discuss your requirements.



