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Spectrum
020 3551 6206
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DOFF Cleaning

Our DOFF cleaning service uses superheated steam to efficiently remove organic matter, stains, and paint from building exteriors without damaging the surface, ideal for restoration projects. Conserve your building with cost-effective DOFF cleaning in London and nationwide.

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Buildings Cleaned with the DOFF Integra System

Our DOFF Steam Cleaning Service

One of the most effective and powerful techniques we use, our DOFF steam cleaning service produces outstanding results every time. The system uses superheated steam at low pressure to efficiently remove stains, discolouration and organic matter from the exterior surface of a building. Suitable for use on a wide variety of materials, it can completely transform and restore the façade of a property and return the building to its original aesthetic condition.

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Why Choose Us for DOFF Cleaning?

Our unique, patented technology offers unparalleled high-temperature, low-pressure DOFF steam cleaning, eliminating the need for scaffolding through a modular pole system and expert abseilers for hard-to-reach areas, which saves considerable time and costs.

With a proven track record in restoring complex facades and listed buildings using technologies accredited by English Heritage, we can efficiently remove stains, paint, organic matter and more, all while preserving surface integrity.

Our skilled team utilises bespoke equipment and extensive experience in rope access to deliver exceptional DOFF cleaning results at any height, making us an ideal choice for your next project.

We can complete DOFF cleaning up to 18 metres with no scaffolding.


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Service

DOFF Cleaning

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Please use an alternative contact method. You can email us at info@spectrumss.co.uk, or call us on 020 3551 6206.

What to expect

  • 1

    Contact Us

    Contact us and explain your building maintenance needs.

  • 2

    Initial Consultation

    We start with a consultation to understand your needs and the specifics of the project.

  • 3

    Site Survey

    Our team will visit the site to assess the condition of the building and the scope of work required - this may be done in person or remotely. Depending on the level of works required, we may work alongside an experienced surveyor to ensure an accurate scope of works.

  • 4

    Scope of Works

    Based on our initial findings, we’ll develop a tailored plan for your property. This includes selecting the appropriate techniques and equipment, as well as considering factors such as building height, access challenges and specific restoration needs.

  • 5

    Work Starts

    With the right plan in place, our skilled technicians will carry out the work to the highest standards using the most effective combination of access solutions. We’ll ensure minimal disruption and high safety standards during execution.

  • 6

    Quality Control

    Throughout the project, we will maintain continuous quality control checks. If issues are identified, adjustments are made to ensure the highest standards of workmanship.

  • 7

    Detailed Report

    Once the work is successfully completed to your satisfaction, we will submit a completion report with photos and videos of the stages and finished result.

  • 8

    Ongoing Support

    Where needed, we offer ongoing support and regular maintenance services to protect and extend the lifespan of your building's exterior.

Facade Restoration at The Conservative Club, Daventry

We provided render repairs, brick repointing and full facade redecoration using conservation-grade materials, adapting our access approach to accommodate site restrictions and deliver a seamless restoration. While Spectrum typically avoids scaffolding, it was the most practical solution for this heritage site, allowing our team to carry out the works safely and sympathetically.

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Restoration and Rejuvenation at Cadbury House

Cadbury House, located on Dromore Road in Kingston, London, is a three-story residential property. Having previously worked with the client on other Section 20 works, Spectrum Specialist Support was the trusted choice for delivering high-quality services. This particular project was scheduled for five weeks and involved a range of access methods including cherry pickers, rope access, and ground-based techniques.

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Expert Stone Column Restoration at Providence Square

This three-week project in West London required a skilled team to execute extensive facade renovations without traditional scaffolding. Utilising specialised rope access techniques, operators efficiently restored timbers, stone masonry, window units, and roofing on a multi-story mixed-use building, minimising disruption in the bustling Notting Hill area. Innovations included high-altitude repairs and advanced substrate analysis. The success of this major works contract not only preserved the architectural integrity but also avoided additional costs, underlining the effectiveness of integrating advanced rope skills and project management in facade restoration.

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Managing “Impossible” Access Issues to Deliver Professional Results

Spectrum tackled a high-complexity cleaning project on a newly constructed ten-storey residential block in Islington, efficiently overcoming significant access difficulties due to the building's modern architecture. They provided thorough cladding and window cleaning services using state-of-the-art machinery and patented pole systems, achieving an immaculate finish. The completion of this project not only met the precise needs of the project developers, St George PLC, but also prepared the building for immediate occupancy, enhancing both its aesthetic appeal and long-term maintenance standards.

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Residents Thrilled With Facade Services in Hyde Park

Spectrum’s patented pole cleaning technology was central to the façade maintenance of a Grade II listed property overlooking Hyde Park, completed in just four days. This routine clean involved careful treatment of the building’s painted masonry to avoid damage to its historic features, utilising DOFF cleaning equipment without the need for bulky machinery. The innovative approach not only preserved the architectural integrity but also offered a cost-effective solution by minimising disruptions in the busy London area. Regular bi-monthly and bi-annual cleaning schedules have been established to maintain the building’s pristine condition and manage the effects of traffic pollution efficiently.

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Complex Render Cleaning Via Rope Access

Optivo, a major UK housing association, engaged Spectrum's render cleaning division to refurbish four 20-storey blocks in Hastings, plagued by a decade of algae and dirt accumulation. The project employed DOFF steam cleaning technology and innovative rope access methods to minimise disruption for the resident-heavy buildings. Spectrum's careful planning and versatile equipment setups, including on-site water systems for the DOFF machines, allowed the cleaning to be completed ahead of the 12-week deadline, without the need for scaffolding, ensuring efficiency, safety, and resident satisfaction throughout the restoration.

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Repointing and Timber Restoration - Cost Effective Solutions with Spectrum’s Cherry Picker

60 Timber Frames Restored and Brickwork Repointed - With No Scaffolding Required!

Read how Spectrum Specialist Support revitalised a three-storey residential property in Streatham. Discover how our expert team provided timber repair techniques, brick repointing, and cost-effective access solutions - powered by our in-house cherry picker - to restore the building’s appearance and durability while minimising disruption to residents.

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Major Facade Restoration in Hammersmith Using Rope Access

Spectrum Specialist Support completed a nine-week restoration project for a six-block residential property in Hammersmith, overcoming challenges posed by its riverside location and dense greenery. The team performed timber window repairs, metal balcony restoration, repointing with colour-matched lime mortar, and careful ivy trimming while addressing residents' concerns and minimising disruption.

Creative access solutions, including abseiling and MEWPs, avoided scaffolding and kept costs manageable. The project preserved the building’s character and ensured structural health through durable repairs and precision restoration techniques. Spectrum's commitment to quality and communication led to client satisfaction and future project requests.

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Beautiful Render Cleaning Before and Afters in Canterbury

A week-long building maintenance project by Spectrum for AD Construction Group in Wingham, Canterbury, successfully rejuvenated a newly built estate through expert render cleaning and comprehensive outdoor maintenance. Utilising innovative techniques like DOFF steam cleaning and employing patented pole equipment, the Spectrum team efficiently cleared severe algae staining, repaired damaged gutter brackets, and performed pristine window cleaning without necessitating scaffolding. The effective strategy paired with flexible timing not only preserved the architectural aesthetics but also saved costs on extensive repainting as initially feared by the client.

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Building Maintenance Services with a Smile Keep High-End Property Residents Happy

In the heart of Central London, close to Tower Bridge, the Spectrum team tackled a complex building maintenance challenge spanning six months. This high-end residential project involved facade cleaning, timber repair, painting, and various other maintenance activities across multiple properties using a mix of brick, wood, metal, and stone. Employing innovative access solutions like rope and DOFF-cleaning poles, and ensuring minimal disruption in a quiet, gated community, the team successfully revitalised the living spaces without compromising the residents' peaceful environment.

With careful planning and coordination with on-site management and tenants, Spectrum ensured all services from start to near finish adhered to the high standards expected in such premium settings, enhancing overall resident satisfaction and property aesthetics.

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How Our Services Saved Our Client £50k

Spectrum significantly enhanced a residential estate in Croydon by employing a mix of access methods, including their patented pole system, rope access, and MEWPs, avoiding the traditional and costly scaffolding. Over eight weeks, Spectrum tackled render cleaning, brick cleaning, and bird-proofing while navigating complex logistical issues including limited rear access and local environmental constraints. By choosing alternative access strategies and focusing on effective cleaning techniques, Spectrum not only saved their client £50k but also significantly reduced project timelines and disruption to the estate’s residents.

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London's Best Graffiti Removers Show Off Their Skills!

Spectrum was tasked with removing graffiti from a brick facade in East London within a very tight 24-hour timeframe, utilising the DOFF cleaning system and specialised chemical treatments. This project, integral to protecting the masonry from further damage, showcased our innovative approach by avoiding the use of heavy machinery like cherry pickers and instead using ground-based equipment. The end result was efficient and cost-effective, successfully restoring the brickwork to its original condition without compromising the structural integrity of the aging brick.

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Our Accreditations & Training

Innovative access,
saving clients thousands

How we access your property

Spectrum combines the DOFF cleaning system with our own bespoke, patented equipment. These specially designed tools allow our operatives to reach areas that would otherwise be impossible to access. Our approach helps our teams manipulate high-temperature, low-pressure steam at any height like nobody else.

Compare Access Costs

Rope Access

Pole Access

Ground Access

Ladders

MEWP

Scaffolding

  • Disruption

  • Efficiency

  • Cost

  • Adaptability

How can DOFF steam cleaning help?

DOFF Steam Cleaning is accredited by English Heritage for use on protected buildings. Using steam rather than pressure to remove discolouration and staining helps to protect and restore surface textures and minimises damage to the building. This is one of the main reasons that Spectrum uses the DOFF steam cleaning system for specialist work in London and the South East.

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We maintain a range of buildings in all sectors across the UK.

From houses to flats, schools to skyscrapers, commercial to heritage.

Our DOFF Cleaning Projects

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Stone Cleaning on a Landmark University Building

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Facade Restoration at The Conservative Club, Daventry

View Case Study

Restoration and Rejuvenation at Cadbury House

View Case Study

Expert Stone Column Restoration at Providence Square

View Case Study
Islington

Managing “Impossible” Access Issues to Deliver Professional Results

View Case Study
Hyde Park

Residents Thrilled With Facade Services in Hyde Park

View Case Study
Hastings, UK

Complex Render Cleaning Via Rope Access

View Case Study

Hackney Hybrid Access: Seamless Façade Repairs and Cleaning Without Scaffolding

View Case Study

Beyond Window Cleaning: Full Facade Restoration for a South London Residence

View Case Study

Repointing and Timber Restoration - Cost Effective Solutions with Spectrum’s Cherry Picker

View Case Study

Major Facade Restoration in Hammersmith Using Rope Access

View Case Study
Wingham

Beautiful Render Cleaning Before and Afters in Canterbury

View Case Study
Croydon

Navigating Access Issues to Complete Façade Cleaning in One Week

View Case Study
Bermondsey

Building Maintenance Services with a Smile Keep High-End Property Residents Happy

View Case Study
Croydon

How Our Services Saved Our Client £50k

View Case Study

Educating Leaders in Building Maintenance with Our CPD Programmes:

With a passion for sharing our latest insights, we have trained over 500 surveyors and property managers on sustainable facade restoration and advanced maintenance strategies.

We help you stay ahead in a rapidly evolving sector by providing engaging, practical learning that can be easily applied to a broad range of projects. Join us to not only meet your annual continuing development requirements but also discover innovative methods that can deliver outstanding results for your organisation or clients.

Learn more about our CPD programmes
  • Atkins Realis
  • NBP Paribas
  • CBRE
  • Firstport
  • Haus Block Management
  • Hollis Global
  • Knight Frank
  • Savills

We’ve trained over 500 surveyors and property managers through our CPD courses.

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Frequently asked questions

What is DOFF cleaning?

DOFF steam cleaning is a fast and efficient cleaning process perfect for many property maintenance services. The tool heats water to a much higher temperature than conventional soft washing cleaners, up to 150 degrees Celsius. At this temperature, steam is incredibly effective at removing stains, discolouration, organic matter and paint from the exterior surface of a building.

The DOFF steam cleaning system uses low-pressure water so that the substrate is not damaged during the cleaning process. This low pressure makes it ideal for use with modern render, historical stone features and other commonly used building materials.

Its high-temperature steam cleaning technology allows for deep cleaning that is also gentle on historic and delicate surfaces, making it a preferred choice for restoration and maintenance of buildings where preserving the structural and aesthetic integrity is crucial.

What is DOFF cleaning used for?

DOFF steam cleaning is a versatile and effective method of restoring property exteriors. It has a wide range of uses, like paint and graffiti removal, algae cleaning and surface stain removal. It can be used on both domestic and commercial properties and, with the correct equipment and training, can be safely used at height.

Some examples of common uses include:

Paint removal

One of the most common applications of this machine is paint removal. In some cases, peeling paint needs to be cleaned off before redecoration work can begin. In other cases, the paint may need to be removed because it is creating an eyesore or has been applied as an act of vandalism.

The high-temperature, low-pressure steam effectively removes most internal and external oil and water-based paints. It can also be used to remove varnishes and bitumastic and thermoplastics coatings without causing shock or harm to the substrate.

Graffiti removal

Graffiti is a serious issue for many property management companies. Finding an efficient and effective way of removing graffiti can help these companies keep their buildings in good condition.

The DOFF machine is often used to remove stubborn graffiti stains from interior and exterior surfaces. By combining the technique with either chemical or mechanical solutions, a wide variety of paints can be quickly removed from all areas of a building. These include spray paints, cellulose, lead-based and water-based paints.

Algae cleaning

Algae is commonly found growing on exterior surfaces and especially thrives on rendered walls. If left untreated, it can cause serious discolouration over time. With the use of the DOFF pressure washing system, we can efficiently remove algae from all types of brick, render, stone and cladding without damaging the substrate.

Carbon staining cleaning

When carbon monoxide builds up on the surface of a substrate, it can begin to eat away at the stone, altering its physical appearance. It also creates a murky black stain. Once this is removed, the restored stonework will have a fresh, renovated look and the façade of the property will be back to its original condition.

What is the difference between a DOFF cleaner and a pressure washer?

A DOFF cleaner uses superheated steam at lower pressure to clean surfaces delicately, effectively removing biological matter and dirt without damaging the substrate, making it ideal for sensitive or historic materials. In contrast, a pressure washer blasts water at high pressure, suitable for robust surfaces but risking damage to delicate ones. The DOFF's thermal treatment also kills spores, offering a longer-lasting clean.

What temperature is a DOFF system?

The DOFF system generates superheated steam at temperatures up to 150°C. This high temperature allows for the effective cleaning of surfaces by removing various types of dirt, paint, biological matter, and more, without causing damage to the underlying substrate. This capability makes it particularly suitable for sensitive or historical surfaces where preserving the integrity of the material is critical.

See Related Services

Facade Cleaning & Restoration

Bring your property back to life with our precision facade restoration service, using advanced, eco-friendly techniques for stunning and durable results.

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Brick Cleaning

Discover our top-rated brick cleaning service and let our expert team restore the curb appeal of your property.

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Stone Cleaning

Elevate your property with our professional exterior stone cleaning service. Our experienced technicians will conserve your stone facade for years to come.

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Render Cleaning

Elevate your property's appeal with our expert render cleaning services, using no scaffolding up to 8 floors. Save money and get outstanding results.

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Cladding Cleaning

Elevate your property with our expert cladding cleaning and repair service. Cost-effective solutions that restore your facade to its original condition.

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Graffiti Removal

Revitalise your property with our eco-friendly graffiti removal service. Get tailored solutions for pristine results in London and across the UK.

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Roof Cleaning

Expert roof cleaning services across the UK using eco-friendly techniques and creative access methods that will save you thousands.

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TORC Cleaning

Gently restore your stone or brick facade with precision using our TORC cleaning service. Scaffold-free, fast and cost-effective.

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Softwashing

Transform your property with our softwashing service. Our expert team will deliver outstanding results without scaffolding, saving you time and money.

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What Our Google Reviews Say

I have been using spectrum at multiple properties we manage for a nearly 2 years now, the admin team are always quick to respond and answer all our questions efficiently. The works are carried out swiftly and to a very high standard. Will always recommend Spectrum to my clients and colleagues.

Grace Taylor

Brilliant service, we used the roof cleaning service and would highly recommend using these guys.

Timucin Lam

A great company comprising a great team led by a great guy.

Rich Delaney

I have been working with Spectrum for around a year, using them on various sites for various works. Always very professional and carry out works to a very high standard.

Jack Hankey

If you're looking for a reliable and trusted window-cleaner company, look no further! Their work is always impeccable, the support team is incredibly kind, it's a flexible company and they respond immediately.

Anna Novak

Huge thank you to Andreia for her assistance and endless patience. The standard of communication was excellent every step of the way.

Melissa Loedolff

We use Spectrum to clean our windows on a monthly basis. I would recommend this company 100%. We have had quite a few of there window cleaners turn up to do the job and i can honestly say they ALL do a fantastic job. There prices are very competitive and they are very friendly and helpful every time I speak with them. I cannot recommend them enough, you will not be disappointed.

Giggs Demetriou

Amazing company! I’d highly recommend! I’ve asked for render and windows cleaning and they did a stunning job. The teams are highly skilled professionals, reliable and very friendly. As well as communication are exceptional! Very trust worthy!

Dzessika Riekstina

I’ve worked with Spectrum for approaching 10 years now. They have undertaken roof cleans, render/cladding steam cleans, TORC and DOFF cleans, gutter and drainage clearances, glazing/window/door/balcony/decking/patio cleans. We have also had them undertake concrete repairs and restoration of stone work on conservation and listed properties. We undertake a cyclical redecoration programme for a large social housing client and have used Spectrum on multiple jobs every year on this contract to support the delivery. Lucian is extremely knowledgeable in his field and his expertise has been leant on by ourselves as the main contractor and our client to find the best and most economical solutions to getting jobs done. Spectrum have used abseiling, MEWPs (cherry pickers) as well as working from ground up to 6-7 stories in order to access often very hard to reach areas saving thousands on scaffold costs. One particular job that comes to mind was a block that hung over a canal, where Spectrum then abseiled to overcome the need for scaffolding. Lucians communication is excellent and full job reports are provided on all projects to evident the work completed along with before/during/completion photos. He’s operatives are tidy, extremely polite and helpful, while also being very aware of the environments they are working in, to ensure we receive excellent levels of resident satisfaction as part of our KPI collections. They work closely with our site management teams to programme access into all areas of buildings, liaising with tenants and RLOs to ensure they are flexible around the needs of the customers. I would not hesitate to use Spectrum again and in fact they will continue to be used moving forward. Many of the blocks we work on are paying leasehold customers so the level of expectation on service and quality is extremely high and we’ve often had glowing reports on the outcomes that can be produced by his patented cleaning methods which achieve finishes that you’d only expect from painting.

ashley chin yue

This company is truly exceptional to work with. Their customer service is outstanding, consistently going above and beyond to meet our needs. Their attention to detail is remarkable, ensuring that every aspect is meticulously handled. Overall, they are an excellent company and I would highly recommend their services to anyone seeking quality and reliability!.

Mitchel Berry