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Expert Exterior Cleaning Services in London
Dsw Cleaning has evolved from a small window cleaning enterprise into a leading exterior building cleaning company serving London, Surrey, and beyond. Our growth reflects our unwavering commitment to exceptional standards, combining cutting-edge technologies with traditional customer service values. With decades of collective experience, our team specialises in facade restoration, DOFF steam cleaning, and heritage building conservation. We hold industry-leading accreditations including Stonehealth Rosette status and comprehensive safety certifications. Our approach prioritises safety, sustainability, and minimal disruption, utilising advanced access solutions like cherry pickers and rope access techniques.Clients benefit from our rigorous quality management systems, including detailed condition surveys and post-cleaning reporting. We serve both residential and commercial clients across England, maintaining strict compliance with health and safety regulations while delivering transformative results. Our reputation for reliability is evidenced by our extensive portfolio of public and private sector projects. We maintain full insurance coverage and implement thorough staff vetting procedures to ensure client confidence. Our technical expertise extends to listed buildings, industrial sites, and high-profile landmarks, demonstrating our versatility and professionalism.
Services
Facade Cleaning
DOFF Steam Cleaning
Roof Cleaning
Graffiti Removal
Heritage Building Restoration
Highlights and features
- Fully insured with comprehensive public liability coverage
- Trained technicians with CSCS and IPAF certifications
- Approved Stonehealth contractors for heritage projects
- 24/7 emergency response service available
- Eco-friendly cleaning methods with biodegradable solutions
Associations and certifications
- Stonehealth Rosette
- CSCS
- IPAF
- PALS
- PASMA
- IRATA
What people say
Efficient and clean
Amazing job
Knowledgeable staff
Outstanding service
Exceptional results
Services
Facade Cleaning
Our facade cleaning service meticulously restores building exteriors using low-pressure, high-temperature steam technology. Specialising in historic and listed buildings, we employ conservation-approved methods that remove algae, pollution stains, and paint residue without damaging original materials. The process includes comprehensive condition assessments and breathable protective coatings where required, ensuring long-term preservation of architectural integrity while enhancing visual appeal through deep cleaning of brick, stone, and render surfaces.
DOFF Steam Cleaning
DOFF steam cleaning utilises superheated steam up to 150C for delicate surface restoration. This method effectively removes moss, lichen, and organic growth from heritage buildings without thermal shock. Our certified technicians adjust temperature and pressure settings to suit specific materials, making it ideal for period properties and conservation areas. The system's rapid drying time minimises disruption while achieving thorough cleaning of intricate architectural details and fragile masonry surfaces.
Roof Cleaning
Professional roof cleaning services address moss accumulation, algae growth, and debris build-up on all roof types. Using scaffold-free access systems and softwashing techniques, we safely remove contaminants without damaging tiles or slates. The process includes gutter clearing and includes preventative treatments to extend cleaning intervals. Our methods meet insurance requirements for listed buildings while maintaining structural integrity through non-abrasive cleaning solutions and pressure-controlled application.
Graffiti Removal
Our graffiti removal service combines chemical treatments and low-pressure cleaning to eliminate unwanted markings without harming underlying surfaces. We employ biodegradable removers suitable for brick, stone, and concrete. The process includes applying protective coatings to facilitate future removal while maintaining aesthetic consistency. Our rapid response team handles both emergency and scheduled treatments for commercial properties and public sector clients across London and the South East.
Heritage Building Restoration
Specialist heritage restoration encompasses lime mortar repointing, stone repair, and traditional cleaning methods. Our team follows English Heritage guidelines for period properties, using non-invasive techniques that preserve historical authenticity. Services include detailed condition surveys, substrate stabilisation, and conservation-grade material matching. We work closely with conservation officers and property managers to ensure compliance with planning requirements while restoring architectural features to their original condition.
Questions
What exterior cleaning services do you offer?
We provide facade cleaning, DOFF steam cleaning, roof restoration, graffiti removal, and heritage building conservation across England.
Do you handle emergency cleaning requests?
Yes, our 24/7 emergency service responds promptly to urgent gutter blockages and weather-related damage repairs.
Are your methods safe for historic buildings?
Our conservation-approved techniques including DOFF steam cleaning meet English Heritage standards for listed properties.
How do you ensure service quality?
We use certified technicians, provide detailed condition reports, and maintain full insurance and accreditations including Stonehealth Rosette status.
What areas do you cover?
We operate nationwide with primary coverage in London, Surrey, Kent, and the South East regions.
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