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Expert Exterior Cleaning Services in London & the South East
DSW Cleaning has evolved from a small window cleaning business into a leading exterior building cleaning company serving London, Surrey, Kent, and across England. We combine cutting-edge technologies like DOFF steam cleaning with traditional customer service values to deliver exceptional results for residential and commercial properties. Our team holds industry certifications including IPAF, IRATA, and Stonehealth Rosette accreditation, ensuring safe and effective cleaning of historic and modern buildings.We prioritise safety with comprehensive RAMS, COSHH assessments, and a no-foot-on-roof policy using cherry pickers and rope access. With a focus on heritage conservation and modern efficiency, we serve hundreds of buildings annually while maintaining our founding commitment to extraordinary standards.
Services
DOFF Steam Cleaning
Facade Restoration
Roof Cleaning
Graffiti Removal
Pressure Washing
Gutter Cleaning
Cladding Cleaning
Listed Building Cleaning
Commercial Window Cleaning
Masonry Cleaning
Highlights and features
- Fully insured with comprehensive RAMS and COSHH documentation
- Trained technicians with IPAF and IRATA certifications
- 24/7 emergency response service available
- No foot-on-roof policy using cherry pickers and rope access
- Stonehealth-approved methods for heritage buildings
Associations and certifications
- Stonehealth Rosette Holders
- IPAF
- IRATA
- CSCS
- PASMA
What people say
Outstanding service
Professional team
Excellent results
Quick response
Thorough clean
Services
DOFF Steam Cleaning
Our DOFF steam cleaning system uses superheated steam up to 150C for delicate surface cleaning. This method safely removes algae, moss, and paint from historic brickwork and stone without damage. Ideal for conservation projects, it leaves breathable surfaces dry within minutes. We hold Stonehealth Rosette accreditation for this specialist technique.
Facade Restoration
Comprehensive facade restoration includes repointing, brick repair, and pollutant removal. Our IPAF-certified technicians use scaffold-free access methods to clean and repair all exterior surfaces. We provide detailed condition surveys and post-clean reporting for property managers and conservation officers.
Roof Cleaning
Professional roof cleaning using low-pressure biodegradable solutions and thermal systems. We specialise in removing moss and lichen from clay tiles and slate without damage. Our cherry picker access ensures safe working with no foot traffic on roof surfaces during cleaning.
Graffiti Removal
Rapid graffiti removal using heat-based and chemical methods suitable for different surface types. Our team provides emergency response services for commercial clients and heritage buildings. We apply protective coatings to prevent future damage while maintaining surface integrity.
Commercial Pressure Washing
Tailored pressure washing solutions for commercial properties including car parks, warehouses, and retail units. We use variable pressure systems to clean concrete, stone, and cladding materials without surface erosion. Available with out-of-hours scheduling to minimise business disruption.
People
Jade
Customer Service Manager
Jade manages client communications and project coordination. With over 8 years in exterior cleaning operations, she ensures smooth project execution from initial enquiry to completion.
Dele
Lead Technician
Dele supervises cleaning operations with 12 years' experience in DOFF systems and roof safety. He leads teams in both residential and commercial projects across London and the South East.
Questions
What areas do you cover for exterior cleaning?
We operate across London, Surrey, Kent, and nationwide for large projects. Our service vehicles cover East Midlands, West Midlands, and major cities including Manchester, Birmingham, and Southampton.
Can you clean listed buildings safely?
Yes, we're Stonehealth Rosette Holders with specialist heritage cleaning methods. Our team uses non-abrasive techniques approved for Grade I and II listed properties.
Do you offer emergency cleaning services?
We provide 24/7 emergency response for urgent issues like storm damage or blocked gutters. Our rapid response team can often attend within 24 hours.
What safety certifications do your staff hold?
All technicians have IPAF, IRATA, and CSCS certifications. We also maintain PASMA, first aid, and working-at-heights training with regular refresher courses.
How do you handle commercial contracts?
We provide tailored maintenance plans with scheduled cleaning and detailed reporting. Our clients include property management companies, local authorities, and industrial estate operators.
What cleaning methods do you use?
We combine DOFF steam cleaning, TORC systems, and biodegradable softwash solutions. This allows safe cleaning of delicate surfaces while achieving thorough results without high-pressure damage.
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