
We Get the Job Done.
Without the Fuss.
Construction site cleaning, specialist surface restoration, commercial deep cleans, waste management and decommissioning — delivered by trained teams across South Wales.
Everything You Need. One Team.
From construction site handovers to heritage façade restoration, event cleaning to commercial decommissioning — we cover the full range.

Jet Washing That Speaks for Itself
Paths, driveways, hardstanding and communal areas restored to like-new condition. Our high-pressure jet washing removes years of dirt, algae and grime — leaving surfaces clean, safe and presentable.
Get a quote for jet washingConstruction Site Cleaning
- Builders' cleans & sparkle cleans
- Ongoing site maintenance
- Handover-ready presentation
- Welfare & cabin cleaning
- Waste segregation & removal
Specialist Surface Cleaning
- DOFF steam cleaning (up to 150°C)
- Thermatech cleaning (30–155°C)
- Laser cleaning (dual operator)
- Blast cleaning & paint removal
- Graffiti removal
Commercial Cleaning
- Offices, retail & hospitality
- Schools & universities
- Student accommodation
- Showrooms & council buildings
- Pubs, clubs & leisure venues
External Cleaning
- Jet washing — paths, roads, hardstanding
- Window cleaning (up to 65ft)
- Roof & gutter cleaning
- Cladding & façade restoration
- Solar panel cleaning
Floor & Surface Restoration
- Deep carpet cleaning
- Hard floor restoration & polishing
- Scrubber drying
- Anti-slip treatments
- Machinery & equipment cleaning
Industrial Deep Cleaning
- Factories & manufacturing plants
- Warehouses & distribution centres
- Healthcare & hospital environments
- Specialist machinery cleaning
- Eco steam cleaning (chemical-free)
Waste & Decommissioning
- Commercial decommissioning
- Licensed waste management
- Hazardous & non-hazardous streams
- Duty of care documentation
- Circular economy initiatives
Event Cleaning
- Pre & post-event cleaning
- Large-scale venue cleaning
- Festival & outdoor event support
- Rapid turnaround services
- Waste management & site tidy

Large-Scale Event Cleaning & Waste Management
We provide full event cleaning services for some of Wales' biggest events — including the Swansea Air Show and the Royal Welsh Show. Our teams manage all site waste sorting and disposal, keeping venues clean, safe and presentable throughout.
Complete Site Waste Management
We don't just clean — we manage all site waste sorting and disposal. Recycling streams, general waste, hazardous materials — all handled, documented and disposed of responsibly.
Pest Control & Post-Infestation Cleanups
We combine professional pest control with specialist deep cleaning — so you get the problem solved and the space fully restored in one call. Whether it's a one-off treatment or an ongoing prevention programme, we handle it.

Combined pest control + cleaning is one of our highest-value services. One team, one call — the problem gone and the space restored.
See What We Do
Steam Cleaning: Paint Removal from Brickwork
Watch our team strip paint from brickwork using high-temperature steam. This eco-friendly method safely removes even stubborn coatings — restoring surfaces to their original condition without chemicals or surface damage.
- Chemical-free — safe for all brick and stone surfaces
- Removes multiple layers of paint effectively
- Suitable for heritage, commercial and domestic properties
Built for Demanding Environments
We work across every commercial and industrial sector — adapting our methods, equipment and schedules to your site.
Construction
Builders' cleans, sparkle cleans, site maintenance and handover preparation for contractors like Kier and BECT.
Industrial
Factories, manufacturing plants, warehouses — deep cleans, machinery cleaning and compliance-ready environments.
Commercial
Offices, retail, hospitality, showrooms — tailored cleaning programmes built around your operating hours.
Education
Schools, universities, student accommodation — safe, hygienic environments for learning and living.
Healthcare
Hospitals and healthcare environments with strict hygiene protocols and compliance documentation.
Public Sector
Council buildings, community centres, public spaces — reliable service for local authorities across South Wales.
Heritage & Listed
Specialist DOFF, Thermatech and laser techniques for historic properties, churches and conservation projects.
Events
Pre and post-event cleaning for venues and large-scale events including the Royal Welsh Show.
We Always Get the Job Done
Contractors, facility managers and building owners choose us because we deliver what we promise — on time, on budget, without the fuss. That's not a tagline. It's how we operate.
No Fuss, Just Results
We turn up, we deliver, we leave the site better than we found it. No drama, no excuses — just reliable, professional cleaning.
Zero Safety Incidents
3+ years with zero incidents or near misses. Weekly toolbox talks for all 65 staff. IPAF certified with full RAMS for every project.
Specialist Equipment
DOFF steam, Thermatech, laser cleaning, blast systems — with backup units for zero downtime. The right tool for every surface.
Fully Accredited
Constructionline Gold, Safe Contractors, BESA, NAADUK, IPAF. We meet the standards your procurement team requires.
£20m Insurance Cover
Public liability, professional indemnity and equipment coverage. Complete peace of mind for every project.
Sustainability First
Eco-friendly practices, chemical-free cleaning options, waste reduction and circular economy initiatives. We track and report environmental impact.
Safety Incident-Free Clock
Our team of 65 has maintained a perfect safety record — zero incidents, zero near misses. The clock keeps ticking.
Companies We Work With
We're proud to deliver for some of the biggest names in construction, public sector and circular economy across Wales.





“I have worked with Clean Sweep on a number of projects over the last three years. Clean Sweep is a very professional company with a can-do attitude. The team have always been extremely helpful and are always willing to assist with their contracted works and anything else we require on site.”
“Clean Sweep Group always go above and beyond to complete any job they have been tasked with. Their team is reliable, professional, and gets the job done right. Highly recommended.”
Accredited. Audited. Trusted.
We hold the accreditations your procurement team requires — and we maintain them through regular audits, not just initial sign-up.
Circular Economy Commitment
We're actively growing our involvement in the circular economy — integrating resource reuse, waste reduction and sustainable practices into every project. This isn't a bolt-on; it's core to how we operate.
We're keen to grow our affiliations with circular economy organisations and welcome conversations with like-minded partners.


A Specialist Team Built for Tough Environments
Based in Barry, South Wales, CS Group provides industrial, commercial and specialist cleaning across the region. We work in demanding environments — construction sites, factories, healthcare settings, heritage buildings, schools and public-sector properties.
With 65 trained staff, specialist equipment (DOFF, Thermatech, laser, blast systems) and backup units for zero downtime, we handle the work others can't. Our teams are IPAF certified, and we hold Constructionline Gold, Safe Contractors, BESA and NAADUK accreditations.
We're committed to sustainability — integrating eco-friendly practices, resource reuse and circular economy initiatives into every project. We track reduced water usage, chemical waste and carbon emissions, and report back to clients.




Our Paint Removal Process
A straightforward, professional approach from initial survey to final inspection.
Free Site Survey
We assess your property, identify the paint type, surface condition, and recommend the best removal method.
Tailored Quote
You receive a clear, detailed quote with no hidden costs—covering the full scope of work and timeline.
Safe Paint Removal
Our trained specialists use the appropriate technique for your surface—whether DOFF steam, laser, or controlled abrasive methods.
Quality Inspection
We inspect every area to ensure complete paint removal and surface integrity before handover.
Common Questions
Everything you need to know about our paint removal services.
We can remove virtually all types of exterior paint including masonry paint, gloss, emulsion, lead-based paints, and industrial coatings. We assess each project to determine the safest and most effective removal method.
No. We use surface-appropriate techniques—DOFF steam for delicate surfaces, controlled abrasive methods for robust materials, and laser cleaning for precision work. Our methods are designed to remove paint without harming the underlying surface.
Timescales depend on the surface area, paint type, and number of layers. A typical domestic property might take 1-3 days, while larger commercial projects can take 1-2 weeks. We provide accurate timelines after our free site survey.
Yes. We have specialist training and equipment (DOFF, Thermatech, laser) specifically for heritage properties. We understand the requirements for working on listed buildings and can provide documentation for conservation officers.
We operate across South Wales, including Cardiff, Barry, Swansea, Newport, and surrounding areas. Contact us to confirm coverage for your location.
Pricing depends on surface area, paint type, access requirements, and surface condition. We offer free site surveys and provide detailed, no-obligation quotes. Our pricing is transparent with no hidden costs.
Request a Free Quote
Tell us about your paint removal project and we'll arrange a free site survey. No obligation, just honest advice.
