Cleaning Services
Our services
Cleaning services in London
Professional cleaning for offices, venues, homes and building sites across London, Harrow and Luton, from the same team that keeps your venue safe.
Commercial & office cleaning
Regular, reliable cleaning that keeps your workplace looking its best, scheduled around your business: before opening, after hours or at weekends.
- Desks, surfaces and touch points
- Washrooms restocked and sanitised
- Kitchens and break areas
- Vacuuming and mopping all floors
- Bins emptied and recycling sorted
- Reception and entrance areas
- Glass partitions and internal windows
- Optional carpet and upholstery cleaning
Ideal for
Offices, shops and retail units, gyms, schools and training centres, and medical or dental practices.
How often?
Daily, several times a week, weekly or monthly. You choose. We agree a cleaning plan and checklist so you know exactly what's done on every visit.
Out-of-hours cleaning
We can clean early in the morning, in the evening or overnight, so there is no disruption to your staff or customers.
Keys, alarms and access
Our team can be given secure access to lock up, set alarms and report any issues, which is handy when combined with our security services.
Venue & post-event cleaning
Your venue spotless and ready for the next night. We clean after club nights, events and functions, often while our door team is still on site.
- Bars, dance floors and seating
- Toilets deep-cleaned and restocked
- Glass and sharps safely cleared
- Spills, sticky floors and stains
- Smoking areas and outside spaces
- Rubbish removed and bins cleaned
- VIP areas and back-of-house
- Event set-up and pack-down cleaning
Ideal for
Nightclubs and bars, pubs, event venues, festivals and outdoor events, and sports grounds.
Straight after closing
We can start as soon as the last customers leave, so your venue is ready by the morning.
Glass, sharps and hazards
Our team is briefed on clearing broken glass and dealing with sharps and other hazards safely, using the right equipment and PPE.
Pair it with your door team
Book security and cleaning together for one point of contact, one schedule and one invoice.
Deep & end of tenancy cleaning
A top-to-bottom clean for properties that need more than the usual. Ideal when you're moving in or out, preparing for an inspection, or starting fresh.
- Kitchens, ovens and appliances
- Bathrooms descaled and sanitised
- Skirting boards, doors and frames
- Inside cupboards and wardrobes
- Windows, sills and frames
- Carpets vacuumed and floors scrubbed
- Light fittings and switches
- Walls spot-cleaned
Ideal for
Landlords and letting agents, tenants moving out, new homes, holiday lets, and offices after a refit.
One-off or regular
Book a single deep clean, or add one to a regular cleaning plan every few months.
Inspection-ready
We work to a detailed checklist, so your property is ready for landlord, agent or inventory checks.
What we need from you
Access to the property, running water and electricity. We bring all the cleaning products and equipment.
Construction & site cleaning
From ongoing site cleaning to the final sparkle before handover, we take care of the dust and debris so your project finishes on time.
- Builders' cleans after works
- Sparkle cleans before handover
- Dust removal from all surfaces
- Paint, plaster and adhesive spots
- Windows, frames and glazing
- Welfare units and site cabins
- Debris and packaging cleared
- Floors cleaned and protected
Ideal for
Construction companies, developers, refurbishments, shop fit-outs and property managers.
Stages we can clean
During the build (ongoing site cleaning), after the main works (builders' clean), and before handover (sparkle clean).
Safety on site
Our team follows your site rules and inductions, and wears the right PPE.
Security too
Need the site guarded overnight as well? Our SIA-licensed officers can secure it while it's empty.
How it works
Getting started is simple.
Tell us what you need
Call, WhatsApp or send a quote request with a few details.
Free site visit
We visit your premises and agree what needs cleaning, and when.
Your cleaning plan
You get a fixed quote and a clear checklist for every visit.
We keep it spotless
Regular checks make sure the standard stays high.
Why Prometheus
Security and cleaning, from one team
Already use us for security? Add cleaning and save yourself the hassle of managing two suppliers.
- One point of contactOne account manager for your door team and cleaners.
- One schedule, one invoiceCleaning planned around your opening hours and security cover.
- People who know your venueA team that already understands your premises and procedures.
Frequently asked questions
Can't see your question? Call us on 020 8050 6556.
Which areas do you cover?
London, Harrow, Luton and the surrounding areas. Get in touch if you are further afield.
Do you bring your own products and equipment?
Yes. We supply all cleaning products and equipment. If you would prefer us to use specific products, just let us know.
Can you clean outside business hours?
Yes: early mornings, evenings, overnight and weekends.
How much does it cost?
It depends on the size of your premises, what is needed and how often. After a free site visit we will give you a fixed quote.
Can I book a one-off clean?
Yes. Deep cleans, end of tenancy, post-event and builders' cleans can all be booked as one-offs.
