Clean office windows do more than improve appearances; they create a brighter, more welcoming environment for staff and leave a professional first impression on clients and visitors.
For businesses in London, where pollution and busy streets can quickly leave windows looking dull, regular cleaning is essential to maintain that polished image.
But how much does office window cleaning in London actually cost? In this guide, we’ll break down typical prices, key factors that affect the cost, and what you can expect when hiring a professional window cleaning service.
Why office window cleaning costs vary in London?
The price of office window cleaning in London depends on several factors specific to your premises and location.
Office size and number of windows, as larger offices with more windows take longer to clean, which directly affects the cost per visit.
Interior vs exterior cleaning. Exterior-only cleans are the standard, but many offices also require interior cleaning to maximise natural light and maintain a professional environment for staff and clients. Interior access, furniture, and equipment all add time and cost.
Height and access, since ground floor offices are the most straightforward to clean. Upper floor offices may require water-fed poles, ladders, or in some cases a MEWP, each of which affects pricing.
Frequency, as one-off cleans cost more per visit than regular contracts. Offices that schedule consistent cleans benefit from lower per-visit rates and less intensive cleaning each time.
Location within London, since offices in central London districts such as the City, Mayfair, Canary Wharf, and Westminster typically cost more due to congestion charges, parking restrictions, and the logistical complexity of operating in busy areas.
How office window cleaning prices are calculated
By the Hour
Hourly rates for office window cleaning in London typically range from £25 to £40. This works best for smaller offices or one-off cleans where the scope is straightforward.
Per Pane
Some providers price per window pane, usually £2 to £4 per window. This is common for smaller offices with a fixed, easy-to-count number of windows.
By Area (Per SQM)
For larger office floors or multi-storey buildings, pricing by square metre is more typical, generally £1 to £3 per m². This makes budgeting more predictable for facilities managers with regular cleaning needs.
Fixed Contract
A regular contract sets a fixed rate per visit based on an agreed cleaning schedule. This is almost always the best value option for offices that need consistent upkeep, and most providers offer preferential rates to contract customers.
Interior vs Exterior Office Window Cleaning
Most standard office window cleaning quotes cover exterior windows only. However, interior cleaning is worth considering, particularly for client-facing offices, meeting rooms, and spaces where natural light is important for staff wellbeing.
Interior cleans require coordination around working hours and take longer due to furniture, equipment, and access restrictions. As a result they carry an additional cost on top of exterior cleaning, but many providers offer combined interior and exterior packages at a better rate than booking separately.
If your office is in a tenanted building, it’s worth checking with your landlord or facilities manager whether exterior cleaning is already covered under a building-wide contract, in which case you may only need to arrange interior cleaning independently.
Typical office Window Cleaning Costs in London 2026
| Office Type | Typical Cost | What this means for your office |
|---|---|---|
| Small Office (up to 10 windows, ground floor) | £80 - £150 | Quick one-off cleans; easy access makes it simple and affordable. |
| Medium Office (10-30 windows, some upper floors) | £100 - £500 | Upper windows may need ladders or water-fed poles, leading to slightly higher cost. |
| Large Office (30+ windows, multiple floors) | £250 - £500+ | Multi-storey building may require scaffolding or MEWP for safety. |
| High Rise Office | £100 - £1000+ | Specialist equipment and safety measures are needed. Cost will increase with height and complexity. |
It’s important to note that these costs are just rough estimates. For more accurate pricing, it’s best to contact us for a tailored quote based on your specific requirements.
Top Tips to Get the Best Value
- Set up a regular contract. Consistent scheduled cleans are cheaper per visit than one-off bookings and keep windows in better condition between cleans.
- Book interior and exterior together. Combined packages are usually better value than arranging each separately, and reduce the number of access visits required.
- Coordinate around office hours. Letting your provider clean during quieter periods, early mornings or end of day, can reduce disruption and in some cases the cost of the visit.
- Check your tenancy agreement. Some commercial leases include building-wide exterior window cleaning. If yours does, you may only need to budget for interior cleaning.
- Compare quotes from at least two or three providers. Always ask for a full breakdown of what’s included so you’re comparing on a like-for-like basis.
Get a free office window cleaning quote today
Whether you manage a single office suite or a multi-floor tenancy, we’ll provide a straightforward quote tailored to your space and schedule.
Established in 1979, we’ve spent over 45 years serving businesses and office managers across London, with more than 1,200 clients and accreditations including ISO 45001, ISO 14001, CHAS, RoSPA, BICSc, and Safe Contractor. Request a free quote today.
Office window cleaning faqs
How much does office window cleaning cost in London?
Office window cleaning in London typically costs between £80 and £500 per visit depending on office size, floor level, and whether interior cleaning is included.
Smaller ground floor offices sit at the lower end, while larger multi-floor offices or those requiring specialist access equipment will cost more. For an accurate figure, a tailored quote based on your specific premises is always recommended.
How often should office windows be cleaned?
Most London offices benefit from a clean every four to eight weeks. Ground floor offices in high-footfall or polluted areas, particularly in central London, may need more frequent visits, while offices in quieter locations can often manage with a quarterly schedule.
Can I schedule a one-off clean, or do I need a contract?
Both options are available. One-off cleans are useful for new offices, post-renovation cleans, or occasional top-ups, but they cost more per visit than a regular contract. If you anticipate needing cleans more than twice a year, a contract will almost always work out cheaper.
Do you clean interior windows as well as exterior?
Yes, interior and exterior cleaning can be arranged together or separately depending on your requirements. Interior cleans are priced in addition to exterior work and are scheduled around your office hours to minimise disruption.
Are your window cleaning services insured?
Yes. All Clean London holds full public liability insurance and all operatives are trained to the relevant industry standards. We are accredited by CHAS, RoSPA, BICSc, and Safe Contractor.
