Quick Cleaning Enquiry

Passionate about providing the very best quality window cleaning services across Greater London and West Hertfordshire, including Watford, Stanmore, Rickmansworth, Denham, and Bushey.

  • Trained, uniformed, insured, and fully equipped staff.
  • You can trust us to provide rigorous standards of health and safety at all times; we are fully HSE and PPE compliant, SafeContractor accredited, and CSCS tested, as well as providing Comprehensive Risk and Method Statements and COSHH reports.
  • During the day, or out of hours – whenever suits! Our team will be flexible around your needs, providing daily, weekly, or one-off services as required.
  • Perfectly pure water creating a streak and spot free finish.

We’re happy to provide the safest and highest quality cleaning results to your exterior windows, fascias, soffits and gutters. This service can be provided in conjunction with other cleaning tasks or on its own, either as a regular or one-off service.

We can provide high level cleaning up to 45 feet, using a telescopic pole with perfectly pure water dispelled through jets. This creates a streak free finish, without the need for hazardous ladders, allowing for safer, higher quality results with less risk and less mess.

Thanks so much for all your help with our windows – we’re so grateful you could help us so quickly.

Claire, PEP Electrical

What you can expect from us

  • The ability to cover absence at short notice.
  • Cover over main holiday periods, including Easter, Christmas and the New Year.
  • We provide all chemicals and equipment for all cleaning tasks, including cloths, vacuums, sanitisers, freshners and de-scalers.
  • A comprehensive list of customers who are delighted with our service.
  • Over 14 years of experience providing bespoke office cleaning service to Watford businesses.
  • Personalised service, designed just for you.

Prices for window cleaning services are very personal, and are prepared following a brief visit to discuss your requirements. Prices will be sent to you the very same day, without any obligation.

Callver is committed to providing the best, most trusted cleaning service possible, using the very best staff around, with the best materials available at a reasonable and fair price... It’s as simple as that.

Our Cleaning Blog


We’re very excited to announce our new Window Cleaning Service launches next week.