How Much Does Bug Sweeping Cost in the UK?

A professional bug sweep is a scoped inspection of premises for concealed surveillance equipment. Understanding the quotation matters more than comparing headline prices: two inspections of the same property can cover very different work.

Homeowners, business owners, office managers and professional advisers considering a bug sweep of premises they are authorised to have inspected.

Property size and layout

A floor area helps estimate the work, but room count, furniture, fixtures and accessible voids also matter. A sparsely furnished office and a densely equipped workspace of the same size may need different inspection time.

Inspection scope and methods

Ask whether the quote covers a physical search as well as electronic checks. A short radio-frequency scan is a different service from a broader inspection using several complementary methods. The number of equipment names alone does not establish quality; ask how the proposed methods address your concern.

Access and attendance

Locked rooms, restricted equipment, working premises and multiple sites can affect scheduling and time. Establish whether travel, parking, additional attendance or evening work changes the price.

• The property and rooms or areas to be checked.
• The inspection methods and important exclusions.
• Estimated attendance time and arrangements if more time is needed.
• What explanation or written report you will receive.
• The total fee, stating whether VAT and travel are included.
• Whether follow-up attendance, removal or forensic examination is separately charged.
• Who must authorise extra work before it is undertaken.

Ask what happens if part of the premises cannot be accessed. A quotation should make the limits clear rather than imply an unrestricted search.

Compare like-for-like scope. A lower quote may cover fewer rooms or a shorter inspection; a higher one may include work you do not need. Neither price alone proves competence.

Illustrative example: one proposal covers accessible meeting rooms and a verbal explanation; another includes a larger office area and a written report. These are different deliverables, not evidence that one provider is overpriced. This is a comparison example, not a Bluemoon case or price.

Do not assume that the price includes mobile phone spyware analysis, computer forensics, penetration testing, destructive opening of building fabric, removal of suspicious items or expert evidence. Request a separate scope where relevant.

A clear result describes the inspected areas and conditions. It cannot promise that a property will remain free of surveillance after attendance.

Provide the postcode, property type, approximate floor area, room count, areas of concern, access restrictions and preferred dates. State whether you need written reporting or have several properties. A concise factual account is more useful than a long list of assumptions.

Our guide to how bug sweeping works explains the inspection stages. For capabilities and limitations, see hidden camera and listening device detection.

Can you give a quote without visiting?

An initial written scope can often be discussed using property details or a floor plan. The provider should explain any assumptions and whether a visit is required before a firm quotation.

Does finding no device mean the inspection was wasted?

Not necessarily. A properly scoped inspection can document checks and limitations and identify practical security improvements. No finding is not a guarantee that no device exists.

Is a home bug sweep always cheaper than an office sweep?

No. Property complexity, access and inspection scope matter alongside size; the residential or commercial label alone does not determine the cost.

Compare the scope, deliverables and total charges before choosing a bug sweep. A useful quotation tells you what will be checked, what will not, and how findings will be explained.

FCDO Services / UK NACE: Technical Surveillance Countermeasures explains the role of physical and technical searches in technical security. This is general background, not an endorsement of Bluemoon or a specification of our service.

Prepared 3 November 2026. This guide explains general inspection principles. It does not establish that surveillance is occurring or promise a particular detection result. Technical methods and deliverables must be agreed for each instruction.