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Safety-first choosing guides

How should you choose home diagnostic and safety products?

A safety-first UK guide to home diagnostic, monitoring, alarm and light retrofit products, with explicit commercial disclosures.

Review the commercial-disclosure evidence.

Choose a category to compare what a product can safely help with and what it cannot establish. Homecode does not take payment or complete an order. A shop link is shown only when a destination has passed the current checks; none are published today.

Evidence sources

  • Unfair commercial practices (CMA207)

    Competition and Markets Authority

    Supports: DMCC Act context: commercial intent must be identified specifically; unclear, untimely or hard-to-see information can be omitted; consumer decisions can occur before any in-principle decision to purchase.

    Checked .

  • CAP Code Section 2 — Recognition of marketing communications

    Committee of Advertising Practice

    Supports: Marketing must be obviously identifiable and its commercial intent clear.

    Checked .

  • Reviews and endorsements: principles for social media platforms

    Competition and Markets Authority

    Supports: Direct or indirect ownership is a commercial relationship and advertising should be recognisable as soon as a reader engages.

    Checked .

  • Thermal Imaging

    Historic England · England technical guidance

    Supports: Thermography records surface heat-energy variation and needs building context for interpretation. Electrical thermography involving removed covers is live work and outside homeowner observation.

    Checked .

  • Investigation of Moisture and its Effects on Traditional Buildings

    Historic England · England technical guidance

    Supports: Moisture does not by itself establish damp or damage. Misdiagnosis can waste money and remedial work can make a problem worse.

    Checked .

  • Carbon monoxide: general information

    UK Health Security Agency · UK

    Supports: If an alarm sounds or a leak is suspected, stop appliances, evacuate, contact the relevant emergency service, do not re-enter and seek medical help. A carbon monoxide alarm is not a substitute for regular appliance servicing.

    Checked .

  • Detection: how to choose, fit and test smoke alarms

    UK Government Fire Kills campaign · England public fire-safety campaign

    Supports: Working smoke alarms provide early warning and should be tested at least monthly. Mains-powered alarms need a qualified electrician. In a fire: get out, stay out and call 999.

    Checked .

How to choose

  1. No shop link is published today

    No product and shop have passed the current relevance, ownership, offer, delivery and safety checks. Homecode does not substitute an unchecked third-party offer, and it does not take payment or complete an order.

  2. Choosing guides stay available without a purchase path

    Use the category guides to compare what a tool can safely help with and where it must stop. If a verified external shop link is added later, the destination shop sets the live offer. Homecode cannot complete a purchase.