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Mice typically move indoors when external food becomes scarce (autumn) or when their existing harbourage is disturbed (nearby construction, demolition). Common entry points: gaps under doors, holes around utility pipes, vents without rodent mesh, gaps in roof tiles. Once one mouse finds food and shelter, others follow. Treatment combines baiting (eliminate the colony), inspection (find entry points), and proofing (seal gaps). DIY traps catch some but rarely clear an established infestation.

For ants and small wasp nests in inaccessible places, OK — DIY products work. For rats, mice, bedbugs, fleas, cockroaches, professional treatment is more reliable and faster. Reasons: identification matters (different mouse species, different baits), product strength (professional baits work where supermarket products don't), and proofing knowledge (catching is half the battle, sealing is the other half). DIY for established infestations often delays the inevitable professional call while the problem worsens.

Yes when done by a competent professional. Modern rodenticides are placed in tamper-resistant bait boxes inaccessible to children and pets. Insecticides used indoors are typically low-toxicity actives applied to surfaces children don't touch (skirting boards, behind appliances). Always tell the technician about children and pets in advance — they adjust products and placement. Avoid operators who don't ask about household composition before quoting.

No, professional treatment is non-destructive. Bait stations are placed and removed; surface insecticides leave no residue beyond a few weeks; fumigation (very rare in domestic settings) is only used for severe specific cases. The exception is bedbug heat treatment, which heats rooms to 50°C+ and can affect candles, plastics, and electronics — your technician will advise on what to remove first. Standard treatments leave no marks, no smells after 24 hours, no damage.

Wasp nest: 1–3 days for full die-off. Mice and rats: 1–3 weeks for complete elimination. Fleas: 2–4 weeks (eggs hatch over time, requiring follow-up treatment). Bedbugs: 2–6 weeks for full clearance, often requiring 2–3 visits. Cockroaches: 4–6 weeks for established infestations. Most treatments include a follow-up visit at 2–3 weeks to confirm clearance and re-treat if needed. Reputable companies guarantee clearance within a defined window.