Signs you need treatment

Signs of outdoor wood cockroach activity

Large cockroaches around the exterior

Dark brown, larger cockroaches seen on exterior walls, paths, in the garden, or near woodpiles, typically more active at night.

Cockroaches entering from outside

Occasional cockroaches found inside the property, particularly near exterior doors, ground-floor entry points, or after rain.

Activity around garden beds or mulch

Wood cockroach activity in garden beds, under mulch, in leaf litter, or around compost and organic material.

Presence near woodpiles or decking

Cockroaches found under decking, in woodpiles, under timber stored against the property, or in other sheltered outdoor areas.

Seasonal increase in activity

A noticeable increase in cockroach activity in spring and summer as temperatures rise and outdoor populations become more active.

Previous German cockroach treatment not effective

If a previous German cockroach treatment has not resolved the issue, the cockroaches may be wood cockroaches entering from outside, requiring perimeter treatment rather than an indoor approach.

Treatment overview

How outdoor wood cockroach treatment works

Wood cockroach treatment focuses on the exterior perimeter and garden areas where the population is established. A residual insecticide is applied to the perimeter, garden beds, paths, and other areas where activity is concentrated. Where cockroaches are entering the property, treatment also targets the entry points.

01

Identify the source and activity areas

We assess where the outdoor population is concentrated, garden beds, woodpiles, decking, and exterior paths, and identify any entry points into the property.

02

Perimeter treatment

Residual insecticide applied to the property perimeter, garden areas, and surfaces where cockroach activity is concentrated.

03

Entry point treatment

Where cockroaches are entering the property, treatment is applied to exterior entry points and the adjacent interior areas.

04

Aftercare and sanitation advice

We advise on environmental measures, woodpile placement, mulch management, lighting, that can reduce ongoing population pressure.

Pricing

Outdoor wood cockroach pricing

Full interior and exterior treatment, with a 3-month warranty.

The price you see is the price you pay. No GST, and a confirmed quote before any work begins.

From $1951-2 bedroom home

From $2953-4 bedroom home

From $3205+ bedroom home

3-month warranty on all residential treatments

Quarterly maintenance from $135 a quarter, recommended to stay on top of wood cockroaches year-round. Commercial sites are quoted on site.

Before treatment

Before we arrive

You do not need to vacate the property for this treatment
Keep children and pets out of rooms while the technician is treating; re-entry is fine once surfaces are dry
Clear access to kitchens, under sinks, behind appliances, and any areas where activity has been seen
Put away exposed food and pet bowls during the visit

After treatment

What to expect afterwards

Open windows to ventilate and help the products dry
Do not wipe or wash treated edges, skirtings, or areas behind appliances, as this removes the residual product
Some activity in the first one to two weeks is normal as cockroaches contact the treated surfaces and baits
A clear reduction is usually seen within two to three weeks
Covered by a 3-month warranty; contact us if activity has not settled within that period

Reducing organic material and moisture around the perimeter supports treatment effectiveness over time.

Common questions

Outdoor wood cockroach treatment, questions we're often asked

Wood cockroaches are larger (25-35mm), darker brown, and predominantly outdoor insects. German cockroaches are smaller (10-15mm), lighter brown, and almost exclusively found indoors near warmth and food sources. If you're unsure, describe what you're seeing when you get in touch and we'll help identify the species.

Yes, wood cockroaches can enter properties through gaps around doors, vents, pipes, and other entry points, particularly at night or after heavy rain. However, they do not establish indoor colonies in the way German cockroaches do.

For wood cockroaches, perimeter treatment is usually the primary approach. Where cockroaches are actively entering the property, treatment at the entry points may also be recommended.

Most residual perimeter treatments provide several weeks to months of protection. Effectiveness can be reduced by heavy rain on exposed surfaces. Annual or bi-annual treatment is common for properties with ongoing pressure.

Only if both species are present. If the cockroaches you're seeing are exclusively outdoor wood cockroaches, perimeter treatment is the appropriate response.

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