Gardening and landscaping
Professional weed treatment
Whether this needs a licence in Ireland
Licence required
Registered professional user of plant protection products
Registered professional user of plant protection products, issued or supervised by the Department of Agriculture, Food and the Marine. Ask for the registration number before the work starts and check it on the public register. Check the register: www.pcs.agriculture.gov.ie
Wording approved by Talqero; not yet reviewed by a solicitor
Professional weed treatment: what the job involves
Controlling weeds in lawns, beds, driveways and paving with professional herbicides, applied by a DAFM-registered professional user — or by non-chemical means such as hot water or burning-off where that suits. It includes invasive plants such as Japanese knotweed, which need a multi-year plan.
Also asked for as: weed control · weed killing service · Japanese knotweed removal · driveway weeds · weed spraying
How the job is usually done
- Identify the weeds and the surfaces: lawn weeds, paving joints, gravel, beds or an invasive species.
- Check for water nearby — wells, streams, drains — and for children, pets and edible crops.
- Choose the method: selective lawn herbicide, a total herbicide on hard surfaces, hot water or foam, or manual removal.
- Apply in suitable weather — dry, calm and not before rain — with a tested sprayer and protective equipment.
- Mark or tell you how long to keep off treated areas.
- Return to check the result and treat regrowth, as agreed.
- For knotweed: a written management plan over several seasons, with any spoil handled as controlled material.
Professional weed treatment: what is included
Usually included
- Identification, treatment and a follow-up check
- A note of products used and re-entry times
Usually not included — agree it separately
- Digging out dead weeds and raking gravel, unless agreed
- Excavating and disposing of knotweed-infested soil
- Re-sanding paving joints after treatment
Materials and who supplies them
- Herbicides, adjuvants and protective equipment — supplied by the registered contractor
- Sprayers and hot-water units — the contractor’s own
How long it takes
A visit of an hour or two for most homes, with a return a few weeks later; Japanese knotweed takes several seasons of treatment.
When to book
Most herbicides work best when weeds are actively growing in late spring and summer; knotweed is treated in late summer and early autumn, before the first frost.
Professional weed treatment: the rules in Ireland
What the official sources say, checked against them on the date shown. A summary, not legal advice — follow the link to read the rule itself.
Since 26 November 2015 only a DAFM-registered professional user may apply plant protection products authorised for professional use, and a sprayer used for them must have passed a Pesticide Application Equipment Test. A householder may use only products authorised for amateur use, without registration.
Applies to: anybody applying weedkiller, moss killer or fungicide in the course of their work
Department of Agriculture, Food and the Marine, Pesticide Registration and Control Divisions (S.I. 155/2012, Sustainable Use Directive) · pcs.agriculture.gov.ie · Checked 9 October 2026
A householder may buy and use only plant protection products authorised for amateur use, and must follow the label and protect water.
Applies to: the householder
Department of Agriculture, Food and the Marine · pcs.agriculture.gov.ie · Checked 9 October 2026
It is an offence to plant, spread or cause to disperse a plant listed in the Third Schedule — Japanese, giant and Bohemian knotweed, Himalayan balsam, giant hogweed and others — which includes moving soil or cuttings from infested ground. Taking all reasonable steps is a defence.
Applies to: the landowner and anybody who digs, cuts or moves the plant or its soil
European Communities (Birds and Natural Habitats) Regulations 2011 (S.I. 477/2011), regulation 49 · irishstatutebook.ie · Checked 9 October 2026
Collecting waste for reward — grass clippings, hedge cuttings, soil, old slabs — needs a waste collection permit, and a householder may only hand waste to an authorised collector or bring it to an authorised facility.
Applies to: the gardener or landscaper who takes waste away, and the householder
Waste Management Act 1996, sections 32 and 34; National Waste Collection Permit Office · revisedacts.lawreform.ie · Checked 9 October 2026
What professional weed treatment costs, and why
What jobs on Talqero came to
Not enough comparable jobs yet to publish a range here. Talqero shows a price range only once at least five comparable jobs, agreed prices or offers exist — a range from fewer would describe a handful of jobs, not the market. Post your job and compare the offers you get.
What affects the price
- Area and surface: lawn, beds, paving or gravel
- Type of weed — invasive species need specialist plans
- Chemical or non-chemical method
- Number of visits and follow-ups
- Removal of dead growth or soil
- VAT: building work on a home is charged at the reduced rate of 13.5% by a VAT-registered business — unless the materials come to more than two-thirds of the price, when Revenue’s two-thirds rule applies the goods rate to the whole job. Ask whether a quote includes VAT.
Paperwork to ask for at the end
- The contractor’s DAFM professional user registration number
- A record of products used, the date and re-entry times
- For knotweed: a management plan and treatment record, which a buyer’s solicitor or a lender may ask for
Safety
- Keep children and pets off treated areas for as long as the label says.
- Tell the contractor about wells, ponds, streams and vegetables nearby.
- Never pour leftover weedkiller down a drain — it goes to a civic amenity site as hazardous waste.
Professional weed treatment: before you hire
Questions to ask a tradesperson
- What is your DAFM professional user registration number?
- Which product will you use, and how long should we stay off the area?
- For knotweed: what is the plan, over how many years, and will I get a record I can show a buyer?
- Will you come back to treat regrowth?
What you can do yourself
Hand-weeding, mulching and spot-treating with garden-centre amateur products are fine for householders; professional products and invasive species need a registered professional.
What to put in your task
- Where are the weeds?
- Do you suspect an invasive plant?
- Are you happy with chemical treatment?
- Is there a well, pond or stream near the area?
- Roughly how big is the area?
Photos that help
- Close-ups of the weeds, including leaves and stems
- The whole area treated, showing surfaces
- Any water, drains or vegetable beds nearby
Professional weed treatment by county
Choose your county for professional weed treatment close to home.
- Professional weed treatment in Dublin
- Professional weed treatment in Cork
- Professional weed treatment in Galway
- Professional weed treatment in Kildare
- Professional weed treatment in Limerick
- Professional weed treatment in Meath
- Professional weed treatment in Tipperary
- Professional weed treatment in Donegal
- Professional weed treatment in Wexford
- Professional weed treatment in Kerry
- Professional weed treatment in Wicklow
- Professional weed treatment in Mayo
- Professional weed treatment in Louth
- Professional weed treatment in Waterford
- Professional weed treatment in Clare
- Professional weed treatment in Kilkenny
- Professional weed treatment in Westmeath
- Professional weed treatment in Laois
- Professional weed treatment in Cavan
- Professional weed treatment in Offaly
- Professional weed treatment in Sligo
- Professional weed treatment in Roscommon
- Professional weed treatment in Monaghan
- Professional weed treatment in Carlow
- Professional weed treatment in Longford
- Professional weed treatment in Leitrim
Gardening and landscaping
Need professional weed treatment? Describe the job.
Post it once, free. Professionals near you reply with their own price and when they could start. You choose, and pay them directly.
Questions about professional weed treatment
Does professional weed treatment need a licence in Ireland?
Yes. Registered professional user of plant protection products, supervised by the Department of Agriculture, Food and the Marine. Source: www.pcs.agriculture.gov.ie. Ask for the registration number and check it on the public register. Wording approved by Talqero; not yet reviewed by a solicitor.
Does a weed-control company need a licence?
Anybody applying professional plant protection products for work must be registered with the Department of Agriculture as a professional user, and their sprayer must be tested. Ask for the registration number.
Is Japanese knotweed a legal problem?
Letting it spread, or moving soil or cuttings from infested ground, can be an offence under the 2011 Habitats Regulations. It is also raised by buyers’ solicitors and some lenders when a house is sold. A treatment plan with records is the answer.
Will treatment kill my lawn?
Not if a selective lawn herbicide is used, which targets broadleaf weeds such as dandelion and clover and leaves the grass. Total herbicides are only for paving, gravel and cleared ground.