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    Newcastle, Northern Ireland · BT33

    Giant Hogweed Removal in Newcastle

    Looking for giant hogweed control near you in Newcastle? We survey, treat and remove giant hogweed for homeowners, landlords, developers and councils across Newcastle and the surrounding Northern Ireland villages. Photo identification and an online quote are free; a professional on-site survey with a written report starts from £250 and is credited against the works if you proceed.

    Newcastle site visits

    Surveyors covering BT33 and the wider Northern Ireland area.

    10-year guarantee

    Insurance-backed and transferable on sale.

    £10m liability cover

    Qualified operatives and licensed waste disposal.

    Why giant hogweed is a problem in Newcastle

    On Newcastle properties, giant hogweed sap causes severe phototoxic burns and long-term light sensitivity, which makes it a genuine safety issue on footpaths, riverbanks and school boundaries. In Newcastle, Japanese knotweed and Himalayan balsam spread along the Shimna River and its tributaries, where floods and riverbank works carry rhizome fragments downstream. Verges and green spaces around Mourne Mountains and Tollymore Forest Park, along with new housing on the edge of town towards Dundrum and Castlewellan, are where we most often find established stands.

    Read more on our giant hogweed treatment guide or see the full Newcastle knotweed service.

    Newcastle coverage map

    Our surveyors cover Newcastle and the surrounding Northern Ireland villages and hamlets. The map below shows the area we work in daily for Japanese knotweed surveys, herbicide programmes and excavation.

    The marker sits on Newcastle town centre (54.2180, -5.8920). Service area: Newcastle and surrounding Northern Ireland parishes. View a larger map of Newcastle

    Local landmarks we work near

    • Shimna River
    • Mourne Mountains
    • Tollymore Forest Park

    Villages and hamlets covered

    • Dundrum
    • Castlewellan
    • Annsborough
    • Maghera
    • Bryansford
    • Clough

    Everything plotted on the Newcastle map is covered by our teams, including Dundrum, Castlewellan, Annsborough, Maghera, Bryansford and Clough, and the ground around Shimna River, Mourne Mountains and Tollymore Forest Park.

    How we treat giant hogweed in Newcastle

    Treatment method

    We use PPE-protected cut and spray, stem treatment and seed-bank monitoring over two to three seasons.

    Best timing

    Most effective spring, while rosettes are young and well before the flower heads set seed.

    Your legal position

    Also Schedule 9 listed — it is an offence to plant or cause it to grow in the wild, and duty of care applies where the public has access.

    Local coverage

    Newcastle and nearby Dundrum, Castlewellan, Annsborough.

    Giant Hogweed pricing near Newcastle

    Treatment programmes from £750 for a domestic plot; riverbank and amenity schemes quoted per metre. For a firm figure, send photographs through the free online survey or request a free online quote and we will price the Newcastle works the same day.

    Giant Hogweed in Newcastle — FAQs

    Treatment programmes from £750 for a domestic plot; riverbank and amenity schemes quoted per metre. Prices in Newcastle depend on the size of the stand, access to the rear of the plot and how far the site sits from a licensed disposal facility. Send photographs for a same-day Newcastle price.

    We use PPE-protected cut and spray, stem treatment and seed-bank monitoring over two to three seasons. Every Newcastle job is set out in a written plan with visit dates, and the work is carried out by qualified operatives under £10m liability cover.

    The most effective window is spring, while rosettes are young and well before the flower heads set seed. Outside that window we can still survey, fence off and plan the Newcastle works so treatment starts the moment conditions are right.

    Also Schedule 9 listed — it is an offence to plant or cause it to grow in the wild, and duty of care applies where the public has access. We provide the written records Newcastle owners, landlords and agents need to show the problem was dealt with properly.

    We cover Newcastle (BT33) and the surrounding villages, including Dundrum, Castlewellan, Annsborough, Maghera, Bryansford, Clough, plus the wider Northern Ireland area.

    Yes. Photo identification and an online quote are free — send images through the free online survey and we confirm the species and price the work the same day. A full on-site survey with a written report starts from £250 and is credited against the works.

    Knotweed is rarely the only problem on a Newcastle plot. The same crews treat running bamboo in Newcastle gardens, giant hogweed on Northern Ireland watercourses and Himalayan balsam along Northern Ireland riverbanks. If you are mid-sale, start with what mortgage lenders require for knotweed and our property survey reports.

    Species we treat in Newcastle

    Buying, selling or letting in Newcastle

    Who we work for in Newcastle

    Counties bordering Northern Ireland

    Other weeds we treat in Newcastle

    100% Free • No Obligation

    Free Online Survey

    Not sure what's growing? Upload photos through our free online survey or call 07849 464418 and our qualified experts identify 50+ species at no cost. Need someone on site? A professional survey with a full written report starts from £250.

    £10M insurance-backed guarantee
    Same-day photo identification

    No obligation. We never share your details.