Surveys and removal for Northwich building sites.
Free photo ID check · Mon–Fri 8am–6pm, Sat mornings
On former works land, riverside plots and redeveloped yards, a stand discovered once the diggers are in can be a costly surprise. A survey beforehand lets treatment, excavation or on-site burial be built into the programme, with a method statement for the contractor.
Check the land's history before committing. Former works, railway edges, canal wharves and old yards can all have buried fill, and knotweed can hide in rough ground or among scrub through the winter. A survey in the growing season is best, but a winter one still has value. Ask for earlier site reports, planning documents and any ground investigation. Mapping the stand before design work lets the plot layout avoid the worst of it and gives you a basis for the price negotiation.
Spraying alone can take several seasons, which may clash with a start date. Excavation, either removal or burial on site, is quicker but needs planning, space and paperwork. Many sites combine methods: a treatment programme in the early seasons, then digging where foundations or services are due. Tell the surveyor your intended footprint, access routes and stockpile areas early. Soil movement across the site must be controlled so fragments are not spread into areas that were previously clear.
Keep a full file: survey, treatment plan, waste transfer notes, photographs and any guarantee. Buyers' solicitors, lenders and warranty providers on new homes often ask for it. If plots are sold off one at a time, check that each buyer receives the relevant records and understands what remains. On a larger scheme, agree who is responsible for monitoring after completion, particularly along boundaries shared with the old canal edge, adjoining gardens or land owned by someone else.




A leaf and a length of stem, through the form or by message. Free.

For a confirmed knotweed stand, we visit, measure it and record what sits nearby.

Spraying across a few seasons, or digging it out when the date matters.

A written plan for your files and your lender, plus follow-ups until regrowth stops.
Every job starts with a free photo check. If a visit is needed, you get a written quote before any work starts — no obligation, no surprises.
Northwich town centre· Hartford· Davenham· Barnton· Winnington· Greenbank· Leftwich· Castle· Wincham and Lostock Gralam· Weaverham and Rudheath
Knotweed survey We visit, confirm the plant, measure it and write up what we find.
Free knotweed ID from a photo Send a picture and we say what it is. No charge.
Knotweed plan for mortgages and sales The management plan lenders and buyers' solicitors ask to see.
Knotweed from a neighbour A dated record of where the stand is and which way it is heading.
Knotweed spraying programme Herbicide applied through the growing season, over several years.
Knotweed excavation Removing the stand and its rhizome in a matter of days.
Knotweed root barrier Heavy-duty membrane set upright to keep rhizome on its own side.
Knotweed for landlords Surveys and treatment for rented houses and flats.