Japanese knotweed removal in Solihull

Solihull runs from leafy suburban gardens to plots backing onto the Blythe valley and the railway lines into Birmingham, and knotweed can cross a fence here as easily as anywhere. We confirm the plant, record its category and produce the plan a lender needs for a sale.

What does Japanese knotweed removal in Solihull involve?

Japanese knotweed removal in Solihull covers the whole job for a suburban garden: a survey that maps the stand against the house, a herbicide or excavation plan, controlled-waste disposal and a guarantee lenders recognise.

Larger Solihull gardens give the plant room to hide behind shrubs and along a stream bank, so confirmation matters. Reynoutria japonica spreads by rhizome, and our page explaining how to identify Japanese knotweed by its leaf shape and zigzag stems helps you tell it apart from look-alikes.

From Shirley and Olton to Knowle and Dorridge, we survey in person and set out a priced plan. Read about the methods on our Japanese knotweed removal and treatment page.

Where does Japanese knotweed grow in Solihull?

Solihull knotweed mostly arrives along the River Blythe and the railway corridors toward Birmingham, so larger gardens backing onto watercourses and old railway land in Shirley, Knowle and Dorridge are where stands are most often found.

Public records show 366 mapped sightings within 8 km of Solihull town centre on GBIF, the earliest from 1987, which ranks the borough 21st among our 30 areas. Because the 8 km circle reaches into south Birmingham, part of that total lies over the boundary.

A leafy plot offers no protection. Imported topsoil, garden waste dumped over a back fence and fragments carried by a stream can all start a stand.

Will Japanese knotweed affect my Solihull mortgage or sale?

Japanese knotweed can affect a Solihull mortgage or sale, since valuers use the RICS 2022 standard to check for the plant within a 3 metre zone of the building and place the finding in Category A, B, C or D.

On a bigger plot, the stand may sit further from the house, and distance is one of the things the category reflects. The Law Society TA6 form still asks the seller to declare it, and since 2020 "no" is reserved for a seller certain that no rhizome lies within 3 metres of the boundary.

We provide a 10 year company guarantee for completed work, and an insurance-backed guarantee can extend cover to 15 years. Our report gives the solicitor the category, extent and plan.

How much does Japanese knotweed removal cost in Solihull?

In Solihull, knotweed removal costs around £2,500 to £7,000 for herbicide treatment, and £6,000 to £15,000 or more if we excavate, a figure that rises on bigger plots where the stand has had years to spread.

These are indicative ranges until we survey. Garden access matters a great deal here: a wide drive lets a digger in easily, whereas a stand at the far end of a long lawn may mean protecting the turf and carrying spoil further.

Haulage distance to a licensed facility and any deadline for completion affect the quote too. See our breakdown of knotweed removal costs by method.

How long does knotweed treatment take in Solihull?

Solihull knotweed treatment with herbicide normally lasts about three growing seasons, involving two to three visits a year and a monitoring period, while excavation removes the stand in one to five days on site.

Herbicide is applied while the plant is in leaf, which runs from about May to October. Surveys go ahead in any month, and a winter visit often finds last year's brown canes still marking the stand.

For owners staying in the house, the slower and cheaper route often suits. A pending sale may justify excavation, and the guarantee starts once either method is complete.

Is knotweed from next door my responsibility in Solihull?

In Solihull, a neighbouring owner who lets Japanese knotweed spread onto your garden can be liable in private nuisance, and the council may use a Community Protection Notice under the Anti-social Behaviour, Crime and Policing Act 2014.

You still need to manage what is now on your side, because the rhizome does not stop at the fence. Gardens backing onto the Blythe or the railway may share a boundary with a landowner rather than a neighbour.

We record where the stand started, how far it has crossed and what lies between, which gives a solicitor a dated account. Our report stays with the facts we can see on site.

How is knotweed waste disposed of in Solihull?

Solihull knotweed waste is handled as controlled waste: under section 34 of the Environmental Protection Act 1990 we owe a duty of care to move it with a waste transfer note to a licensed facility.

Green waste bins, compost heaps and household recycling centres are all off limits for rhizome and contaminated soil. Putting it there risks prosecution and a new stand at the other end.

For every Solihull dig we note the volume and the receiving site and give you the paperwork, which a buyer's solicitor may later ask to see alongside the guarantee.

Why choose SE Knotweed for Japanese knotweed removal in Solihull?

Solihull homeowners get a written plan from SE Knotweed that spells out the RICS category, the chosen method, how many seasons it will take and what it will cost, prepared by a CSJK qualified surveyor who has walked the garden.

Behind that plan, we are PCA approved for invasive weed control, hold TrustMark registration under licence 2902558, and operate as the knotweed trading style of SE Environmental Ltd. If a buyer's lender has questions, we answer them from the same report.

We cover Hall Green, Castle Bromwich, Marston Green and the rest of the borough, along with Birmingham and Coventry nearby. Ask us for a survey date.

Local coverage across Solihull

  • Shirley
  • Knowle
  • Dorridge
  • Olton
  • Castle Bromwich
  • Marston Green
  • Hall Green

Recorded knotweed sightings around Solihull

Source: GBIF open occurrence data for Reynoutria japonica, 366 mapped records within 8 km of Solihull (1987 to 2026), aggregating NBN Atlas, iNaturalist, BSBI and local-authority datasets. The map plots the 150 most recent. View on OpenStreetMap.

Public records place 366 mapped knotweed sightings around Solihull, part of 137,948 across Britain. Among the 30 areas we cover, Solihull sits 21st for recorded sightings, so a survey is the reliable way to confirm what is on your own plot.

Common questions in Solihull

Do larger gardens in Solihull carry more knotweed risk?
Where a garden backs onto a stream, wooded boundary or old railway land the risk is higher, because those are the routes the plant follows. A survey records how close a stand sits to any structure and the boundary.
Do you offer a guarantee mortgage lenders accept?
Yes. We provide a 10 year company guarantee, with insurance-backed guarantee cover available up to 15 years, which is the document a Solihull lender looks for before releasing funds.

Nearby areas we cover

Knotweed at a Solihull address?

Book a survey and we confirm the plant, record the RICS category and give you a costed plan.

Call 0800 852 7784Book a survey
Call 0800 852 7784