Environet UK
Based in Send, Woking, Surrey · Covers England and Wales Accreditation stated by provider: Property Care Association, CHAS, ConstructionlineOwn website
03 · Existing buildings & works · Condition
Japanese knotweed survey in the East of England
7 providers offering japanese knotweed survey in or across the East of England, including national firms. A specialist surveyor, often accredited by the Property Care Association’s Invasive Weed Control Group.
Who needs oneBuyers and sellers of a property with suspected knotweed, or anyone building near it
Who can do itA specialist surveyor, often accredited by the Property Care Association’s Invasive Weed Control Group
WhenAs soon as it’s suspected, since treatment plans run over several growing seasons
7 invasive plant specialists for the East of England
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Based in or covering the East of England (3)
Japanese Knotweed Eradication
Based in London · Covers London and the M25 area, including Kent, Surrey, Sussex, Essex, Hertfordshire and Hampshire Accreditation stated by provider: Property Care Association, TrustMarkOwn website
Japanese Knotweed Group Ltd
Based in Caterham, Surrey · Covers London and the South East including Kent, Surrey, Sussex, Hampshire, Berkshire and Essex Accreditation not yet checkedOwn website
National providers (check they cover your area) (4)
Complete Weed Control
Based in Newton Aycliffe, County Durham · Covers Over 50 UK and Ireland offices Accreditation stated by provider: BASIS, NPTC, ISO 9001, ISO 14001Own websiteUK-wide
Invasive Vegetation Management & Treatment Ltd (IVM)
Based in Water Orton, Birmingham · Covers Midlands and nationwide; offices in Sedgley, Cambridge and Witney Accreditation stated by provider: PCA registered contractor, CSJK surveyors, CHAS, Constructionline, TrustMarkOwn websiteUK-wide
Phlorum
Based in Brighton, East Sussex · Covers National team; air quality work focused on southern England Accreditation stated by provider: PCA accredited, ISO 9001, ISO 14001, ISO 45001, Expert Witness Institute member, Trustmark registered, River Restoration Centre memberOwn websiteUK-wide
TP Knotweed Solutions
Based in Banbury, Oxfordshire · Covers Whole of the UK Accreditation stated by provider: PCA Approved, CSJK-certified surveyors, NPTC-certified contractorsOwn websiteUK-wide
Japanese knotweed survey in other regions
London (4) South East (6) South West (4) West Midlands (6) Wales (8) Northern Ireland (3)
About japanese knotweed survey
Japanese knotweed can damage structures and is notoriously difficult to get rid of. If it’s suspected on a property you’re buying, selling or building near, mortgage lenders will usually want a survey and a management plan from a specialist before they’ll lend.
Getting signed off in England
In England, your council’s building control team or a registered building control approver checks the work. They issue a completion or final certificate once they have the reports they need, such as the as-built SAP, EPC, air test and any sound or ventilation test results.