Clearsafe Knotweed
Based in Pontardawe, Swansea · Covers Swansea, Cardiff, Newport and most of South and West Wales Accreditation stated by provider: PCA full member, ConstructionlineOwn website
03 · Existing buildings & works · Condition
Japanese knotweed survey in Wales
12 providers offering japanese knotweed survey in or across Wales, including national firms. The rules in Wales differ from England’s, so see the notes below.
The rules in Wales
The same legal position and PCA-accredited treatment approach applies across Wales.
12 invasive plant specialists for Wales
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Based in or covering Wales (8)
Element Knotweed
Based in South Wales · Covers South and West Wales incl. Swansea, Cardiff, Newport, Bridgend, Carmarthenshire and Pembrokeshire Accreditation not yet checkedOwn website
Environet UK
Based in Send, Woking, Surrey · Covers England and Wales Accreditation stated by provider: Property Care Association, CHAS, ConstructionlineOwn website
Green Leaf Remediation
Based in South and West Wales · Covers South and West Wales (Swansea, Cardiff, Newport, Ceredigion, Powys), Bristol, the West Country, Shropshire and the Midlands Accreditation stated by provider: PCA member, PCA Japanese Knotweed Certificated SurveyorOwn website
Japanese Knotweed Elimination Ltd
Based in Tonna, Neath · Covers Across Wales incl. Swansea, Neath, Cardiff, Llanelli, Carmarthen, Haverfordwest, Merthyr and the Valleys Accreditation stated by provider: PCA member, PCA Certificated Surveyor in Japanese KnotweedOwn website
Japanese Knotweed Removal Wales
Based in Cardiff and Brynsiencyn, Anglesey · Covers Throughout Wales – Cardiff, Wrexham, Anglesey, Bangor, Bala, Dolgellau, Ceredigion and Powys Accreditation stated by provider: PCA qualified, TrustMark, The Amenity Standard, City & GuildsOwn website
White Rock Knotweed Solutions
Based in Swansea / Cardiff · Covers Swansea, Carmarthenshire, Neath Port Talbot, Bridgend, Cardiff, Newport, Pembrokeshire and Bristol Accreditation stated by provider: PCA member, TrustMark, Which? Trusted Trader, CHAS, SafeContractorOwn website
Zen Knotweed
Based in Cardiff Bay, Cardiff · Covers Cardiff, Newport, Vale of Glamorgan, Bridgend, Swansea, the Valleys, Monmouthshire, Brecon and Bristol Accreditation stated by provider: PCA full member, TrustMarkOwn 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) East of England (3) South West (4) West Midlands (6) Northern Ireland (3)
Getting signed off in Wales
Building control in Wales works much like England. Your council or a registered building control approver checks the work and issues a completion or final certificate. Wales has its own Approved Documents, and all new and converted homes must have sprinklers.