Events and Training


INNSA will be running a selection of members only training sessions, briefing courses and seminars specifically for its members over the coming months. To get regular updates register your details here.

Basis invasive and injurious weeds module 2019

Monday 8th April: Legislation, transport, storage & best practice

Tuesday 9th April: Pesticide modes of action & formulation

Tuesday 16th April: Invasive & injurious weeds: Principles & practices of control

Wednesday 17th April: Application techniques, level of control, cost-effectiveness & environmental implications

Monday 13th May: Revision & mock exam

Thursday 23rd May: Exam tbc

Friday 24th May: Exam tbc

Venue: Cityscape Academy, Houldsworth Business Centre, Houldsworth Mill, Houldsworth Street, Reddish, Stockport, SK5 6DA

Course times: 9.00 a.m. – 4.00 p.m.

Contacts: Cityscape Academy – 0161 850 1603

Cost: INNSA members: £1200 + Vat plus BASIS examination fee £ 390* + VAT. Non-Members: £1500 plus Vat + Vat plus BASIS examination fee £390* +VAT

*Examination fee subject to change up until candidates are registered.

Candidates must have a good working knowledge of weed management and it is advisable to have 18-months work experience in weed control. It would also help candidates to hold an NPTC PA1 PA6 license and experience in weed treatment.

Personal time should be allocated for self-study and revision outside of the main tutorial periods. Additional learning material maybe required/downloaded to assist in learning for the examinations.

Successful candidates will be required to maintain their knowledge through continual progressive development (CPD). Points are allocated by BASIS and accumulated by candidates through the year by attending courses, meetings, exhibitions and self-study. The current criteria and additional information can be obtained through the BASIS website

Course are subject to minimum numbers and can be withdrawn or merged with other dates if these numbers are not met.

We have a large number of hotels in the surrounding area to meet all needs and budgets and details will be provided on confirmation. Refreshments, tea & coffee are provided throughout the course, but lunch is not included. We have a large number of shops and cafes within a short walk or we recommend that you bring your own lunch with you.

Full joining instructions and course information will be provided when delegates have been registered.

Should you have any questions or queries, please call the training team on 0161 850 1603 or email [email protected]

INNSA Annual Conference 2018


INNSA Annual Conference 2018
This year’s conference is entitled “Reducing Risk, Cost and Time – The INNSA Answer!”

The day starts at 10.30am with coffee and registration and our Chairman, James Sherwood-Rogers, will then open the proceedings. Our morning speakers include Mark Sexton, Development Director at Wiggett Group, Rodger Burnett and Dorothea Antzoulatos of Charles Lyndon who will be joining us again giving the latest update on the Network Rail legal case.

Two workshops follow on ‘Best practice when treating and dealing with Japanese Knotweed’ and ‘Real life case studies’.

After lunch where there will be chance to visit the exhibition stands, Barrie Hunt of Monsanto will give a Glyphosate update. Mike Ockenden and Chris Oliver will then talk about the Code of Practice and the Invasives Code and Paul Denny will end the day with more on the Insurance Backed Guarantee.

Bookings are still being taken – please call Gemma on 0800 1300 485 or email [email protected]

INNSA Annual Conference 2017


The third INNSA Conference will be held on 30th March at the Riverside Centre in Derby.

The conference will commence with an introduction to invasives, the legal issues and regulation of the Invasives Code by the Property Codes Compliance Board.

We are delighted that the following speakers from within the industry will be joining us, these include:

Kate Faulkner from Designs on Property and the PCCB

Richard Stow from Lloyds Bank

Paul Denny from InsureRisk

Prof John Moverley OBE from The Amenity Forum

There will also be an update from INNSA Board members and the launch of the new Technical Code of Practice.

We welcome representatives from local authorities, lenders, the surveying community and conveyancers, as well as members and potential members.

Places are limited so please contact Gemma for a booking form – e-mail [email protected]

INNSA Annual Conference 2016


The Second INNSA Conference will be held on 15th March at the Riverside Centre in Derby.

The conference will commence with an update from Defra and the Environment Agency and there will be a presentation by Coventry City Council who have taken a proactive approach in dealing with Japanese Knotweed.

We are delighted that the following speakers from within the industry will be joining us, these include:

Trevor Salmon from Defra

Maria Jarosz from Network Rail

Trevor Renals from the Environment Agency

Prof John Moverley OBE from The Amenity Forum

Lindsay Smith will talk about The Amenity Assured Scheme.

After lunch, there will be a session on the challenges for property surveyors and an update on the INNS Code from the Property Codes Compliance Board.

Places are limited so please contact Gemma for a booking form – e-mail [email protected]


New BASIS Invasive and Injurious Weeds Course

A new Invasive and Injurious Weeds course from BASIS, supported by INNSA, is launched in September and will run up to four times a year. Completion of the course and an annual inspection is required for members of INNSA

Case Studies

River Douglas, Wigan

River Douglas, Wigan Treatment of large amounts of Japanese...
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Narvick Way, North Tyneside

Narvick Way, North Tyneside Excavation from construction area, with...
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Lanark Way, Belfast

Lanark Way, Belfast Site survey and treatment plan for...
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A44, Wolvercote

A44, Wolvercote Mechanical remediation strategy (via vacuum excavation) for...
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