Invasive Non-Native Species (INNS) Treatment

London Borough of Hounslow
London
Open procedure
13 January 2025 to 12 January 2030

Boroughwide removal of invasive and non-native species over a five-year period, targeting Japanese Knotweed, Giant Hogweed, Floating Pennywort, and Himalayan Balsam.

Open the official notice

Awarded value: £328k; As published
Published: 5 September 2024
Awarded: 6 December 2024; Japanese Knotweed Ltd
Contract length: 60 months; Ends 12 January 2030

What the contract covers

Services contract

Provision of invasive non-native species treatment and removal services for local authorities and public landowners

Boroughwide removal of Invasive and Non-Native Species (INNS), specifically Japanese Knotweed (Fallopia japonica), Giant Hogweed (Heracleum mantegazzianum), Floating Pennywort (Hydrocotyle ranunculoides) and Himalayan Balsam (Impatiens)

Terms and requirements

Contract type: Services contract
Procedure: Open procedure
Initial term: 60 months
Contract dates: 13 January 2025 to 12 January 2030
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Yes
Category: Services
CPV codes: 90721100, 03000000, 77000000

Services in this contract

Invasive non-native plant controlMain service£49k typicalBorough-wide removal of knotweed, hogweed, pennywort and balsam

Lifecycle

Published
5 September 2024
Contract awardedto Japanese Knotweed Ltd
6 December 2024
Contract starts
13 January 2025
Contract ends
12 January 2030

The buyer

London Borough of Hounslow

Type: Locked
Contracts, 24 months: Locked
Recorded value: Locked
Typical contract: Locked
Giant hogweed removal contracts, 24 months: Locked

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Contact details

Email: Locked
Website: Locked
Address: Locked

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The supplier

Japanese Knotweed Ltd

Contracts won, 24 months: Locked
Value won, 24 months: Locked
Buyers, 24 months: Locked
Size: Locked
Companies House number: Locked

Main buyers

See everything Japanese Knotweed Ltd has won

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Cite this contract

Link: https://bidskim.com/tender/41658/invasive-non-native-species-inns-treatment
Buyer reference: HOUNSLOW001-DN741399-90921236
Open contracting ID: ocds-b5fd17-21639a4e-8a16-4f78-8bbc-992100912c36
Last checked: 5 November 2026

London Borough of Hounslow. Invasive Non-Native Species (INNS) Treatment. Contract award, 5 September 2024. BidSkim, https://bidskim.com/tender/41658/invasive-non-native-species-inns-treatment (accessed 5 November 2026).