Shrewsbury Flaxmill Knotweed Excavation

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Knotweed Services (UK) Ltd carried out a Japanese Knotweed excavation for a car park development at Shrewsbury Flax Mill – The restoration of a Shropshire heritage site – Shrewsbury Flaxmill Maltings is thought to be the worlds first iron-framed building and is considered a forerunner to the modern skyscraper.

One of the most important historic buildings in the world is being brought back to life with the launch of a visitor centre.

A £20.7m grant has been awarded by The National Lottery Heritage Fund enabling regeneration work.


JKW was identified on the land owned by Network Rail, immediately behind the growth identified on subject property. Barrier membrane will be required to stop JKW encroaching back onto subject property.

Approx. 12m2 (This area is estimated based on information provided by the client and limited evidence of dead canes and crowns).



Knotweed Services UK offer their insurance backed guarantees through Guarantee Protection Insurance Ltd (GPI). GPIs primary and founding product was IBG’s and they are in the industries leaders in Japanese Knotweed insurance. The package we recommended for this project is the is “designed to provide cover in the event that the insured remedial works fail, during the period of insurance, and the contractor has ceased to trade and is unable to honour claims on the written guarantee.” (GPI, 2017).

*Taking out an IBG is optional. However, if you are in the process of selling, an IBG is a requirement from the mortgage lenders.

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