21 years' experience in hard landscaping for domestic gardens • Specialising in landscape construction specification • Timber and composite decking specification • General landscaping construction for domestic gardens • Paving and walling specification • Garden design consultancy • Site assessments, evaluations and valuations

I specialise in all aspects of invasive plant ecology and management, including survey, identification, mapping, evaluating routes of spread, management (chemical and physical control techniques) and independent audit and appraisal of management actions. With respect to Japanese Knotweed in particular, I have expertise in the areas of specialism outlined above, in addition to assessment of growth and spread with relative age assessment, which can be relevant in establishing liability in civil claims.

I specialise in all aspects of invasive plants, including their ecology, impact, treatment, control and management. This includes surveying, identification, evaluation and mapping. I have substantial experience in the development of appropriate and effective management strategies for invasive plants. I have been working generally with invasive plants since 1983 and specialised in Japanese knotweed from 2005 to the present date. I was the lead author in writing the textbook on invasive bamboos, which was published...