Identification
How to Identify Japanese Knotweed in London Gardens
A season-by-season visual guide to spotting Japanese knotweed in London gardens before it becomes a five-figure problem.
Read the full guideKnotweed Insights & Guides
Practical advice for London homeowners, buyers, landlords and developers dealing with Japanese knotweed.
Cost
The Real Cost of Knotweed Removal in Richmond
What Richmond homeowners actually pay for knotweed surveys, treatment programmes and full excavation in 2025, with worked examples.
Read the full guide
Buying & Selling
Japanese Knotweed and Mortgage Applications: What Every UK Buyer Should Know
How UK lenders treat properties with Japanese knotweed in 2025, and exactly what you need to satisfy a mortgage offer.
Read the full guide
Treatment
The Seasonal Knotweed Treatment Guide for London Properties
When to survey, when to inject, when to spray and when to monitor, a month-by-month treatment calendar for London knotweed.
Read the full guide
Compliance
Invasive Species Management Plans Explained
What goes into an ISMP, why London planning officers demand them, and how the document protects your property's value.
Read the full guide
Legal
Knotweed and the Law: Your UK Legal Obligations
The three pieces of UK legislation that govern Japanese knotweed, and the offences London property owners most often commit by accident.
Read the full guide
Buying & Selling
Selling a House with Japanese Knotweed in London
Practical, step-by-step advice for London sellers facing a knotweed disclosure on the TA6 form.
Read the full guide
Identification
Knotweed vs Bindweed: Spotting the Difference
The most common knotweed lookalike in London gardens, how to tell them apart in under a minute.
Read the full guide
Background
Why Knotweed Spreads So Fast in South London
The geological, hydrological and historical reasons knotweed has colonised south London more aggressively than the north.
Read the full guide
Buying & Selling
Choosing a Knotweed Specialist: What to Look For
The five things every London property owner should check before signing a knotweed treatment contract.
Read the full guide