How Might Your Green Space in London Affect Your Property Sale?

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Since the pandemic, access to outdoor space has become more crucial than ever, significantly enhancing a property’s value. But what if your lush London balcony or small urban garden becomes a hindrance to your home sale?

In this brief overview, we’ll shed light on some plants that may affect your property’s price. Remember, this doesn’t just apply to expansive gardens but also to smaller green spaces and balconies in Central London.

Japanese Knotweed

The notorious Japanese Knotweed is at the top of our list. This plant, known for growing up to 10cm a day, is strictly prohibited. Its powerful root system can undermine a property’s foundations, disrupt drainage systems, and dislodge paving stones. In addition to causing chaos, it can decrease house prices by up to 15%. Previously, properties infested with Japanese Knotweed have faced challenges securing mortgages, and buyers often need a specialist survey to assess potential damage. Getting rid of it will require professional help.

Giant Hogweed

While seemingly appealing, this plant from the carrot family can cause severe skin irritation and requires professional removal. Once removed, it must be responsibly disposed of as controlled waste at a landfill. If you’ve identified Giant Hogweed in your garden or on your balcony, it’s your responsibility, both ethically and practically, to inform potential buyers, as it can affect your property’s value.


Bamboo, similar to Japanese Knotweed, can grow rapidly and create havoc with a property’s foundations and brickwork. Although it’s not illegal to plant, the roots can spread to neighbouring properties. You could be responsible for any ensuing damage. While it may not directly impact your property’s price, future problems for buyers could arise depending on the type of bamboo and its root system.

Large Trees (Oak, Poplar, and Willow)

If you have one of these large trees in your vicinity, it might affect your property’s value. The roots of large trees can spread out up to 40m, potentially causing damage to building structures and paving stones. If you have one of these trees nearby, it’s wise to seek advice from an expert tree surgeon or your Local Authority.

Additional plants that might complicate your property sale include:

  • Ivy: Beautiful but destructive, it can infiltrate cracks, displace roof tiles, and damage pipework.
  • Himalayan Balsam: Don’t be deceived by the lovely purple flowers; this plant is illegal to cultivate. It can outgrow and kill off other plants.
  • Leylandii Trees: Often used as hedges, they can annoy neighbours and block light, and their fast-spreading roots can cause damage.

Before putting a property on the market, people generally address interior concerns. However, we recommend that you also check any outside spaces for potential issues. That way, you won’t face unexpected challenges as your sale progresses.

Are you considering selling your Central London home? Get in touch with us at MyLondonHome today.

This post was written by:

Steven Herd

Steven's extensive 30 years of estate agency experience in London culminated in launching MyLondonHome, which has enabled him to bring together a hand-picked team to provide the high level of quality advice, market strength and service he is renowned for.

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