Deciding to sell - Preparing to sell - Managing a home - Selling a home

Eight natural forces that could influence your house price

3 min read

We've explored eight natural factors that could potentially reduce the value of your home and what this equates to based on current market values.

  • Alistair Singer Digital Channel Director at My Home Move Conveyancing
    Alistair Singer

    Digital Channel Director

    Published November 22nd 2024

beautiful lady on the phone to her partner happy with the costs for selling her house so she can move with her pets into his

There are many different factors that could influence the value of your home, from living on a flood plain to an unkept garden. In the article below, we have explored eight natural factors that could potentially reduce the value of your home, particularly if they are identified during the survey process and what this equates to based on current market values.

Subsidence: -£56,000

Subsidence is a significant natural occurrence that can affect a property, where the ground beneath a home shifts, impacting the foundation. While this can lead to structural changes, early detection and prompt action can mitigate long-term effects.

However, it’s thought that signs of subsidence can devalue a home by up to -20% - that’s £56,275 based on the current average UK house price of £281,373, so addressing subsidence proactively can help maintain both your home’s integrity and value. 

Japanese Knotweed & Bamboo: -£42,000

Japanese Knotweed is thought to be the UK’s most invasive and destructive plants and requires professional removal that can prove costly. It is known to grow rapidly and can weave around and into the foundations of the property which can damage a building’s structure, causing very serious and potentially very expensive damage. Due to its destructive nature, it is a legal requirement to disclose its presence to any potential buyer.

Having Japanese knotweed growing in or around your property is a cause for concern for both property buyers and sellers and could impact you in various ways.

  • Majority of mortgage lenders will be very cautious in lending mortgage to a property which is affected by Japanese knotweed.

  • If your property or a neighbouring property is known to be infested with this plant, you may notice a decrease in property value unless it has been treated.

  • As a property owner you will have legal liability for the vegetation, it is against the law to allow this plant to spread from one property to another.

It can sometimes be difficult to sell a property to potential buyers if there is Japanese knotweed growing in your property.  You must declare this to the buyer on the TA6 form.

Sellers should also be aware that there are also a number of types of invasive bamboo (such as Himalayan knotweed, Russian vine, Himalayan honeysuckle and Houttuynia) that can be as problematic. Like Japanese Knotweed, bamboo can cause damage to brickwork, drains, patios and cavity walls. However, unlike Japanese Knotweed, there’s no current requirement to declare its presence to potential buyers, however, both invasive plant species are estimated to reduce the value of a home by 15% or £42,206.

Both plants highlight the importance of regular garden maintenance and professional advice, ensuring your home remains in top condition.

Risk of flooding: -£28,000

Water is another powerful natural element that can be particularly destructive and if your home is located within a known flood plain or at greater risk of flooding, it’s thought to reduce the value of your property by £28,137 (-10%).

However, there are many ways to safeguard your home against flooding, such as installing flood defences and ensuring proper drainage, which can help preserve your property’s value and provide peace of mind.

Overgrown gardens & pets: -£23,000

While a well-maintained garden can create a welcoming first impression for potential buyers, failing to keep your garden in check could reduce the offer they are willing to make by 8.2% - equating to £23,000 based on current market values.

Similarly, managing pet-related aspects such as pet hair, odours or damage around your home can make it feel fresh and inviting. It’s thought that evidence of an overly pet-friendly home could see buyers offer -4% below market values, which equates to £11,255 in today’s market.

Damp, mould and woodworm

While damp, mould, and woodworm are common issues, they are manageable with regular home maintenance. Addressing these concerns promptly can help keep your home in excellent condition and maintain its value.

Simple solutions like proper ventilation and periodic checks can make a big difference, and can help avoid potential damage when it comes to the saleability of your home, which could reduce the value by between -1% and -0.5%.

Looking for ways to add value to your home? Read our top tips here.

Alistair Singer, Director at My Home Move Conveyancing

Quote from the author

“Issues that arise during the survey process can seem daunting for home sellers, as they can ultimately reduce the value, they are able to obtain for their property. However, by taking proactive measures and being upfront and honest with any potential buyer you can build trust, ultimately leading to fairer negotiations.

It is important not to underestimate the impact of these issues as it is likely to affect a lender's decision as to whether they are prepared to give a buyer a mortgage on the property and can also affect the building's insurance.

By addressing potential issues and rectifying any problems before listing your home, you’ll ensure a smoother transaction process and maintain the value of your property.”

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