How much value can a Loft Conversion in Mortlake add in 2024?

A loft conversion in Mortlake is a fantastic opportunity to boost the value of your home without the need to relocate. Did you know that converting your loft in Mortlake can add as much as 25% in value to the property, which ensures a profitable investment in the long run. In some suburbs of Mortlake, where space is limited, loft conversions have become the preferred choice for families seeking to enhance their homes. Not only is it a more cost-effective alternative to moving, but it also provides the added benefit of expanding your living space.

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Custom Design Loft

Bespoke loft conversions in Mortlake

We specialise in high-quality custom Loft Conversions across Mortlake and around South London. We have built numerous bespoke loft conversions in Mortlake which are fully tailored to the client's personal requirements and preferences. Our Loft Conversions in Mortlake allow families to add habitable space to their homes without the need to move home.


Types Of Lofts

Mortlake Loft Conversions

We offer a range of Loft Conversion types in Mortlake, which include, dormer, mansard, hip to gable, L-shaped and velux loft conversions. Our team of builders will transform your house, giving you more living space and thereby increasing the value of your property.

Loft Ideas

Our latest Loft Conversions in Mortlake

Browse through our latest loft conversions and extensions in Mortlake to get an idea of what our specialist Loft Conversion team can build for you.

Loft Conversion Process

Our step by step process for Loft Conversion in Mortlake

We try to keep the Loft Conversion process as simple as possible from conception to completion, always keeping you informed and involved in every step. Our process includes an initial survey and design followed by architectural drawings and structural calculations. Thereafter, we will quote based on the drawings. Once happy with our quote, our architects apply for planning permission and commence your building work and finally the completion of your new loft conversion. Our team is ready to discuss any aspect of the project in more detail at all times.


Creating More Space For You

Whether your family is growing, renting out a room in your property, or simply want a new study or office, a loft conversion is an ideal solution to maximise space in your house. This is a cost-effective alternative to moving and will increase the value of your property when you decide to sell in the future. No matter the project size, we will build you a loft that reflects your style and meets your lifestyle’s needs.


What can we do for your Property in Mortlake?

If you would like to discuss the ways in which a Loft Conversion could enhance your Mortlake home, call us on 020 3951 8426 or email to ask us any questions. For a free site survey and design consultation please fill out the form on the right and our team will get back to you as quickly as possible.

Loft Conversion Mortlake

Why Loft Conversion For Mortlake Is a Good Idea

If you want to add space to your Mortlake home, you should consider a loft conversion. While the prospect of moving to a larger house can be intimidating, there are many advantages to doing a loft conversion. Not only will the new addition add additional square footage, but it will also add value to your property. Adding a loft to your home can increase its value by 20 percent, which is enough to pay for the work.

Adding an ensuite in Mortlake is a big undertaking, but a loft conversion can increase the value of your property as well as add space. You can even have more storage space! Besides that, you'll have an extra bedroom to use if you want to. In addition to adding square footage, a loft conversion can add extra square footage to your home. While the process of selling a house can be stressful, it's often worth it in the end.

Cost is a big consideration when planning a loft conversion in Mortlake. The cost of a loft conversion can range anywhere from £40,000 to £70,000. Depending on the size of the space and the complexity of the project, you can expect to pay £40,000 to £70,000. You'll probably need to find an expert to help you with your project. You can request a free consultation with an expert to determine the right budget and design.

FAQ's about Loft Conversion answered

Do you have a question about Loft Conversions? We're here to help. Contact our team at Loft Conversion London

  • How can I find out if my Loft in Mortlake can be Converted?

    The minimum height required for a Loft Conversion is 2.2m (from the floor to the highest point in your loft). If you do not have the required height, your ceilings can be lowered on your first floor.

  • How long does a Loft Conversion take to Complete?

    This depends on the size and type of Loft, most loft conversions take around 10-12 weeks. We can give you a more accurate estimation when we see your property.

  • How much does a Loft Conversion in Mortlake Cost?

    Loft Conversion cost is determined by the size and type of the project, the features you would like, etc. Our architect will help you achieve the best use of your space within your budget. Most Lofts cost between £25,000 and £60,000.

  • Will I need to move out during the Loft Conversion?

    No - it's safe to carry on living in your house. Our team starts from the scaffolding before the stairs go in. We always try to limit the disruption during the construction process.

  • Do I need planning permission for a loft conversion in Mortlake?

    Loft Conversions usually fall under the permitted development category therefore planning permission is not normally required. There are some exceptions like conservation areas, flats, or listed buildings. Our in-house surveyors can advise further on planning permission. For more info read our Planning Permission blog.

  • What is a party wall agreement and will I need one for a loft conversion?

    A party wall agreement is also known as PWA is required if you own semi-detached or terraced property. In simple words, if you are working within or near your neighbor’s boundary then you will need a party wall agreement in place. Click here for more info.

  • Does a loft conversion add value to my Mortlake home?

    Yes - it will add from 15% to 25% upwards depending on the size, design, and type of Loft. Read more about adding value here.

  • Will my Loft Conversion be subject to Building regulations?

    Yes, all Loft conversions require building regulation approval from the local authority. These regulations are important to ensure the safety measures are in place and they set a protocol of construction and design to follow.

  • Can I use my own plans?

    Absolutely yes, we will work with you to achieve your dream new living space.

Types of loft conversions


Storage Ideas for your Loft Conversion

How will a custom Loft Conversion make a difference to your Mortlake home

Save Money on Moving Home

Save Money on Moving Home

Increase Value of Home

Increase Value of Home

Add Something New to your House

Add Something New to your House

Increase your House Living Space

Increase your House Living Space


Yes! When carrying out a loft conversion in Mortlake, there are a number of safety standards and regulations to be followed. All building work must comply with the UK Building Regulations as well as local planning rules. This includes making sure that your loft conversion is structurally sound and meets all fire safety requirements. You may also need to submit plans to the local authority for approval before beginning any work. Additionally, it’s important to ensure that your loft conversion is properly insulated and ventilated in order to comply with building regulations. It’s also essential to make sure you hire a professional and experienced contractor who is registered with a recognised trade body such as the Federation of Master Builders or the Chartered Institute of Building. This will ensure that all work is carried out to a high standard and meets building regulations.


A loft conversion in Mortlake can have a positive impact on the environment. Firstly, it reduces reliance on heating and cooling systems by providing extra insulation to keep your home warm in winter and cool in summer. Secondly, it increases the energy efficiency of your home by reducing the amount of energy needed for lighting, heating, and cooling. Finally, it can help reduce your water consumption by installing rainwater harvesting systems or greywater recycling systems. All of these measures can help to reduce your carbon footprint, making your home more eco-friendly.


A loft conversion in Mortlake can provide a number of benefits to homeowners. Firstly, it adds extra living space to your home without the need for costly and disruptive extensions or building work. Secondly, it increases the value of your property, making it more attractive to potential buyers in the future. Finally, it provides you with an additional room that can be used as an office, bedroom, playroom, or storage space. All in all, a loft conversion in Mortlake can be a great way to add extra living space, value, and energy efficiency to your home. As long as you make sure that all safety standards and regulations are met, you can enjoy the benefits of your new loft conversion for years to come.

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