How long does a loft conversion take?

Loft Conversion London

Embarking on a loft conversion journey is an exciting prospect for homeowners seeking to maximise their living space. When we work on a loft conversion we often get asked: How long will the loft conversion take? While the idea of a new room or versatile living area is appealing, we understand that having the timeline for a loft conversion is crucial for our clients. 

In this guide, we will provide insight into the stages and durations of a loft conversion, offering valuable information for homeowners ready to transform their property.

How Long Does the Entire Loft Conversion Process Take?

The overall duration of building a loft conversion can range from 8 to 12 weeks, from the beginning of construction to handing over your new living space. This does depend on different factors that we will look at below. 

There are a variety of different types of loft conversions such as Dormer, Hip to Gable, Mansard and Velux conversions. Each project is unique, so at Bradley Building Services we aim to provide a realistic timeline during the initial consultation, keeping you informed at every stage. 

What are the different stages of a loft conversion? Let’s look into that now. 

The Stages of a Loft Conversion

1. Initial Consultation:

The journey begins with an in-depth consultation with Bradley Building Services. During this phase, our experts will discuss your vision, assess the feasibility of the loft conversion, and outline the key considerations. This stage typically takes 2-4 weeks, allowing for detailed planning that aligns with your expectations.

2. Planning:

Once the initial consultation is complete, the focus shifts to designing your dream loft. Our skilled team will consider the structural requirements and your aesthetic preferences while completing the plan. We are passionate about collaborating with our clients to create the dream space you will love. 

See Also: Some of our recent projects

3. Obtaining Planning Permission:

Navigating the rules and regulations is a crucial step in the loft conversion process. At Bradley Building Services we have over 4 decades of experience in construction throughout London, and can help guide you through this process. The duration of obtaining planning permission varies based on local authorities and the nature of your loft conversion. On average, this stage can take 8-12 weeks, making this process essential to factor into your overall timeline.

4. Commencement of Building Work:

With all approvals in place, the physical transformation begins. The construction phase can vary in duration, typically spanning 8-12 weeks, depending on the size and complexity of the loft conversion. This is the stage where your vision will start to materialise, with the installation of structural elements, windows, and roofing.

Most of our clients continue living in their homes while we complete the work. Your home matters to us, so we ensure our team makes this part of the process as comfortable as possible for you. 

5. Internal Finishes and Decoration:

As the construction nears completion, the focus shifts to internal finishes and decoration. This stage includes installing insulation, electrical wiring, plumbing, and adding the final touches to create a seamless living space. The duration varies widely depending on the desired look and finish of your loft conversion. 

6. Final Inspections:

Before handing over your transformed loft, Bradley Building Services conducts final inspections to ensure all work meets the required standards.

If any of the above phases are disrupted for any reason then it could cause a delay on the provisional completion time. Our open dialogue with our clients helps them to make informed decisions should there be any changes to the timeline. This also ensures that their vision aligns with the evolving transformation.

Why Choose Bradley Building Services for Your Loft Conversion?

Embarking on a loft conversion is a significant investment, and choosing the right partner can make all the difference. At Bradley Building Services, our commitment to excellence sets us apart, and here’s why our expertise is your assurance for a successful loft conversion:

  • Seasoned Professionals, Every Step of the Way:

Navigating the intricate process of a loft conversion requires expertise, and our seasoned professionals are with you at every step. Our experienced team provides expert guidance, ensuring that your loft conversion journey is not just successful but also stress-free.

  • Transparent Communication for Informed Decisions:

Communication is the cornerstone of a successful project, and at Bradley Building Services, transparency is our commitment to you. We keep you informed about the progress of your loft conversion, providing clear timelines and any adjustments required. 

  • Craftsmanship Beyond Compare:

Elevating your living space with a loft conversion demands exceptional craftsmanship. Bradley Building Services takes pride in delivering loft conversions built to the highest standards. 

  •  Dedication to Your Vision:

Your home is a reflection of your unique style and preferences. Our dedicated team works closely with you to understand your aspirations, providing bespoke solutions that transform your loft into a functional and aesthetically pleasing space.

  • Comprehensive Services, End-to-End:

Bradley Building Services offers comprehensive services that cover every aspect of your loft conversion. Our end-to-end approach ensures a cohesive and well-coordinated process, delivering a seamlessly integrated loft conversion that enhances your home.Embark on your loft conversion journey with confidence, knowing that Bradley Building Services is more than a construction company—it’s a dedicated partner in realising your dream home. Contact us today, and let’s explore the endless possibilities for transforming your living space with a loft conversion.

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You know what you are doing! You have some very good, competent people working for you.




The quote was simple and included everything, which is more than most quotes would include.


Everyone from Bradley was extremely respectful of the fact that we were living here, and making sure that things were secure and clean daily was really good. 




It was the can-do attitude, willing to talk, listen and bounce off ideas that really impressed us. 



I believed when you said that you wanted to do the very best job that you possibly could and you didn’t want us to be disappointed. It was the affinity that we had, and it works through the whole of your team. 




Colin and the team were both able to deliver the high expectations and hopes we had with our renovation and surpass them.




We spend 90% of our time in the extension now. It has made our life in our house completely different!


Time and time again people we know that work in the industry have been amazed by the quality of the workmanship, next level has been a phrase used a lot!


The team are great and easy to deal with on every level, daily communication and constant updates were fantastic.

You demonstrated from the initial engagement that you had done this before and had done it really well, you exceed expectations.

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Life is complicated enough so let us hold your hand through the process. We’ve put together a simple step-by-step guide to having work done in your home.


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