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A well-planned loft conversion completely transforms the way you use your home.
At JBS Lofts, we deliver breathtaking spaces that feel natural within your existing layout, from practical bedrooms to bright, relaxing living areas.
Our Bristol team handles the entire project, ensuring a stress-free build that’s tailored to your needs.
Choose JBS Lofts for loft conversions in Bristol
With over 15 years’ experience, we’ve built a reputation for delivering high-quality loft conversions that add beauty, functionality and value to Bristol homes.
From design to completion, our team manages every stage of the process with precision and care. So you can have confidence in a smooth, seamless conversion that delivers a masterfully crafted space you’ll enjoy for decades to come.
Find your perfect loft conversion
How you choose to expand your home depends on your goal for the space and the type of property you live in.
Explore the main types of loft and attic conversions below to find the one that’ll bring out the best in your home.
Velux Loft Conversion
Rather than altering the roofline, a Velux loft conversion simply involves adding windows and renovating the interior. It’s an affordable option for creating an extra bedroom or living space filled with natural light.
In most cases, Velux loft conversions don’t need planning permission. So we can complete your home renovation project in as little as 7 weeks!
Ideal for: Properties with a sloping roof
Dormer Loft Conversion
Turning your sloped roof into a box-shaped structure maximises your headroom and available floor space. This also lets you install more amenities like custom storage and even an en suite.
The simple structural alterations of a dormer loft conversion usually fall under permitted development, so you don’t need planning permission. They usually take around 8 weeks to complete.
Ideal for: Properties with a sloping roof
Hip-to-gable Conversion
On a roof that slopes down on all sides, a hip-to-gable loft conversion extends a sloping side-roof into a triangular gable roof. In most 1930s properties, this conversion can accommodate as much as two bedrooms and a shower room!
Hip-to-gable loft conversions also typically fall under permitted development. So we can complete your works in an average of just 10 weeks.
Ideal for: Semi-detached, end-of-terrace
Mansard Loft Conversion
A Mansard loft conversion is a lot like a dormer, extending outwards from a pitched roof. But while dormers are often smaller, box-like extensions, Mansards run the whole width of your property.
Another difference is that Mansard loft conversions usually require planning permission. We can speed up this process by managing it on your behalf. After that, your works will take about 12 weeks.
Ideal for: Terraced properties
L-shaped Loft Conversion
Adding two connected dormers to your loft – one over the main roof and one as a rear extension – creates an L-shaped loft conversion. These are popular for Victorian and Edwardian homes, significantly increasing headroom and usable floor space.
These loft conversions often don’t require planning permission. And we can usually finish installation in around 12 weeks.
Ideal for: Terraced properties
Bespoke Loft Conversion Features
Stairs
A flowing staircase with a bespoke design adds the finishing touch to a beautiful loft or attic conversion.
We’re often able to match the style of your existing stairs to maintain the continuity of your interior design. And we use the dead space directly above those stairs to create an entrance that feels like a cohesive part of your property.
En-suites
Even smaller loft conversions can often accommodate an en suite. And contrary to popular belief, you don’t need to position it right above your first-floor bathroom. We can usually achieve Building Regulations compliance within the floor void
JBS Lofts can supply a wide range of high-quality bathroom suites. Or we can install one that you supply. However you visualise your dream en suite, our Bristol loft conversion specialists can help you bring it to life.
Windows
As Velux-accredited installers, we can advise on the best options for your specific conversion. All of our windows are made to measure and bespoke to your property.
Whether you want to add bright roof windows, latched casement windows or even sliding glass balcony doors, the possibilities are almost endless!
Storage
Our experienced carpenters and joiners can create built-in wardrobes or cupboards to suit your specific needs.
These ensure every inch of your new loft space is put to good use, including the small nooks that sit in awkward places.
The Final Touches
No loft conversion is truly complete until all the decorating and floor-covering services have been finished.
At JBS Lofts, we’re happy to arrange all of these final touches on your behalf. So you can enjoy a full start-to-finish service managed by trusted loft conversion specialists.
Working on any type of home in Bristol
Properties in Bristol have their own unique architectural style. As a leading local loft conversion company, we design and install bespoke loft and attic conversions that blend seamlessly with homes of any size.
Whether you live in a detached, semi-detached, terraced or end-of-terrace property, our Bristol loft conversion specialists can create a functional, stylish space that you’ll adore.
The Loft Conversion Process
Consultation & Planning:
We assess your property in person and discuss your vision before giving you a free no-obligation quote
Design and Approval:
Our architects prepare detailed plans, manage any planning permissions and create a building schedule
Construction:
Talented professionals upgrade your attic into a beautiful, practical living space
Finishing Touches:
We ensure all elements are completed to the highest standards, from energy-saving insulation to stylish interior décor
Our goal is to give you total confidence as well as an impeccable loft conversion.
That’s why we also provide a 5-year warranty on all our workmanship and materials for your peace of mind.
Rebecca and I just wanted to say thanks to you all for your professionalism throughout. A seriously impressive job! Nic was friendly and sympathetic to our needs during the planning and design phase. The crew were utterly professional throughout and the workmanship is top end. When snags arose, they were dealt with quickly; you can’t ask for more than that. I would wholeheartedly recommend JBS to any ‘would be’ loft converter.
Jigsaw Building Solutions are a great team and have completed our loft conversion to an incredibly high standard. The job was completed to schedule and they were extremely accommodating in the extra work areas that we asked of them. The whole team were a pleasure to have in our property and we were kept up to date of all developments. I would highly recommend Nic Williams and Jigsaw Building Solutions.
Totally excellent in every way, professionalism, trustworthiness, workmanship, site cleanliness and reliability were impeccable; I had a loft conversion, with an open plan bathroom and new roof. Everyone including other builders comments on the craftsmanship, not only do I love it, I am so very proud to show people around.
Rebecca and I just wanted to say thanks to you all for your professionalism throughout. A seriously impressive job!
Totally excellent in every way, professionalism, trustworthiness, workmanship, site cleanliness and reliability were impeccable.
We wanted to say a huge thank you to you and your team for everything that you have done. Attitude towards work and the customer are second to none.
Jigsaw Building Solutions are a great team and have completed our loft conversion to an incredibly high standard.
We wanted to say a huge thank you to you and your team for everything that you have done. We would like to thank Tom in particular, his work is brilliant and his attitude towards his work and the customer are second to none. Tom and the others were all so polite and conscientious throughout the project. We are so happy with the work done and are so pleased we used Jigsaw, we wouldn’t hesitate to recommend you.
Project Gallery
We ensure all elements are completed to the highest standards, from energy-saving insulation to stylish interior décor
Contact us for a free quote
Your dream loft conversion starts with a simple chat. Speak to our Bristol loft conversion team now for friendly advice and a free no-obligation quote.