Maximise your space with expert Garage Conversion London
- Transform unused space into a stylish, functional living area.
- Expert London's garage designs and layouts from RIBA architects
- A smart alternative to costly extensions or moving homes.
- Get a free consultation for your garage conversion UK
Best Garage conversion specialists in London
Paramountbuilt is a passionate and diligent London Based garage conversion company, where our team understands your sentimental attachments to your building. We upgrade your unutilised garage into a functional space. From planning to completion, the team handles all. Our seamless process, professional craftsmanship and full compliance with building regulations make us the best garage conversion specialists across London.

Our garage conversion services

Partial garage conversion
Keep part of your garage for storage while converting the rest into a usable room. Our architects for garage conversion design well so you can utilise your space more.

Attached garage conversion
Our architects are skilled enough to seamlessly extend your living space by converting an attached garage into a bedroom or extra living space.

Detached garage conversion
We will upgrade your standalone garage into a private workspace, guesthouse or into a rental unit that could be your big future investment.

Converting a gym
Let our team help you set up a personal fitness space with durable floorings and proper ventilations.

Garage to annexe
Turn your once functional garage into a self-contained unit for guests, family or rental unit. It also increases your home’s resale value.

Conversion to home office
Our team of architects and structural engineers help you design a quiet and productive work space that matches your work needs well.
Reimagine Your Garage, How We Do It
Our streamlined garage conversion process ensures a smooth and stress free transformation. Expect the expert workmanship, building compliance and a seamless experience all under one roof at Paramountbuilt.
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Create designs
We start by understanding your vision and needs. Our experts craft bespoke layouts that optimise space and functionality.
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Get approval
Navigating approvals can be complex, but we handle it all. We ensure your conversion meets local building regulations and submit necessary planning applications.
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Technical drawings
Our technical drawings provide a clear roadmap for your project building. These include structural calculations, material specifications and compliance with UK building standards.
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Project execution
With a well structured plan in place, our designs will bring life to your building’s structure. We offer timely project completion with minimal disruption.
Unlock your home’s potential, start your garage conversion today!
How does our professional conversion benefit you?

Maximise your home’s value
Turns your garage into a high-value, functional space that adds long term investment potential to your homes.

Bespoke solutions, you need
Designed to match your needs, from a cosy living area, a modern work space, or a personalised retreat.

Cost-effective expansion
Maximise your home’s potential with a budget friendly garage conversion, add extra space without the hassle of a full extension.
Why trust us for garage conversion designs London?
Choosing a reliable conversion company is crucial to get the exceptional results and Paramountbuilt is proud to deliver the best garage conversion services in London. It will not only increase the space but also enhance the visual charms and add value to your property. What makes us best is:
- Seamless project management
- Building Regulation compliance
- Expert designing and planning
- Professional garage conversion your nearby
Schedule your project today with expert conversions.

Testimonials
Paramountbuilt 36 Google reviews Elvin Turner2025-05-23 Great consultation! Lielis Andrews2025-05-23 Quick and efficient service. Would use again. Timely visit to property and survey provided within 5 working days. Excellent communication from start to finish. SALINDER PATEL2025-05-23 Great service, did everything they could to ensure i got this within the timeline. Customer service was 5 stars, kept me updated all through the process. Definitely be using them again. Deborah Dunkley2025-05-21 I chose this company after reading their trust pilot reviews. Initially I spoke to Amber who was very knowledgeable on the telephone and was able to speak to me in technical terms which was reassuring. A survey was arranged and carried out for the approaching weekend. Aslan carried out my Survey and he was thorough. I have now instructed them to go ahead and submit my plans for building regs and I know my project is in good hands. Yasemin A2025-05-09 I recently used paramountbuilt for a structural survey on a property I was purchasing, and I couldn’t be happier with their service. From start to finish, the team was professional and thorough. They provided a detailed report that was easy to understand, highlighting all the key findings and offering clear recommendations. Their expertise and attention to detail gave me complete peace of mind during the buying process. Valentina Ljubchinskaja2025-05-08 I applied for a house extension with Paramaunt Build and submitted a planning permission application through the council. At the start, Sophie and Zoe were very nice and helpful. Later, Sumet came on board and did a great job with the painting. I had a few amendments, including some that came after the application had already been submitted, but the team was always accommodating and made the changes as requested — they were truly kind and supportive throughout. Amber helped speed up the process, and I was told that hopefully by 8th May, the council would approve the project. And today, on 8th May, Amber called with the great news — my application has been approved! Right now, we're halfway through the process with the company, and the next steps will be with the building control department. I hope that part goes just as smoothly and efficiently. Once the whole project is completed, I’ll be happy to leave a detailed review. Thank you, Paramaunt Build team!
FAQs
Yes, converting a garage into a bedroom is legally allowed in the UK London. Still, you may need the planning permission for any significant structural changes. It must comply with the building regulations for insulation, ventilation and fire safety.
Foreshore, a structural engineer is needed for your garage conversion to assess the load bearing walls, foundations and structural modifications.
Yes, you can add a window to your garage in the Uk, but it will require a planning permission to install it if it significantly alters the physical appearance of your building.
A garage conversion may require a foundation or a reinforcement if the existing one is not suitable for the new load. A structural assessment will determine if the upgrades are needed to meet the building regulations.
Yes, a garage conversion can increase the value to your property by adding extra living space, making it more appealing to buyers.
- Pre-Design
- Schematic Design
- Design Development
- Construction Documentation
- Bidding/Negotiation
- Construction Administration
- Post-Construction
You don’t always need an architect for a garage conversion, but they can help with design, layouts, and planning approvals.
To draw plans for garage conversion, you will need to measure the space accurately, sketch the existing layout and design the new floor plan showing walls, doors, windows and utilities. It is best to hire an architect so your plans meet building regulations and are approved by local authorities.