Maximise your space with expert Garage Conversion London
- Transform unused space into a stylish, functional living area.
- Expert designs and layouts from RIBA architects.
- A smart alternative to costly extensions or moving homes.
- Get a free consultation for your garage conversion UK
Garage conversion specialists 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 designs will well utilise your space.

Attached garage conversion
Keep part of your garage for storage while converting the rest into a usable room. Our designs will well utilise your 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 or 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 for your needs
Designed to match your needs, from a cosy living area, a modern work space, or a personalised retreat.

Cost-effective space 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
Schedule your project today with expert conversions.

Testimonials
GOOD Based on 27 reviews Asif Mahmood2025-03-23Trustindex verifies that the original source of the review is Google. Here are a few points that impressed me about this team: Same-day Zoom consultation, Transparent communication, Two-day work delivery timeline, Fast response to emails and calls. Highly recommended ⭐️ Moni Smith2025-03-22Trustindex verifies that the original source of the review is Google. Great Team, highly recommended for remodelling and renovation work Sally Kipping2025-03-20Trustindex verifies that the original source of the review is Google. Great team came to do our calculations quickly. Very helpful. Great value for money. Thank you! Paul Haslam2025-03-19Trustindex verifies that the original source of the review is Google. Extremely professional, polite and efficient. I will be using their services again, in fact they will be doing my Party Wall agreement. sam Ryan2025-03-19Trustindex verifies that the original source of the review is Google. I had an excellent experience working with Summit and Amber, their in-depth knowledge of structural drawings and their expertise to deal with building control makes them unique in market. Highly recommended for Renovation and Construction needs. Jenna Last2025-03-18Trustindex verifies that the original source of the review is Google. They are really good at their work, I am glad I hired this company for my dormer and extension work. Derek tompsett2025-02-27Trustindex verifies that the original source of the review is Google. Very happy with the service and Sophie put things in layman's terms so as to make a novice happy !! mark wiggins2025-02-26Trustindex verifies that the original source of the review is Google. very prompt and full report
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.