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Double Storey Extension

At Double Storey Extension, we believe that great design should reflect the character of a city. Our team of skilled architects creates bespoke solutions that combine functionality with unique aesthetics. Whether it’s a traditional Victorian renovation or a modern commercial building, we bring creativity and attention to detail to every project. As a leading architectural firm in London, we are committed to delivering exceptional results that exceed our clients’ expectations. Trust us to bring your vision to life with innovative design and expert construction services.

Building The Future

Double Storey Extension – Where design meets character. Our team of expert architects in London create bespoke solutions for residential and commercial projects. From period renovations to modern builds, we prioritize functionality and aesthetics to exceed our clients’ expectations. Trust us to bring your vision to life with personalized attention and expert construction services.

Free Initial Site Consultation

Our process begins with a free initial site consultation. Our architecture planning consultant will take the time to understand your needs so we can deliver our service in the best way that fits you.

Concept and Planning Design

Our experienced architectural planners will then develop a set of drawings reflecting the ideas discussed. We will prepare and submit the planning application on your behalf and also work closely with the Local Authorities to overcome the challenges that might arise. London Architect

Technical Design

Building Regulation Drawings in preparation for the construction works. We also work in collaboration with Building Control to ensure the scheme developed is aligned with the current legislation. London Architect

Project Management

We will guide you through every step of the process. We will work with you to ensure that the right team and materials are in place to make your dream project a reality. London Architect

Double Storey Extension

The Process

Through a unique combination of engineering, construction and design disciplines and expertise.

Initial SitesConsultation

Studio 20 Architecture offers a free site consultation! We specialise in planning applications, building regulation drawings, architectural design & project management.

ConceptPlanning Design

Right after the briefing, we develop a set of drawings reflecting the ideas discussed and your needs.


Once planning approval is received, we produce a set of detailed Building Regulation Drawings in preparation for the construction works.


For the pre-construction phase, we create a tender pack. In this phase, all materials and finishes will be specified internally.

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News from our blog

Welcome to our architect blog news! Here, we’ll be keeping you up to date with the latest news and trends in the world of architecture. From exciting new building projects to innovative design concepts, we’ll be covering everything that’s happening in the industry. Our blog is designed for anyone with an interest in architecture, whether you’re a professional in the field or simply someone who appreciates beautiful buildings and spaces. We’ll be sharing our insights and opinions on the latest developments in the world of architecture, so be sure to check back often for our latest updates. Thank you for joining us on this journey through the world of architecture!

Navigating the Maze: Islington Archway Planning Permission In the heart of Islington, where the streets echo with the whispers of history, a delicate dance unfolds between progress and tradition. The Archway area, with its cobblestone alleys and time-worn facades, is a canvas upon which the community […]
Exploring the Charm of Islington Archway New Builds: A Beacon of Modern Living Nestled in the heart of North London, Islington Archway has become a hotspot for contemporary urban living, with its vibrant atmosphere, cultural diversity, and a rich history. In recent years, the neighborhood has […]
Enhancing Homes and Lifestyles: The Allure of Islington Archway Double Storey Extensions In the heart of Islington Archway, where time seems to pirouette between historic cobblestones and contemporary aspirations, a captivating dance unfolds—the artful choreography of double storey extensions. In this tale of architectural synergy, we […]