London's integrated design and build team — from first idea to finished home
Thinking about an extension, loft conversion, or home renovation? We're an architectural design company and builders who'll guide you through every step — from planning permission to the final coat of paint.
A Team That's Worked Together for 20 Years
When you work with Archicon, you're not just hiring architects — you're getting a close-knit team who've been collaborating for two decades. We know how each other works, which means fewer mistakes, clearer communication, and better results for your home.
What this means for you:
- One team, one conversation. No confusing handovers between different companies.
- We know what works. Years of winning planning approvals across London means we understand what councils want.
- Honest advice from day one. We'll tell you what's possible and what isn't before you spend a penny.
We get projects approved first time, saving you time and stress.
From Greenwich to Croydon, we know local planning inside out.
Whole House Extension & Loft Conversion
A transformative project combining a ground floor rear extension, double side extension, and full loft conversion — all delivered as one coordinated design and build package.
Our team managed selective demolition, temporary works, and the installation of a new structural steel frame with columns and primary beams.
- ✓Planning secured for rear, side & loft in one application
- ✓Complex steel frame within constrained residential site
- ✓Full design & build coordination with Building Control
Steel Frame
Structural Works
Progress View
Technical DrawingClick any image to view full size
How Can We Help?
Whether you need more space for a growing family or want to reimagine your home's layout, we handle everything from drawings to building work.
Extensions
Kitchen, rear, and side extensions to create the space your family needs.
Loft Conversions
Transform unused attic space into bedrooms, offices, or living areas.
Refurbishments
Full home renovations and internal reconfigurations done properly.
The best projects start with honest conversations. We'll tell you what's realistic, what the council will look for, and how we can make your vision work within the rules.
Recent Projects Across London
We've helped homeowners and property developers across London get planning permission and complete their building projects. Here are just a few examples:
First-Floor Extension
Hammersmith & Fulham
Planning permission for a first-floor extension adding two bedrooms, increasing the home's footprint significantly.
Listed Building Approval
Guildford
Planning approval for a sensitive third-floor flat refurbishment in a Grade II listed building.
Commercial to Residential
Hampton, South West London
Comprehensive conversion of commercial property to residential use — now fully completed.
How It Works
We make home projects straightforward. Here's what to expect when you work with us:
Free Consultation
We'll discuss your ideas and give you honest advice about what's possible.
Design & Planning
We handle all drawings and planning permission applications for you.
Technical Drawings
Detailed specifications ensure your build goes smoothly.
Construction
Our team manages the build from start to finish.
Handover
We complete with full documentation and aftercare support.
Free Consultation
We'll discuss your ideas and give you honest advice about what's possible.
Design & Planning
We handle all drawings and planning permission applications for you.
Technical Drawings
Detailed specifications ensure your build goes smoothly.
Construction
Our team manages the build from start to finish.
Handover
We complete with full documentation and aftercare support.
Areas We Cover Across London
We're a South London-based architecture and construction company serving homeowners and developers across the capital. Our strongest presence is in these boroughs:
We also work across Bromley, Lambeth, Merton, Enfield, Hammersmith & Fulham, Brent, and all other London boroughs.
Ready to talk about your home project?
Whether you're at the "just an idea" stage or ready to get started, we're happy to chat. Get in touch for a free, no-obligation conversation about your project.
For larger development projects, visit our developers page.