Building Services

Stellantis Construction Ltd

Design-Led Building. Precision-Driven Results.

At Stellantis Construction, we redefine residential construction through a seamless blend of architectural vision and build expertise. Based in London, we specialise in high-end design and build projects—from elegant extensions to full-scale new builds—delivered with clarity, control, and craftsmanship We believe construction should be intelligent, transparent, and tailored.

Our approach is rooted in:

Architectural Precision – Every detail matters, from window placement to tile selection.

Client Collaboration – We listen, interpret, and adapt—ensuring your vision is realised without compromise.

End-to-End Delivery – From planning permissions to final styling, we manage every phase with discipline and care.

Refined Aesthetics – We specialise in modern luxury interiors, natural light, and premium finishes that elevate every space.

What We Do

House Extensions

Expand your living space with purpose. Whether it’s a rear kitchen extension or a multi-storey addition, we design and build extensions that integrate seamlessly with your home’s architecture—enhancing both flow and function.

Loft Conversions

Transform underutilised lofts into elegant, functional spaces. From serene bedrooms to creative studios, our loft conversions unlock hidden value while maintaining architectural integrity.

New Build Projects

For developers and private clients, our bespoke new build service covers everything from demolition to final handover. We build homes that are distinctive, energy-efficient, and future-ready—with every detail aligned to your brief.

Full Refurbishments

Reimagine your interiors with clarity and cohesion. Our refurbishment team handles spatial reconfiguration, fixture installation, and final styling—ensuring your home reflects your lifestyle and design aspirations.

Planning & Compliance

We simplify the complex. Our technical team handles planning permissions, structural calculations, and regulatory compliance—ensuring your project moves forward smoothly and confidently.

📞 Let’s Build Something Exceptional

Whether you're planning a new build or refining an existing space, Stellantis Construction is ready to deliver. Contact our design team today for a tailored consultation and discover how we bring precision, elegance, and integrity to every project.

🧭 Our Six-Stage Delivery Framework

Clarity. Control. Confidence.

At Stellantis Construction, we’ve developed a streamlined six-stage framework that ensures every project is delivered with precision and transparency. From initial consultation to final handover, each phase is designed to give you full visibility and confidence in the process. Your dedicated project manager will guide you throughout, ensuring that every detail meets our exacting standards.

Initial Consultation

On-site meeting with our design and build team

Review of your vision, goals, and site conditions

Preliminary scope and budget outline provided

Feasibility & Design Report

Comprehensive project report including pricing and timelines

Detailed scope of works tailored to your requirements

Site visits to active projects available for reference

Project Agreement

Formal contract issued and signed

Deposit to secure scheduling and resources

Project manager assigned and start date confirmed

Pre-Construction Pack

Kick-off meeting with project team and Client

Full schedule of works and payment milestones shared

Design and technical documentation reviewed

Construction Phase

Foreman and specialist teams mobilised

Daily coordination by your project manager

Senior oversight and quality checks by our Head of Projects

Completion & Handover

Final walkthrough and quality assurance

Completion certificate issued

All warranties, guarantees, and certifications provided

🏆 Why Stellantis?

We don’t just build—we orchestrate. Our reputation is built on trust, transparency, and results. Here’s what sets us apart.

✔️ Precision Project Management

Each project is led by a dedicated management team who oversee every detail—from structural integrity to final finishes.

✔️ Client Loyalty

Our work speaks for itself. A significant portion of our business comes from repeat clients and referrals—proof of our commitment to excellence.

✔️ Verified Reputation

We’re proud members of industry-recognised platforms, with hundreds of verified testimonials available for review.

✔️ Regulatory Alignment

We stay ahead of evolving standards and ensure full compliance across all builds.

✔️ Accessible Expertise

Call us to discuss your project in person. We welcome collaboration and believe in open, informed dialogue.

✔️ Warranty & Insurances

We offer:

12-Months defect liability cover

10-year structural and roofing warranty

£5 million public liability insurance

£10 million employer liability insurance (extendable upon request)