Who We Are

Sandstone Engineering is a London-based structural engineering and construction firm dedicated to delivering safe, innovative, and long-lasting building solutions. We offer a complete, end-to-end service — from precision structural design and engineering documentation to full-scale construction project delivery.

With a commitment to quality, safety, and compliance, we work across residential, commercial, and mixed-use developments, serving homeowners, architects, developers, and contractors alike.

We don’t just design structures — we build them with integrity.

Kitchen Side and Rear Extension in Hackney
Side Return Extension in Haringey

Our Mission

At Sandstone Engineering, our mission is simple:

To design and build structures that are safe, smart, and built to last — through technical excellence, honest communication, and end-to-end accountability.

We aim to set the standard for integrated engineering and construction services in London by combining deep structural expertise with a practical, results-driven approach. Whether we’re producing detailed calculations or laying the first foundation, we treat every project with the same care, commitment, and precision.

We exist to make the building process easier for our clients — and to ensure that every structure we touch stands strong for generations.

Our Leadership Team

Naseem Hafesji

Naseem Hafesji

Director & Structural Engineer

Known for his attention to detail and collaborative mindset, Naseem plays a key role in ensuring all designs meet British Standards, satisfy building control requirements, and support efficient, safe construction on site.

“Every structure we design has a purpose — and I take pride in making sure it stands strong, serves its function, and earns approval first time.”

Safi Alkoud

Safi Alkoud

Director & Project Manager

As both a strategic thinker and a practical problem-solver, Safi bridges the gap between engineering design and site execution. He works directly with clients, engineers, and trades to ensure projects are completed on time, on budget, and to the highest quality standards.

“Good project management is about more than ticking boxes — it’s about understanding the details, staying proactive, and earning trust every step of the way.”

The Company. Our core Values. Our Beliefs.

Safety First

We prioritise site safety and follow industry best practices to ensure all construction work meets UK standards. Read UK construction health and safety guidelines to learn more about the regulations we adhere to.

Integrity

We do what we say — every time. We are honest in our pricing, transparent in our processes, and accountable for our results. Our clients trust us because we deliver with professionalism and consistency.

Precision

Whether in design or construction, we don’t guess — we measure, calculate, and verify. Every beam, load, and joint is backed by data, regulations, and decades of experience.

Quality Without Compromise

We believe that good work speaks for itself. That’s why we use quality materials, skilled trades, and clear communication — ensuring each project meets or exceeds expectations.

Client-Centred Service

We listen before we build. Every client, big or small, gets personal attention, detailed updates, and a solution tailored to their specific needs, budget, and timeline.

Fair & Transparent Pricing

We provide clear, itemised quotes with no hidden costs. Our pricing reflects the quality of our work and the value of your investment — so you always know what you’re paying for and why.

Looking for trusted structural engineering and construction services in London?


At Sandstone Engineering, we combine expert structural design, precise calculations, and professional building execution to deliver residential projects that are safe, efficient, and fully compliant. Whether you’re planning a home extension, loft conversion, or chimney removal, our team is here to guide you from concept to completion.