Our Vision
To be a leading provider of innovative and sustainable engineering solutions, driving positive change in infrastructure development and shaping a better future for communities.
Ourstory
Led by architectural designers and chartered engineers, RDK Civil Engineering Limited was established with one goal: to become the most dependable and trustworthy engineering consultancy in the UK.
20+Years’ experience
17Designers & engineers
95%+Planning success rate
Who We Are
Our commitment to excellence is the essence that drives us. Guided by a dynamic team of designers and engineers, our vision is to be the symbol of dependability and integrity in engineering consultancy throughout the UK.
Our Mission
To deliver exceptional engineering services with integrity, expertise and innovation — creating sustainable, resilient infrastructure that improves lives and enhances the environment.
Our Values
Quality, professionalism and transparency. We believe in getting it right the first time, and our ‘One Team’ approach keeps architectural vision and structural logic in harmony.
Our Aim
To be the most dependable engineering consultancy in the industry — removing the stress of construction with clear, buildable plans that maximise space and minimise cost.
Ranga Kalupahana
BSc Eng (Hons), MICE · Managing Director
A Word From The Director
Book a Consultation
A fresh approach to every project
Welcome to RDK Civil Engineering Limited, a leading engineering consultancy in the UK with 20+ years’ experience. As the Managing Director, I am proud to lead a team of highly skilled and qualified architectural designers and structural engineers who are committed to delivering exceptional services to our clients.
At RDK Civil Engineering Limited, we understand that each client has unique requirements. That’s why we take a fresh approach to every project, ensuring that our solutions are tailored to meet their specific needs. Whether it’s obtaining planning permissions, providing architectural services, offering structural engineering expertise, or ensuring compliance with building control regulations, we are here to assist you every step of the way.
Our goal is to become the most dependable and trustworthy engineering consultancy in the industry. We achieve this through our unwavering commitment to quality, professionalism and innovation. With our wealth of experience and technical expertise, we strive to exceed our clients’ expectations and deliver projects of the highest standards.
From concept to completion, RDK Civil Engineering Limited is your trusted partner in turning your vision into reality. Feel free to contact us to discuss your project requirements — our team will be delighted to assist you.
Ranga Kalupahana, BSc Eng (Hons), MICEManaging Director
Value Engineering
Smart engineering. Lower build costs.
We don’t just draw plans — we virtually build your project before construction begins. Using 3D modelling and structural optimisation, we test load paths and material efficiency so your design is not only beautiful but cost-effective to build, eliminating on-site conflicts and reducing steel tonnage.
Reduced Material Costs
Precise load calculations avoid unnecessary heavy steel or concrete.
Space Maximisation
Smart structural supports minimise bulky columns and maximise living space.
Builder Friendly Designs
Practical plans that contractors can follow easily, reducing on-site delays.
Regulatory Compliance
Every design meets strict UK Building Regulations while keeping construction simple.
Residential & Commercial
Tailored solutions for every sector
From private home improvements to large-scale commercial developments.
For Homeowners
Residential Projects
Transforming your home takes a delicate balance of aesthetic vision and structural safety. We help homeowners navigate the planning and design process.
Extensions & LoftsSeamless additions that add value
Wall RemovalsOpen-plan living calculations
Outbuildings & AnnexesFunctional extra space for families
For Developers & Businesses
Commercial & Developers
For developers and property professionals, time is money. We provide rapid, reliable engineering packages that keep your site moving.
New Build DevelopmentsComplete structural packages
Change of UsageRetail or office to residential
Structural SurveysAcquisitions & safety checks
Meet Our Team
The people behind every drawing
{{teamCount}}{{teamLabel}}
{{t.name}}
{{t.role}}
Awards
Best Engineering Consultancy 2026 – UK
RDK Civil Engineering Limited has been named the winner of Best Engineering Consultancy 2026 – UK at the Build Architecture Awards 2026. The award recognises the work of our whole team of designers and engineers, and the clients who trust us with their homes.
Work With Us
Get a Quote
View Projects
Let’s turn your vision into reality
Talk to one of our team members about your project — no obligation.