Structural Engineering. Done Properly

Structural Engineering. Done Properly

Built on Experience

Built on Experience

Delivered with Precision

Delivered with
Precision

Delivered with
Precision

We deliver structural engineering solutions that are safe, practical and built around your project — from initial concept through to construction support

Our Services

Our Services

Our Services

House Extensions

Beam Installations

Timber Frames

Industrial Plant

Jetty Piles

House Extensions

Beam Installations

Timber Frames

Industrial Plant

Jetty Piles

House Extensions

Beam Installs

Timber Frames

Industrial Plant

Jetty Piles

About Us

Structures Built on Simple Principles

Who We Are

Structural Productions Ltd is the practice of
Jason Massey | IEng IMIStructE, delivering practical structural solutions across residential, commercial and industrial projects throughout the UK and overseas

Our Approach

We take a hands-on, practical approach to every project — from initial concept through to construction support. Getting it right matters more than the schedule or price

Our Standard

At Structural Productions good engineering practice is non-negotiable. Each and every project is delivered with the same attention to detail, whether it's a house extension or a major industrial facility

Every project is different. The standard never changes. Supported by a trusted associates, Structural Productions has the experience and capability to deliver practical solutions across projects of varying scale and complexity

See How We Work

See How We Work

See How We Work

What We Offer

Structural Engineering
for Every Project Type

Residential Structures

Extensions, alterations, loft conversions, wall removals and new build homes — practical structural solutions for homeowners, developers and self-builders

Supporting Architects

Collaborative structural design support for architects — from concept design through to planning and building regulations and construction support

Assessments & Reports

Independent structural assessments, feasibility studies and reports for existing buildings — delivering practical advice and clear engineering recommendations

See All Services

See All Services

See All Services

Why Structural Productions

Good structural engineering isn't just about calculations

It's about understanding your project, your priorities and delivering practical solutions that work in the real world

It's about understanding your project, your priorities and delivering practical solutions that work in the real world

Good structural engineering goes beyond the calculations & drawings. It requires an understanding of how projects are designed, coordinated and ultimately built. From house extensions and structural alterations through to major industrial developments, we consider the wider project — not just the individual structural elements.

Good structural engineering goes beyond the calculations & drawings. It requires an understanding of how projects are designed, coordinated and ultimately built. From house extensions and structural alterations through to major industrial developments, we consider the wider project — not just the individual structural elements.

By working closely with homeowners, architects and contractors, we develop solutions that are clear, coordinated and practical to build, while considering the priorities and constraints of each project.

By working closely with homeowners, architects and contractors, we develop solutions that are clear, coordinated and practical to build, while considering the priorities and constraints of each project.

By working closely with homeowners, architects and contractors, we develop solutions that are clear, coordinated and practical to build, while considering the priorities and constraints of each project.

The Journey

From Technician to Consultant

A Career Shaped by Projects, People and Experience

A Career Shaped by Projects, People and Experience

1990

The Beginning

Design Technician with the Government's consultancy - PSA Projects. Building foundations in structural design, detailing and 3D modelling, guided and mentored by respected senior engineers

1996

Finding My Path

Petrochemical & Pharmaceutical facilities, from pump plinths to simple beam designs, enjoying the accuracy, logic and problem-solving that structural engineering demands. This was the career for me

2003

Defining Milestone

Achieved Incorporated Engineer status (IEng IMIStructE) through the Institution of Structural Engineers, providing professional recognition and opening the door to international engineering opportunities

2007

Caspian Region

Structural Engineer working across Europe, Russia, Kazakhstan and Azerbaijan on major industrial and energy developments, gaining valuable experience in complex multidisciplinary projects

2003

Defining Milestone

Achieved Incorporated Engineer (IEng MIStructE) status through the Institution of Structural Engineers, providing professional recognition and opening the door to international engineering opportunities

2015

Back Home

Returning to consultancy in South Wales, delivering residential and commercial projects while rediscovering the satisfaction of working directly with architects, clients and contractors

2019

Taking the Lead

Lead Engineer for contractors and clients. Responsible for structural design delivery and overseeing works on some of the world's most complex and demanding projects, at home and overseas

2021

Client Leadership

Leading technical review and delivery on National Grid's £450m Isle of Grain LNG expansion, representing the client and overseeing structural design on a major UK infrastructure project

2024

Home to Stay

Founded Structural Productions, bringing 35 years of hard-earned experience back to where it matters most. Residential and commercial projects done properly across South Wales and beyond

2007

Caspian Region

Structural Engineer working across Europe, Russia, Kazakhstan and Azerbaijan on major industrial and energy developments, gaining valuable experience in complex multidisciplinary projects

2015

Back Home

Returning to consultancy in South Wales, delivering residential and commercial projects while rediscovering the satisfaction of working directly with architects, clients and contractors

2019

Taking the Lead

Lead Engineer for contractors and clients. Responsible for structural design delivery and overseeing works on some of the world's most complex and demanding projects, at home and overseas

2015

Back Home

Returning to consultancy in South Wales, delivering residential and commercial projects while rediscovering the satisfaction of working directly with architects, clients and contractors

2019

Taking the Lead

Lead Engineer for contractors and clients. Responsible for structural design delivery and overseeing works on some of the world's most complex and demanding projects, at home and overseas

2021

Client Leadership

Leading technical review and delivery on National Grid's £450m Isle of Grain LNG expansion, representing the client and overseeing structural design on a major UK infrastructure project

2024

Home to Stay

Founded Structural Productions, bringing the lessons learned from major projects back to residential and commercial developments close to home and beyond. Focused on practical solutions

Homeowner Guides

Practical Structural Advice

Clear guidance and insights, explained in simple terms. Helping homeowners, architects and developers make informed decisions

Clear guidance and insights, explained in simple terms. Helping homeowners, architects and developers make informed decisions

May 9, 2026

What is an RSJ beam and when do I need one?

RSJ beams are one of the most common structural elements in residential work — here's what they are and why they matter

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Apr 4, 2026

Do I need a structural engineer for my extension?

Planning a house extension? Find out when structural engineering input is required and what it involves

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Feb 20, 2026

Working with a structural engineer — what to expect

From initial enquiry through to completion — a straightforward guide to the process of working with a structural engineer

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