Extension (Cardiff, South Wales)
The structural calculations behind this project, prepared by our engineers for building control.
Project Overview
Location
Cardiff, South Wales
Project Type
Extension
Structural Services
Detailed Calculations
Compliance
Building Regulations
Oak Frame Extension – Cardiff, South Wales
This Cardiff home has been transformed with a stunning oak frame extension, combining traditional craftsmanship with modern structural engineering. The decorative oak framework adds timeless character, while the wrap-around glazing creates a bright, open sunroom, seamlessly blending indoor and outdoor living.
To ensure structural integrity, long-term stability, and compliance with Building Control, PorthouseDean provided expert structural calculations, designing the oak framework using traditional carpentry techniques to enhance both aesthetics and durability.
Maximising Light & Character with Smart Structural Design
This project featured:
✅ A decorative oak frame extension – Combining natural materials with modern design
✅ Wrap-around glazing – Flooding the space with natural light and garden views
✅ Traditional carpentry joints – Ensuring structural stability and authenticity
✅ Seamless integration with the home – Creating a timeless yet functional living space
What we did
Our contributions included:
✔ Structural calculations for the oak frame extension – Ensuring safety and stability
✔ Timber frame design & load distribution – Supporting the weight of the structure
✔ Glazing & frame integration – Maintaining structural integrity while maximising natural light
✔ Foundation analysis – Providing a strong base for long-term durability
With expert structural engineering, this Cardiff home now benefits from a beautiful, light-filled oak frame extension, perfect for relaxation, entertaining, and enjoying the natural surroundings.
Thinking About an Oak Frame Extension? Let’s Make It Happen!
At PorthouseDean, we provide expert structural calculations for oak frame extensions, timber structures, and contemporary glazing integrations.
📍 Providing structural engineering across Cardiff, Newport, and South Wales.
Why Extend Your Home?
More Space, More Possibilities
Create an open-plan kitchen, a family hub, or a bright entertaining space.
A Date You Can Plan Around
You choose the delivery date, and the price follows the date.
More Natural Light
A wider opening to the garden needs a beam sized for the load above it. The calculations set that size.
Personalised Design
Every house is built differently. The calculations work from your drawings and the structure you already have.
How PorthouseDean Supports Your Project
Every project is different, but the need for precise, reliable structural calculations remains the same. Our engineers work with:
Homeowners
Ensuring designs are safe, cost-effective, and practical.
Architects
Providing calculations that allow for creative yet compliant designs.
Builders
Making sure construction runs smoothly with clear, reliable specifications.
Planning Your Own Project?
More than 9,000 projects since 2012 have run through the same process. You get a fixed price before you commit, and you choose the delivery date.
📩 Get a QuoteStructural Engineering Services We Offer
Structural Calculations for Loft Conversions
Calculations for the floor, beams and roof changes a loft conversion needs.
Structural Calculations for Wall Knock-Throughs
Beam and support calculations for taking out a wall.
Structural Calculations for Extensions & New Builds
Calculations for foundations, walls, beams and roofs on extensions and new builds.
Structural Calculations for Bi-Fold Doors & RSJs
Beam and padstone sizes for wide openings and bi-fold doors.
Structural Drawings & Building Control Calculations
Complete documentation to help you achieve smooth Building Control approvals.