For single-storey, double-storey, and wraparound extensions on properties across the London Borough of Bromley.
Structural Design for House Extensions in Bromley
We provide comprehensive structural design services for all types of house extensions in Bromley. From initial calculations for foundations and superstructure to detailed drawings for steel beams and roof joists, our focus is on creating practical, efficient, and buildable designs. We collaborate with your architect to ensure our structural scheme fully supports their vision while meeting all Building Regulations requirements, whether it's for a Victorian terrace in Penge or a 1930s semi in Orpington.
Local Challenges
House Extensions in Bromley
In Bromley, a key challenge is managing the impact on neighbouring properties and respecting the established suburban character. For double-storey extensions, Bromley's planning policies often require designs to be subservient to the main house, which influences roof structure and beam placement. Ground conditions can also be variable across the large borough, requiring careful foundation design. In conservation areas like Bickley Park, material choices and visible structural elements must be handled with sensitivity to align with stringent local design codes.
What You Get
- Foundation design and drawings
- Superstructure calculations (masonry, timber)
- Steel beam and column design
- Roof structure design and joist layout
- Full structural drawing set for Building Control
- Site inspection support if required
Tailored Pricing
Request a Fee Proposal
Every project is unique. Share your drawings with us and receive a detailed fee proposal tailored to your house extensions project in Bromley.
Recent Project
Petts Wood, Bromley
We provided the full structural design for a 6-metre deep, single-storey rear extension on a 1930s semi-detached house. Our design included cantilevered steelwork to create a large, column-free corner opening with bifold doors, and carefully detailed foundations to navigate a nearby protected tree.
Common Questions
House Extensions in Bromley — FAQ
Ready to Engineer Your Project?
Get a bespoke consultation with a structural engineer who specialises in house extensions in Bromley.