House

Extension

House extensions require careful structural design to safely support new openings, additional loads, and changes to the existing building. Whether extending to the side, rear, or both, a well-engineered solution is essential to ensure stability and long-term performance.

At Rivet Engineering, we provide detailed structural designs tailored to your project. From large open-plan layouts to roof modifications and skylight integration, our solutions are practical, compliant, and ready for construction.

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01/ Initial Consultation

Understanding your requirements, project scope, and structural needs.

02/ Structural Design

Developing practical and efficient designs tailored to your project.

03/ Calculations & Drawings

Preparing accurate calculations and clear drawings for approval and construction.

04/ Approval & Support

Supporting Building Control approval and providing guidance during construction.

Planning a home extension or structural alteration?

Get expert advice to ensure your project is safe, compliant, and designed for success. From initial concepts to final calculations, we’ll guide you every step of the way.

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Why use our services?

When you work with Rivet Engineering, you are choosing peace of mind. Here is what sets us apart:

Chartered Expertise

Every single project we undertake is checked and verified by an experienced Chartered Engineer (MICE CEng). This ensures the highest standard of safety and compliance.

Flexible Appointments

We understand our clients have busy schedules. We offer flexible site visit times, including evenings and weekends, to suit your working pattern and availability.

Fast, Reliable Turnaround

We understand that structural design is often a critical stage in keeping your project on schedule. Delays in calculations or reports can hold up planning approval and construction, so we prioritise efficient delivery without compromising on accuracy:
Structural Inspection Reports: Delivered within 4–5 working days.
Structural Calculations: Delivered within 7–8 working days.

Fixed, Transparent Pricing

We offer fixed-price quotes agreed upfront, so you know exactly what to expect with no hidden costs.

Fully Insured

Total peace of mind with comprehensive Professional Indemnity and Public Liability insurance, meeting all lender and legal requirements.

5-Star Rated

We are proud to have consistently earned 5-star ratings on Google Reviews, reflecting our commitment to quality, reliability, and customer satisfaction.

Structural Solutions for Homeowners

Load-Bearing Wall Removals

Load-bearing wall removal requires careful structural design to ensure the safety and stability of your property.

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Chimney Breast Removals

Chimney breast removal requires careful structural design to ensure the remaining chimney stack is safely supported.

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Loft Conversions

Loft conversions require careful structural design to safely support new floor loads, roof alterations, and dormer constructions.

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House Extensions

House extensions require careful structural design to safely support new openings, additional loads, and changes to the existing building.

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Crack Inspections

Cracks in walls or ceilings can be concerning but not all cracks are a sign of serious structural issues.

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Missing Documentation & Alterations

If structural changes have been carried out without proper documentation, it can create challenges.

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Retaining Walls

Retaining walls require careful structural design to safely support ground loads and prevent soil movement.

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Underpinning

Underpinning requires careful structural design to stabilise and strengthen existing foundations, particularly where movement or subsidence has occurred.

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Featured Projects.

This project showcases how intelligent structural design can transform a home. By engineering a wide structural opening and supporting a complex wrap-around extension, we helped create a bright, open-plan living space that seamlessly connects old and new.

From initial design through to Building Control approval, our focus on precision, collaboration, and buildability ensured a smooth process and a result that is both functional and visually impressive