What does a structural engineer do in building design?

They calculate and design the structural elements of a building to ensure it’s strong, stable, and compliant with building regulations.

When do I need a structural design?

You’ll need structural calculations for any project that changes load-bearing elements — such as removing walls, adding an extension, converting a loft, or building a new property.

Can an architect do structural design?

Architects design layouts and aesthetics, but structural engineers handle the technical calculations that make those designs safe and compliant.

Do I need structural calculations for Building Control approval?

Yes. Building Control will require signed-off structural calculations for any work that affects a building’s stability or structure.

How long does it take to get structural design drawings?

Simple projects can be completed within a few days. More complex designs, such as multi-storey or bespoke builds, can take one to two weeks.

What qualifications should a structural engineer have?

Look for membership with the Institution of Structural Engineers (IStructE) or Institution of Civil Engineers (ICE) to ensure professional standards and competence.

Structural Design in Dorset (12)

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Purbeck Home Improvements & Developers Ltd
9.93
(283 reviews)
Operates in Dorset
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Structural Design
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Revo Construction
9.78
(85 reviews)
Operates in Dorset
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Builder
Structural Design
Workshop Design / Construction
Agricultural Building
Basement / Cellar Conversions
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HD Kitchens & Developments
9.96
(105 reviews)
Operates in Dorset
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Builder
Structural Design
Cladding
General Building
Car Ports
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Confidence Group Southern Ltd
10.00
(73 reviews)
Operates in Dorset
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Builder
Structural Design
Car Ports
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Generation Builders & Landscapes
10.00
(70 reviews)
Operates in Dorset
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Builder
Structural Design
Extensions / Conversions
Car Ports
Loft Conversions
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AC Renovations
(64 reviews)
Operates in Dorset
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Builder
Structural Design
Partition Walls
Extensions / Conversions
Property Maintenance / Repair
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Dorset Building & Landscaping Ltd
10.00
(67 reviews)
Operates in Dorset
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Builder
Structural Design
General Building
Fire and Flood Renovation
Extensions / Conversions
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AMC Developments Limited
10.00
(63 reviews)
Operates in Dorset
Services & skills
Builder
Structural Design
Car Ports
Extensions / Conversions
Garage Conversions
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SDM Builders Ltd
9.00
(62 reviews)
Operates in Dorset
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Builder
Structural Design
Insurance Claim Specialist
General Building
Concreting
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G.E.M Carpentry & Building Limited
(8 reviews)
Operates in Dorset
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Builder
Structural Design
Mastic Sealant
Sustainable Construction
Concreting
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D Dunn Ground Works
9.89
(111 reviews)
Operates in Dorset
Services & skills
Builder
Structural Design
Car Ports
Wall Tie Replacements
Steel Work Design
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Rosewood Building Services
(36 reviews)
Operates in Dorset
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Builder
Structural Design
General Building
Steel Work Design
Foundations
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Top rated Structural Designs in Dorset

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Our Structural Designs in Dorset are rated an average of 10 out of 10 based on a sample of 68 reviews from customers like you*

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Structural designers in Dorset

Structural design ensures that buildings and structures are safe, stable, and built to withstand everyday use and environmental forces.

From home extensions and loft conversions to large commercial projects, a qualified structural engineer can provide detailed calculations and drawings to make your project safe, compliant, and efficient.

What structural designers do

A structural designer or engineer analyses how loads and forces act on a structure.

They use advanced software and building regulations to design foundations, beams, columns, and other supporting elements that meet safety standards.

Whether you’re planning a new build or altering an existing property, they’ll help ensure your design meets Building Control requirements.

Working with a structural design specialist early in your project can also help reduce material waste and prevent costly construction issues later on.

How much does structural design cost?

The cost of structural design in Dorset depends on the project’s size and complexity.

For straightforward residential work like a beam calculation or load-bearing wall removal, costs are typically in the region of £250–£750. Full structural design for extensions or new builds may range from £800–£2,500+, depending on scope and detail required.

Most engineers provide a fixed quote once they’ve reviewed your drawings or site plans.

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Structural Design in Dorset (12)

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Describe your job

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Purbeck Home Improvements & Developers Ltd

Services & skills

Revo Construction

Services & skills

HD Kitchens & Developments

Services & skills

Confidence Group Southern Ltd

Services & skills

Generation Builders & Landscapes

Services & skills

AC Renovations

Services & skills

Dorset Building & Landscaping Ltd

Services & skills

AMC Developments Limited

Services & skills

SDM Builders Ltd

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G.E.M Carpentry & Building Limited

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D Dunn Ground Works

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Rosewood Building Services

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Structural designers in Dorset

What structural designers do

How much does structural design cost?

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