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 West Sussex (13)

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Nell Developments Limited
9.78
(12 reviews)
Operates in West Sussex
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Structural Design
Garden Studios
Extensions / Conversions
Insurance Claim Specialist
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TRG Property Care
9.89
(160 reviews)
Operates in West Sussex
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Structural Design
Refurbishments
Cladding
Demolition
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CDW Building Services Ltd
10.00
(168 reviews)
Operates in West Sussex
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Structural Design
Partition Walls
Insurance Claim Specialist
Fire and Flood Renovation
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CWK Properties Ltd
9.16
(174 reviews)
Operates in West Sussex
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Builder
Structural Design
Partition Walls
Basement / Cellar Conversions
Brick / Concrete Structural Repairs
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GTR CONSTRUCTION SERVICES
9.89
(111 reviews)
Operates in West Sussex
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Builder
Structural Design
Emergency Builder Service
Cladding
Structural Steels
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Allbright Limited
10.00
(103 reviews)
Operates in West Sussex
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Builder
Structural Design
Extensions / Conversions
Cladding
Garden Studios
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W G Wilson & Sons Builders Limited
9.50
(89 reviews)
Operates in West Sussex
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Builder
Structural Design
Cladding
Building Merchants
Heritage Property Specialist
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TOTAL SERVICES CONSTRUCT LTD
9.60
(16 reviews)
Operates in West Sussex
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Builder
Structural Design
Partition Walls
Repair and Listed Building Specialist
Emergency Builder Service
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PJS Interiors Limited
10.00
(8 reviews)
Operates in West Sussex
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Builder
Structural Design
General Building
Concreting
Concrete Garages
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Arch Construction Sussex Ltd
(43 reviews)
Operates in West Sussex
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Builder
Structural Design
Demolition
Agricultural Building
Loft Conversions
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B & N Builders
10.00
(29 reviews)
Operates in West Sussex
Services & skills
Builder
Structural Design
Concreting
Basement / Cellar Conversions
Insurance Claim Specialist
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Rosewood Building Services
(36 reviews)
Operates in West Sussex
Services & skills
Builder
Structural Design
Extensions / Conversions
Partition Walls
Diamond Drilling
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Top rated Structural Designs in West Sussex

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Our Structural Designs in West Sussex are rated an average of 10 out of 10 based on a sample of 98 reviews from customers like you*

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Structural designers in West Sussex

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 West Sussex 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 West Sussex (13)

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Describe your job

Describe your job

Nell Developments Limited

Services & skills

TRG Property Care

Services & skills

CDW Building Services Ltd

Services & skills

CWK Properties Ltd

Services & skills

GTR CONSTRUCTION SERVICES

Services & skills

Allbright Limited

Services & skills

W G Wilson & Sons Builders Limited

Services & skills

TOTAL SERVICES CONSTRUCT LTD

Services & skills

PJS Interiors Limited

Services & skills

Arch Construction Sussex Ltd

Services & skills

B & N Builders

Services & skills

Rosewood Building Services

Services & skills

Structural designers in West Sussex

What structural designers do

How much does structural design cost?

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