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 Hertfordshire (12)

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Hertfordshire Ideal Homes Ltd
9.78
(37 reviews)
Operates in Hertfordshire
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Structural Design
Insurance Claim Specialist
Extensions / Conversions
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Wade Developments Ltd
10.00
(18 reviews)
Operates in Hertfordshire
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Builder
Structural Design
Partition Walls
Cladding
Concreting
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Trendy Extensions
9.97
(10 reviews)
Operates in Hertfordshire
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Builder
Structural Design
General Building
Garage Conversions
Extensions / Conversions
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R.D Pro Builders Ltd
9.83
(8 reviews)
Operates in Hertfordshire
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Builder
Structural Design
Basement / Cellar Conversions
Partition Walls
Concrete Garages
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ET Construction Group Ltd
9.83
(8 reviews)
Operates in Hertfordshire
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Structural Design
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Luan Meta
9.94
(63 reviews)
Operates in Hertfordshire
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Structural Design
Green Oak Framing
Demolition
Wall Tie Replacements
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Astra Building Service
10.00
(77 reviews)
Operates in Hertfordshire
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Builder
Structural Design
General Building
Green Oak Framing
Extensions / Conversions
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G
G.S.W Building Ltd
10.00
(46 reviews)
Operates in Hertfordshire
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Builder
Structural Design
Steel Work Design
Mastic Sealant
New Builds
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SJW Design & Build
9.83
(27 reviews)
Operates in Hertfordshire
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Builder
Structural Design
General Building
Brick / Concrete Structural Repairs
Project Management
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RN Building Services Ltd
(47 reviews)
Operates in Hertfordshire
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Builder
Structural Design
Partition Walls
Refurbishments
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S H Construction
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NPH London LTD
(6 reviews)
Operates in Hertfordshire
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Structural Design
Concreting
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Top rated Structural Designs in Hertfordshire

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Structural designers in Hertfordshire

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 Hertfordshire 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 Hertfordshire (12)

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Hertfordshire Ideal Homes Ltd

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Wade Developments Ltd

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Trendy Extensions

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R.D Pro Builders Ltd

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ET Construction Group Ltd

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Luan Meta

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Astra Building Service

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G.S.W Building Ltd

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SJW Design & Build

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RN Building Services Ltd

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S H Construction

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NPH London LTD

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Structural designers in Hertfordshire

What structural designers do

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