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UK cost guide

Structural Engineer Cost UK 2026

Current UK structural engineer costs for inspections, reports, RSJ calculations, load-bearing walls and residential design work.

Last reviewed: 1 September 2026 · Sources & data · Methodology

Typical planning cost£300 inspection · £100–£200 per hour
Broader project range£200 RSJ calculation to £5,000 complex residential project
Planning figures are estimates rather than quotations. Live calculators combine dated UK benchmarks with clearly separated modelling assumptions such as region, size, condition and specification.

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What affects the cost?

Structural engineer fees depend on whether you need a site inspection, written report, beam calculation or broader design work. Larger and more complex projects require more calculations, drawings and coordination than a single structural check.

  • Type of structural service
  • Project size and complexity
  • Number of calculations or drawings
  • Site visits required
  • Property type and access
  • Region and engineer availability

Typical cost breakdown

Structural engineer inspectionAround £300
Structural engineer reportAround £700
Inspection + report planning totalAround £1,000
RSJ calculationAround £200
Load-bearing wall projectAround £400
Hourly rate£100–£200
Basic residential projectAround £1,000
Complex residential projectAround £5,000

Sources used for this guide

Checkatrade

Structural Engineer Costs UK: 2026 Prices

Published / checked: June 2026

Used for: Structural engineer project, hourly, inspection, report, RSJ calculation and load-bearing wall benchmarks

View source ↗

Frequently asked questions

How much does a structural engineer cost in the UK?

Current 2026 guidance puts a straightforward residential project around £1,000 and a more complex residential project around £5,000, with hourly rates commonly around £100–£200.

How much is a structural engineer report?

A current benchmark is around £700 for the report, with a separate inspection benchmark around £300 where a site visit is required.

How much is an RSJ calculation?

A current 2026 planning benchmark is around £200 for a structural engineer RSJ calculation.

Related costs

Cost guide

Structural survey

UK structural survey costs for cracking, movement, subsidence concerns and property-specific structural investigations.

Around £1,000 for a structural surveyView guide →Cost guide

RSJ beam

UK RSJ steel beam supply and installation costs for openings, extensions and load-bearing wall work.

£200–£950 beam + £300–£750 installationView guide →Cost guide

Load-bearing wall removal

Current UK costs for removing a load-bearing wall, from doorway openings to larger open-plan knock-throughs, plus common professional allowances.

£1,250–£1,750View guide →