Call Now
Website
Call
Business Details
Trusted Structural Engineering Solutions in London
HLN Engineering, part of the HLN Group, has been delivering structural and civil engineering expertise for over five decades. Our chartered engineers specialise in providing innovative solutions to complex structural challenges, supporting clients from initial concept through to project completion. We prioritise long-term client relationships by offering practical expertise throughout the entire project lifecycle, ensuring quality service delivery.

With a strong reputation evidenced by 85% repeat business, we serve diverse regions across the UK including London, the South East, and nationwide locations. Our comprehensive services cover structural inspections, beam design, loft conversions, house extensions, and expert witness reports, supported by a dedicated technical team committed to excellence.
Services
Structural Engineering Civil Engineering Loft Conversions Beam Design House Extensions Drainage Design Expert Witness Reports
Highlights and features
  • We have over 50 years of experience in structural engineering consultancy.
  • Our team consists of chartered engineers with specialist expertise.
  • 85% of our work comes from repeat business and referrals.
  • We provide nationwide service coverage across the UK.
  • We offer comprehensive engineering solutions from concept to completion.
What people say
Excellent report Professional and efficient Innovative solutions Thorough assessments Repeat business
Services
Structural Engineering
HLN Engineering provides comprehensive structural engineering services for residential and commercial projects. Our chartered engineers deliver innovative solutions for new builds, renovations, and complex structural challenges. We specialise in creating safe, efficient designs that meet regulatory requirements while optimising project budgets and timelines.
Loft Conversions
We offer specialist structural support for loft conversion projects including Velux, Mansard, and Hip-to-Gable designs. Our engineers ensure compliance with building regulations while maximising space efficiency. We provide detailed calculations and drawings to support planning applications and construction phases.
Beam Design
HLN Engineering designs various beam types including simply supported, fixed, and cantilever beams. Our engineers calculate load capacities and material specifications to ensure structural integrity. We provide detailed technical drawings and compliance documentation for construction projects of all scales.
Expert Witness Reports
We prepare detailed expert witness reports for insurance claims and legal proceedings. Our chartered engineers conduct thorough structural assessments and provide clear, evidence-based documentation. These reports are used in mediation, litigation, and insurance claim settlements across residential and commercial cases.
House Extensions
Our team supports domestic extension projects with structural calculations and design solutions. We handle planning requirements, building control submissions, and on-site inspections. We specialise in creating functional extensions that maintain structural integrity while meeting homeowners' needs.
Questions
What areas do HLN Engineering cover?
We operate nationwide across the UK, with particular expertise in London, the South East, and major cities including Birmingham, Manchester, and Bristol.
What types of engineering services do you offer?
We specialise in structural and civil engineering, including beam design, loft conversions, house extensions, drainage design, and expert witness reports.
How experienced is your team?
Our engineers have over 50 years combined experience, with chartered professionals delivering solutions for complex structural challenges across residential and commercial sectors.
Do you handle insurance-related structural claims?
Yes, we regularly prepare expert reports for insurance claims and legal proceedings, with a proven track record in successful claim settlements.