Structural Engineer
The engineer most homeowners need first. If you're removing a load-bearing wall, building an extension, converting a loft or dealing with subsidence cracks, a structural engineer produces the calculations and drawings that Building Control require. CEng MIStructE or CEng MICE. Costs from £150 for a beam calculation.
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Structural Engineer
Calculates loads, sizes steel beams and produces structural calculations for Building Control. Essential for extensions, loft conversions, knock-throughs and any property with structural movement or subsidence.
Read guide EngineersCivil Engineer
Designs infrastructure including roads, drainage networks, earthworks and site layout. On larger residential and commercial developments the civil engineer leads all external works design.
Read guide EngineersGeotechnical Engineer
Investigates ground conditions - soil type, bearing capacity, contamination, groundwater - to inform foundation design. Required before any significant new build or underpinning works.
Read guide EngineersMechanical Engineer (M&E)
Designs and specifies heating, ventilation, air conditioning and plumbing systems (HVAC) in buildings. Most commonly required on commercial projects and larger residential schemes.
Read guide EngineersElectrical Engineer (M&E)
Designs power distribution, lighting, fire alarm and emergency systems in buildings. Distinct from a site electrician - the M&E electrical engineer produces design specifications and calculations.
Read guide EngineersBuilding Services Engineer
Combines mechanical and electrical engineering for a building's internal systems - heating, cooling, lighting, lifts and energy. Often the lead M&E consultant on a project.
Read guide EngineersAcoustic Engineer
Assesses and mitigates noise - between floors and walls, from plant and machinery, from external road or rail sources. Required by planning condition on many residential conversions and new builds.
Read guide EngineersFire Engineer
Designs fire safety strategies for buildings - escape routes, compartmentation, sprinkler systems and smoke control. Required on complex or large buildings where prescriptive Building Regulations alone are insufficient.
Read guide EngineersDrainage / SuDS Engineer
Designs surface water drainage and sustainable drainage systems (SuDS) - attenuation tanks, soakaways, permeable paving, swales and basins. Required on most planning applications in flood risk areas.
Read guide EngineersTransport / Highways Engineer
Designs the road and junction layout for new developments. Works alongside transport planners on access, visibility splays, swept paths and S278 highway agreements with the local authority.
Read guide EngineersHydrologist
Models rainfall, river flows and catchment behaviour to assess flood risk and design attenuation systems. Required on developments near watercourses or in flood zones where a detailed Flood Risk Assessment is needed.
Read guideEngineering qualifications explained
Every engineer you hire for a UK building project should hold a recognised qualification from one of the bodies below. Here is what the letters after their name actually mean - and which ones to look for depending on the type of engineer you need.
The primary qualification for structural engineers in the UK. Requires a recognised BEng or MEng in structural or civil engineering, a minimum of four years' supervised professional experience, and a rigorous written and interview review.
Chartered Civil Engineer status via the ICE. Equally valid as MIStructE for structural work, and the standard qualification for civil, geotechnical, drainage, transport and highways engineers. Internationally recognised.
The chartered qualification for mechanical engineers, covering HVAC design, building services plant and mechanical systems in buildings. Look for this alongside or instead of MCIBSE for M&E engineers.
Chartered electrical engineer status. The standard qualification for M&E electrical engineers designing power distribution, lighting and fire alarm systems in buildings.
The specialist membership for building services engineers covering the full M&E spectrum - heating, cooling, lighting, ventilation, lifts and energy. FCIBSE indicates Fellow status (senior). Look for this on any large residential or commercial M&E appointment.
Membership of the UK's professional body for acoustics. Required for acoustic engineers producing noise impact assessments, sound insulation calculations and planning condition reports. Always check IOA membership for acoustic work on residential conversions or sites near roads and railways.
Professional membership for fire engineers. A fire engineer holding CEng MIFireE has demonstrated competence in fire dynamics, life safety design and performance-based fire strategies. Essential for high-rise, complex and higher-risk buildings under the Building Safety Act 2022.
The professional body for drainage engineers, SuDS designers and hydrologists. MCIWEM or FCIWEM after a name confirms expertise in flood risk, surface water drainage and water quality. Required on many Environment Agency and local authority drainage submissions.
The chartered qualification for transport planners and highways engineers. MCIHT demonstrates competence in access strategy, traffic modelling, road safety audits and S278 highway agreements. Look for this on any planning application involving new roads or junction changes.
Not a qualification but essential to check for every engineer you appoint. PII covers you if their advice or calculations turn out to be wrong. Ask for a current certificate before signing anything. Minimum £500,000 per claim for residential projects; larger or commercial schemes warrant £1m+.