Engineering the Future of Rail Infrastructure

Rail Infrastructure | Station Development | Transport Consultancy

An independent British consultancy trusted by ministries, railway authorities, and infrastructure clients across 18 countries.

35+
Years of Experience
500+
Projects Delivered
£8bn+
Infrastructure Value
200+
Expert Professionals
18
Countries Served
LSP engineers in high-visibility wear reviewing drawings on a rail construction site at sunset
Who We Are

London's premier independent rail consultancy

Founded in 1990 by British Rail engineers, LSP combines the breadth of a large multidisciplinary firm with the agility of a specialist practice.

From our Westminster base — minutes from the Department for Transport and Network Rail — our 200-strong team of structural engineers, architects, transport planners, and digital specialists advises on some of the most complex rail projects in the UK and internationally.

Featured Projects

A portfolio built on proven delivery

HS2 Old Oak Common Station£1.2bn

HS2 Old Oak Common Station

Upper Structure & Civils Advisor
ClientHS2 Ltd / DfT
Period2019–Present

Specialist upper-structure advisory for the UK's largest new underground interchange station, including technical review of the station-box design, permanent-way interfaces, and canopy structural systems across eight platforms.

London Bridge Station Redevelopment£570m

London Bridge Station Redevelopment

Lead Station Structural Consultants
ClientNetwork Rail / Costain
Period2012–2018

Lead structural consultants for the phased redevelopment of London Bridge — among the most complex live-station engineering projects in modern British rail. Delivered structural design for the new concourse, platform canopies, and OLE transition while maintaining full passenger throughput.

Riyadh Metro — Stations 1–10£280m

Riyadh Metro — Stations 1–10

Station Design & Structural Engineering Lead
ClientSaudi Railway Authority
Period2014–2020

Full architectural and structural engineering for ten metro stations across Riyadh's Blue Line, including distinctive canopies, subterranean platforms, and passive-cooling systems integrated within structural schemes for an extreme climate.

Built In From Day One

Safety, sustainability and digital — in every project

Safety First

An independent assurance practice led by professionals from operational railway backgrounds — ROGS, CDM 2015, and structural safety cases.

Green Rail

Net-zero project outputs by 2040, with embodied-carbon analysis embedded into every structural design decision.

Digital Rail

BIM Level 2/3, digital twins, and AI-assisted structural health monitoring across the asset lifecycle.

Independence

No commercial ties to contractors or suppliers — our advice is driven solely by your project's best interest.

Let's discuss your rail programme

Whether you are shaping a national strategy or delivering a single interchange, our team is ready to help. Tell us about your challenge.