
Lachezar Slavchev
Director, Co-owner and Lead Structural Engineer


About KrasenLach
A small, senior-led consultancy built to act as an extension of our clients’ own teams.
Helping contractors build safely, efficiently and with confidence.
KrasenLach provides Structural, Temporary Works and MEP engineering throughout the UK. We focus on a small group of trusted partners and stay close to delivery, responding quickly, communicating clearly and applying judgement where projects are most exposed.
Our purpose
We believe existing structures and site resources have value. We listen before designing, reduce unnecessary cost and disruption, and push the limits of what is possible without losing sight of safety or buildability.
Senior-led by design

Director, Co-owner and Lead Structural Engineer

Director, Co-owner and Lead MEP Engineer

Director, Co-owner, MEP Engineer and Admin & Financial Director
How we behave
The best engineering is developed together. Different expertise creates better solutions.
Software produces calculations. Engineers make decisions.
The simplest safe solution is often the best solution.
We give honest advice, explain better options and avoid unnecessary complexity.
We aim to become the engineering partner clients trust across many projects.