Why Choose HDRM Engineering
HDRM Engineering provides clear, efficient structural design for homeowners, architects and builders across London and the South East. With 20 years’ experience and all work led by a chartered structural engineer, we deliver practical, cost‑saving solutions for extensions, loft conversions, refurbishments and new builds.
Professional, efficient service
- Fast, responsive communication
- Cost‑saving structural solutions
- Clear, buildable designs for domestic construction
- Trusted by homeowners, architects and builders
Structural Engineering Services
Extensions & Rear Additions
Structural design for single‑storey and double‑storey extensions.
Loft Conversions & Internal Alterations
Steel design, load assessments and structural layout changes.
Beam, Column & Foundation Design
Efficient, practical solutions tailored to domestic construction.
Builder & Architect Coordination
Clear communication, early risk identification and buildability advice.
How Our Process Works
Send us your drawings
Architectural plans, estate agent layouts or sketches.
Receive a fixed‑fee quote
Clear pricing with no hidden extras.
Structural design delivered
Coordinated structural drawings ready for your builder.
Recent Projects
Greenwich – Rear Extension
Structural design for a domestic rear extension, including steel layout and foundation detailing.
South London – Garden Room
Efficient steel and foundation design for a timber garden structure.
Coverage Area
London, Kent, Surrey, Sussex.