Product & Services

  • Architectural and engineering models
  • Building renovations
  • Building control
  • Construction design
  • Construction engineers
  • Consulting engineers
  • Engineering models
  • Foundation design
  • Self build homes
  • Site engineers
  • Structural calculations
  • Structural design
  • Structural drawings
  • Structural glass
  • Structural repairs
  • Structural surveys
  • Underpinning
  • Wall ties

Business Overview

Leaders in high-quality structural engineering
We deliver tailored structural engineering solutions for residential extensions, loft conversions, basement projects, and new builds for both domestic and commercial clients.

RTZ is an established practice with extensive experience, offering customised engineering services for projects of any size. Our team provides expert support across a wide range of structural engineering needs.

We provide design calculations for rear extensions, loft conversions and general alterations, basement conversions, new builds, building surveys, party wall matters, subsidence reports and underpinning, and 3D modelling / BIM.

We are experts in the structural design of extensions, refurbishments, loft and basement conversions. Whether it’s removing an internal wall for an open-plan layout or large-scale remodelling of an existing building, we provide solutions tailored to your project.

Our process begins with a discussion of the client brief, followed by a site visit. We prepare a comprehensive calculation package ready for submission to building control for approval.

Our engineers develop structural design calculation packages along with technical drawings and specifications, ensuring everything is ready for building control approval and to support construction works.

RTZ can supply complete Building Regulation drawings and specifications, including calculations and construction specification packages. We stay up to date with changes to Building Regulations to ensure your development proceeds smoothly and efficiently.

Open Hours

Our working hours
Monday 09:00 - 18:00
Tuesday 09:00 - 18:00
Wednesday 09:00 - 18:00
Thursday 09:00 - 18:00
Friday 09:00 - 18:00
Saturday 10:00 - 16:00
Sunday Closed

Find Us Here

Direct Home Furniture (directhomefurniture.co.uk) Head Office, 71-75 Shelton Street, London WC2H 9JQ, United Kingdom

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