Sterior Consulting Engineers Ltd

Professional Structural Engineering & Design Specialists Across the UK

Welcome to Sterior. We deliver clear, fully compliant structural calculation packages, detailed building drawings, and authoritative structural defect reports. Tailored specifically for homeowners, architects, and developers, our designs are optimized for rapid Building Control approval and straightforward site installation.

01 / 05

Residential Rear Extension

Structural Design & Calculations

Full structural engineering design package for a large single-storey rear extension and internal wall knock-through. Provided detailed steel beam specifications, splice details, and masonry padstone designs required to create an open-plan kitchen and dining layout.

Scope

Steelwork & Padstones

Year

2025

Submission

Building Control Approved

Steel Beam Design Wall Removal Open Plan Layout Part A Compliance
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02 / 05

Loft Conversion Framework

Timber & Steel Engineering

Structural calculations and architectural detailing for a dormer loft conversion on a semi-detached residential property. Designed a structural skeletal grid involving steel ridge beams, structural floor trimmers, and timber rafter reinforcements to safely distribute loads down to the existing foundations.

Scope

Roof & Floor Framing

Year

2025

Submission

Local Authority Sign-Off

Loft Structures Timber Framing Dormer Steelwork Load Assessments
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03 / 05

Pre-Purchase Structural Report

Surveying & Specific Defect Inspection

Conducted a comprehensive structural investigation on a Victorian terrace house showing severe signs of historic cracking along the rear elevation. Delivered a definitive engineer's report assessing structural integrity, ruling out active subsidence, and providing remedial underpinning recommendations for mortgage compliance.

Scope

Defect Investigation

Year

2026

Purpose

Mortgage & Peace of Mind

Structural Survey Crack Analysis Subsidence Review Remedial Advice
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04 / 05

Bespoke New Build Foundations

Substructure & Subsoil Design

Foundation design for a high-specification, 4-bedroom detached modern home built on low load-bearing clay soil. Formulated a cost-effective, custom engineered reinforced concrete raft foundation and ground beam system to safely counter potential soil heave and tree root risks.

Scope

Raft Foundation Layout

Year

2025

Standards

BS EN Eurocodes Compliance

Foundation Design Reinforced Concrete Soil Heave Strategy Site Investigation
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05 / 05

Retaining Wall Engineering

Civil & Geotechnical Structures

Engineered design for a 2.5-metre tall reinforced masonry retaining wall to enable a major residential driveway excavation on a steeply sloped property. Design calculations covered structural overturning checks, sliding resistance, lateral earth pressures, and comprehensive sub-surface drainage detailing.

Scope

Earth Retention Layouts

Year

2026

Focus

Safety & Slope Stability

Retaining Walls Earth Pressures Reinforced Masonry Drainage Detailing
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Engineering Safe, Practical, and Efficient Structures

Sterior Consulting Engineers Ltd is an independent structural engineering practice providing clear, fully compliant structural designs and assessments for homeowners, architects, and developers across the UK.

We pride ourselves on turning complex architectural visions into constructible, cost-effective reality. Whether you are knocking down an internal kitchen wall, planning a major home extension, embarking on a loft conversion, or dealing with structural defects like wall cracks or subsidence, our engineering solutions are optimized for straightforward site installation.

All design works and calculation packages are tailored specifically to meet UK Building Regulations (Part A - Structure) requirements, facilitating a seamless approval process with Local Authority Building Control (LABC) or Approved Private Inspectors.

100%

Building Control Pass Rate

250+

Calculations Delivered

Fast

Turnaround Guarantee

Our Engineering Expertise

Professional structural services tailored explicitly to UK residential and light commercial projects

01

Structural Calculations

Accurate, rapid calculation packages matching standard British specifications and Eurocodes for building alterations.

  • Steel RSJ & Lintel Sizing
  • Timber Rafter & Joist Specs
  • Masonry Bearings & Padstones
  • Column & Beam Connections
02

Extensions & Conversions

Comprehensive design coordination with architectural drawings to ensure complete structural compliance for alterations.

  • Single & Multi-Storey Extensions
  • Dormer Loft Conversions
  • Garage Conversion Planning
  • Internal Load-Bearing Wall Removal
03

Surveys & Geotechnical

Rigorous site inspections providing clear answers on structural stability, foundation performance, and landscape integrity.

  • Pre-Purchase Engineer Reports
  • Subsidence & Crack Investigations
  • Foundation Subsoil Assessments
  • Retaining Wall Engineering

What Our Clients Say

Trusted by domestic homeowners and building professionals alike

"

Sterior produced the calculations for our open-plan kitchen steelwork within a few days. The local building control officer approved them on the first pass without a single query. Outstanding service!

DH

David Harrison

Homeowner, Manchester

"

As an architect, I need an engineering firm that answers calls, offers cost-conscious design choices, and respects project timelines. Sterior is our go-to partner for all domestic projects.

MR

Mark Reynolds

Principal, Reynolds Architectural Design

"

We required a rapid structural survey after survey cracks threatened our house sale. Sterior visited the property next day and delivered a brilliant report that satisfied our buyer's lender.

EP

Eleanor Palmer

Vendor, Birmingham

Request a Quote or Consultation

Have an upcoming building project or structural concern? Get in touch with our engineers. Send over your architectural plans or description of work for a fixed-price quotation.

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Email Us Directly

info@sterior.co.uk