Defect Diagnosis

Expert Defect Diagnosis & Building Investigations

Chartered Building Surveyors serving Guildford, London, and the South East. Identifying the root cause of building issues with actionable remedial advice.
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What is Defect Diagnosis?

KJB Surveying Ltd provides expert investigation into building failures, using technical expertise to diagnose issues and provide practical recommendations for repair. Our experienced surveyors meticulously analyze structural defects, cracking, dampness ingress, and material failures to deliver authoritative, highly actionable advice focused entirely on restoring structural health and preserving your property value.

The KJB Surveying Advantage

  • RICS Chartered Expertise — Certified, technical structural diagnostics.
  • Detailed Technical Reporting — Comprehensive reports complete with remediation steps.
  • Completely Independent Advice — Honest and transparent insights with no vendor bias.
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Common Defects We Investigate

Our building surveyors carry out rigorous structural and environmental testing to diagnose building failures, providing clear pathways for remediation.

1. Dampness & Condensation

Forensic profiling of rising, penetrating, and condensation dampness using thermal imaging and moisture tracking instruments.

2. Structural Cracking

Detailed assessment of structural fractures, lintel failures, thermal movement joints, and brickwork deterioration.

3. Subsidence & Movement

Analyzing foundations and drainage issues, subsoil movement, clay shrinkage, and historic stability anomalies.

4. Water Ingress

Investigating rainwater ingress points across flat roofs, defective parapets, deteriorated flashing, and sub-surface structures.

5. Material Deterioration

Diagnosing masonry spalling, timber decay (wet/dry rot), wall tie corrosion, and the physical carbonation breakdown of concrete elements.

Who we help

Expertise For Every Property Stakeholder

Whether you are protecting your personal home, managing a diverse portfolio, or securing a commercial investment, our professional defect reports provide the technical diagnosis and precise remedial specs you need.

Homeowners

Gain absolute clarity on structural issues or damp with expert diagnostic reports.

Landlords

Protect your assets and meet safety standards with professional defect investigations.

Property Investors

Identify critical defects and hidden costs before acquisition or during ownership.

Managing Agents

Outsource technical diagnostics to RICS surveyors for reliable remedial advice.
OUR SURVEYING WORKFLOW

A Technical & Structured Approach

We combine industry-leading technical analysis with rigorous on-site inspections to deliver RICS-compliant results you can depend on.

01

Initial Consultation

Discussing your specific property concerns, defining the exact scope of surveying, and planning the critical diagnostic route.
02

On-site Inspection

Physical on-site diagnostic tracing. We evaluate structural integrity, perform detailed moisture mapping, and capture high-res imagery.
03

Technical Analysis

Analyzing collected metrics, reviewing historical structural data, and identifying the underlying pathology of any discovered issues.
04

Report & Solutions

Delivering a comprehensive RICS-standard report detailing precise diagnostic conclusions, budget estimates, and remedial advice.

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Concerned about a building defect?

Contact KJB Surveying Ltd today for expert diagnosis and professional advice.