The True Cost of Technical Debt: Why Ignoring It Gets Expensive
Technical debt accumulates when organisations choose quick solutions over sustainable ones. Like financial debt, it accrues interest. Developers spend 33% of their time dealing with technical debt rather than building new features.
Types of Technical Debt
- Code debt: Quick fixes, duplicated code, missing tests
- Architecture debt: Systems that don't scale or integrate well
- Infrastructure debt: Outdated platforms, missing automation
- Documentation debt: Undocumented systems and processes
The Compounding Cost
Technical debt slows delivery, increases defect rates, makes onboarding harder, and creates security vulnerabilities. Each year of neglect makes remediation more expensive. What costs £100K to fix today may cost £500K in three years.
Managing Technical Debt
Make debt visible by tracking it. Allocate a consistent percentage of development capacity (typically 20%) to debt reduction. Prioritise debt that blocks business objectives.
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