Mark Henderson
Senior Electrical Estimator & Compliance Specialist
👤 Professional Background & Experience
Mark Henderson has spent over two decades working across domestic, commercial, and light industrial electrical engineering projects throughout the United Kingdom. Beginning as an apprentice electrician in the North East, he progressed to Qualified Supervisor (QS) status, overseeing Part P compliance audits and electrical safety sign-offs for hundreds of residential rewires. For the past eight years, Mark has specialized in trade cost estimation, tender analysis, and consumer pricing transparency, ensuring TradeCostUK's price indices accurately reflect real-world material indexes, wholesale fluctuations, and fair labour rates.
📜 Verified Qualifications & British Standards
Articles & Benchmark Guides Audited by Mark Henderson
Every guide listed below has been independently inspected for technical calculation accuracy, Part P / Gas Safe statutory compliance, and 2026 pricing validity.
Electrician Day Rates UK 2026: Comprehensive Labour & Hourly Breakdown
Complete 2026 UK House Rewiring Cost Guide: 1 to 4 Bed Breakdown
UK Consumer Unit Replacement Cost 2026: Fuse Box Upgrades & Regulations
EICR Certificate Cost UK 2026: Landlord Electrical Safety Inspection Prices
TradeCostUK Editorial & E-E-A-T Independence Policy
Our authors and technical reviewers operate under strict editorial independence guidelines. Price benchmarks are calculated using anonymised market transactions and British Standards compliance matrices. Reviewers receive no commissions or commercial incentives from tradespeople to alter rate guidance.