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David Walsh
Trades & Construction Specialist — Yolist
David Walsh is a Gas Safe registered engineer with 18 years of experience in domestic and commercial plumbing and heating. He holds City & Guilds Level 3 in Plumbing, Gas Safe ACS accreditation, and has managed a team of 12 engineers across the East Midlands.
David writes Yolist's trades cost guide and certification content — covering Gas Safe requirements, NICEIC and NAPIT certification, CIS contractor tax, trade insurance costs and building regulation compliance for heating and plumbing work.