Making the UK greener, one house at a time
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Carmen Mata Castillo

Writer

Author's expertise

Expertise

  • Boilers
  • Properties
Author's experience

Experience

  • Writing for WhatCost since
    February 2025
  • 5+ articles written
  • Work featured across 2 sites

About Carmen

Carmen is a writer at WhatCost, committed to helping homeowners make sense of the numbers and understand what things really cost without confusion– whether it’s about boilers, heat pumps, or solar panels. With a background in both technical and financial research, Carmen is skilled at breaking down complex data into simple, actionable insights that help readers make smarter, money-saving choices.

With a solid foundation in communication and digital content, Carmen has a keen eye for long-term savings and the best value options. She ensures that every price is accurate, up-to-date, and genuinely useful.

Her writing style is straightforward and practical, highlighting that navigating costs doesn’t have to be stressful. Homeowners can trust that her articles are well-researched and focused on helping you save money. Beyond WhatCost, you'll find her featured articles on GreenMatch.

I strongly believe that saving money shouldn’t make you feel overwhelmed. That’s why, I take the time to break down information and make it easy for you, so you can make the right, smart, and confident decision.