Cutting your villa’s energy bill in 2026
Marc Oliver
Jun 2026 · 7 min read
Solar, insulation and the cheap wins most owners miss. Here’s the practical version for owners on the Costa del Sol — what to plan, what to ask, and what to budget.
What to plan for
Get the scope clear, line up a verified specialist, and agree the cost before work starts. The detail below keeps you in control.
What it’s likely to cost
Prices vary with access and finish, so insist on an itemised quote and compare at least three. A verified builder will explain the line items.
Plan in the shoulder season, hire verified, and pay against milestones — that’s 90% of a job going right.
Quick checklist
Define the scope in writing
Compare three verified quotes
Tie payments to milestones
Confirm permits and warranty
