How much does it cost to install air bricks?

Surveyor flagged poor ventilation under our suspended floor and suggested a couple of extra air bricks. What's a reasonable price?

Asked by Pete on 12th Aug 2026
Expert Trade Answers
"Hi Pete to install 2 outside air bricks you would have to install 2 plastic vents on the inside for flow to go through to supply bricks vents etc cut out inside and outside to install vents your looking at 300 to£350 Pete hope this helps you"
Answered on 12th Aug 2026 - Member since Sep 2020 - report
"Roughly £35-£45 per brick installation due to breaking out and installing and possibly lifting any flooring ect"
Answered on 12th Aug 2026 - Member since Jun 2026 - report
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